Merge branch 'main' into fix/firebase-config

.github/workflows/main.yaml

@@ -13,3 +13,4 @@ jobs:
       flutter_channel: stable
       flutter_version: 2.10.0
       coverage_excludes: "lib/gen/*.dart"
+      test_optimization: false

lib/app/view/app.dart

@@ -8,6 +8,7 @@ import 'package:leaderboard_repository/leaderboard_repository.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball/l10n/l10n.dart';
 import 'package:pinball/select_character/select_character.dart';
+import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_ui/pinball_ui.dart';
 
@@ -34,8 +35,11 @@ class App extends StatelessWidget {
         RepositoryProvider.value(value: _leaderboardRepository),
         RepositoryProvider.value(value: _pinballAudio),
       ],
-      child: BlocProvider(
-        create: (context) => CharacterThemeCubit(),
+      child: MultiBlocProvider(
+        providers: [
+          BlocProvider(create: (_) => CharacterThemeCubit()),
+          BlocProvider(create: (_) => StartGameBloc()),
+        ],
         child: MaterialApp(
           title: 'I/O Pinball',
           theme: PinballTheme.standard,

lib/game/behaviors/behaviors.dart

@@ -0,0 +1,2 @@
+export 'bumper_noisy_behavior.dart';
+export 'scoring_behavior.dart';

lib/game/behaviors/bumper_noisy_behavior.dart

@@ -0,0 +1,14 @@
+// ignore_for_file: public_member_api_docs
+
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball/game/pinball_game.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+class BumperNoisyBehavior extends ContactBehavior with HasGameRef<PinballGame> {
+  @override
+  void beginContact(Object other, Contact contact) {
+    super.beginContact(other, contact);
+    gameRef.audio.bumper();
+  }
+}

lib/game/behaviors/scoring_behavior.dart

@@ -0,0 +1,77 @@
+// ignore_for_file: avoid_renaming_method_parameters
+
+import 'package:flame/components.dart';
+import 'package:flame/effects.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball/game/game.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// {@template scoring_behavior}
+/// Adds [_points] to the score and shows a text effect.
+///
+/// The behavior removes itself after the duration.
+/// {@endtemplate}
+class ScoringBehavior extends Component with HasGameRef<PinballGame> {
+  /// {@macto scoring_behavior}
+  ScoringBehavior({
+    required Points points,
+    required Vector2 position,
+    double duration = 1,
+  })  : _points = points,
+        _position = position,
+        _effectController = EffectController(
+          duration: duration,
+        );
+
+  final Points _points;
+  final Vector2 _position;
+
+  final EffectController _effectController;
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    if (_effectController.completed) {
+      removeFromParent();
+    }
+  }
+
+  @override
+  Future<void> onLoad() async {
+    gameRef.read<GameBloc>().add(Scored(points: _points.value));
+    await gameRef.firstChild<ZCanvasComponent>()!.add(
+          ScoreComponent(
+            points: _points,
+            position: _position,
+            effectController: _effectController,
+          ),
+        );
+  }
+}
+
+/// {@template scoring_contact_behavior}
+/// Adds points to the score when the [Ball] contacts the [parent].
+/// {@endtemplate}
+class ScoringContactBehavior extends ContactBehavior
+    with HasGameRef<PinballGame> {
+  /// {@macro scoring_contact_behavior}
+  ScoringContactBehavior({
+    required Points points,
+  }) : _points = points;
+
+  final Points _points;
+
+  @override
+  void beginContact(Object other, Contact contact) {
+    super.beginContact(other, contact);
+    if (other is! Ball) return;
+
+    parent.add(
+      ScoringBehavior(
+        points: _points,
+        position: other.body.position,
+      ),
+    );
+  }
+}

lib/game/bloc/game_bloc.dart

@@ -17,12 +17,13 @@ class GameBloc extends Bloc<GameEvent, GameState> {
   }
 
   void _onRoundLost(RoundLost event, Emitter emit) {
-    final score = state.score * state.multiplier;
+    final score = state.totalScore + state.roundScore * state.multiplier;
     final roundsLeft = math.max(state.rounds - 1, 0);
 
     emit(
       state.copyWith(
-        score: score,
+        totalScore: score,
+        roundScore: 0,
         multiplier: 1,
         rounds: roundsLeft,
       ),
@@ -32,7 +33,7 @@ class GameBloc extends Bloc<GameEvent, GameState> {
   void _onScored(Scored event, Emitter emit) {
     if (!state.isGameOver) {
       emit(
-        state.copyWith(score: state.score + event.points),
+        state.copyWith(roundScore: state.roundScore + event.points),
       );
     }
   }

lib/game/bloc/game_state.dart

@@ -26,22 +26,32 @@ enum GameBonus {
 class GameState extends Equatable {
   /// {@macro game_state}
   const GameState({
-    required this.score,
+    required this.totalScore,
+    required this.roundScore,
     required this.multiplier,
     required this.rounds,
     required this.bonusHistory,
-  })  : assert(score >= 0, "Score can't be negative"),
+  })  : assert(totalScore >= 0, "TotalScore can't be negative"),
+        assert(roundScore >= 0, "Round score can't be negative"),
         assert(multiplier > 0, 'Multiplier must be greater than zero'),
         assert(rounds >= 0, "Number of rounds can't be negative");
 
   const GameState.initial()
-      : score = 0,
+      : totalScore = 0,
+        roundScore = 0,
         multiplier = 1,
         rounds = 3,
         bonusHistory = const [];
 
-  /// The current score of the game.
-  final int score;
+  /// The score for the current round of the game.
+  ///
+  /// Multipliers are only applied to the score for the current round once is
+  /// lost. Then the [roundScore] is added to the [totalScore] and reset to 0
+  /// for the next round.
+  final int roundScore;
+
+  /// The total score of the game.
+  final int totalScore;
 
   /// The current multiplier for the score.
   final int multiplier;
@@ -58,20 +68,25 @@ class GameState extends Equatable {
   /// Determines when the game is over.
   bool get isGameOver => rounds == 0;
 
+  /// The score displayed at the game.
+  int get displayScore => roundScore + totalScore;
+
   GameState copyWith({
-    int? score,
+    int? totalScore,
+    int? roundScore,
     int? multiplier,
     int? balls,
     int? rounds,
     List<GameBonus>? bonusHistory,
   }) {
     assert(
-      score == null || score >= this.score,
-      "Score can't be decreased",
+      totalScore == null || totalScore >= this.totalScore,
+      "Total score can't be decreased",
     );
 
     return GameState(
-      score: score ?? this.score,
+      totalScore: totalScore ?? this.totalScore,
+      roundScore: roundScore ?? this.roundScore,
       multiplier: multiplier ?? this.multiplier,
       rounds: rounds ?? this.rounds,
       bonusHistory: bonusHistory ?? this.bonusHistory,
@@ -80,7 +95,8 @@ class GameState extends Equatable {
 
   @override
   List<Object?> get props => [
-        score,
+        totalScore,
+        roundScore,
         multiplier,
         rounds,
         bonusHistory,

lib/game/components/android_acres/android_acres.dart

@@ -2,8 +2,8 @@
 
 import 'package:flame/components.dart';
 import 'package:flutter/material.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/components/android_acres/behaviors/behaviors.dart';
-import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 
 /// {@template android_acres}
@@ -20,22 +20,25 @@ class AndroidAcres extends Component {
             AndroidSpaceship(position: Vector2(-26.5, -28.5)),
             AndroidAnimatronic(
               children: [
-                ScoringBehavior(points: Points.twoHundredThousand),
+                ScoringContactBehavior(points: Points.twoHundredThousand),
               ],
             )..initialPosition = Vector2(-26, -28.25),
             AndroidBumper.a(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-25, 1.3),
             AndroidBumper.b(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-32.8, -9.2),
             AndroidBumper.cow(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-20.5, -13.8),
             AndroidSpaceshipBonusBehavior(),

lib/game/components/backbox/backbox.dart

@@ -0,0 +1,56 @@
+import 'dart:async';
+
+import 'package:flame/components.dart';
+import 'package:pinball/game/components/backbox/displays/displays.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// {@template backbox}
+/// The [Backbox] of the pinball machine.
+/// {@endtemplate}
+class Backbox extends PositionComponent with HasGameRef, ZIndex {
+  /// {@macro backbox}
+  Backbox()
+      : super(
+          position: Vector2(0, -87),
+          anchor: Anchor.bottomCenter,
+          children: [
+            _BackboxSpriteComponent(),
+          ],
+        ) {
+    zIndex = ZIndexes.backbox;
+  }
+
+  /// Puts [InitialsInputDisplay] on the [Backbox].
+  Future<void> initialsInput({
+    required int score,
+    required String characterIconPath,
+    InitialsOnSubmit? onSubmit,
+  }) async {
+    removeAll(children.where((child) => child is! _BackboxSpriteComponent));
+    await add(
+      InitialsInputDisplay(
+        score: score,
+        characterIconPath: characterIconPath,
+        onSubmit: onSubmit,
+      ),
+    );
+  }
+}
+
+class _BackboxSpriteComponent extends SpriteComponent with HasGameRef {
+  _BackboxSpriteComponent() : super(anchor: Anchor.bottomCenter);
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.backbox.marquee.keyName,
+      ),
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 20;
+  }
+}

lib/game/components/backbox/displays/displays.dart

@@ -0,0 +1 @@
+export 'initials_input_display.dart';

lib/game/components/backbox/displays/initials_input_display.dart

@@ -0,0 +1,387 @@
+import 'dart:async';
+import 'dart:math';
+
+import 'package:flame/components.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
+import 'package:pinball/game/game.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+import 'package:pinball_ui/pinball_ui.dart';
+
+/// Signature for the callback called when the used has
+/// submitted their initials on the [InitialsInputDisplay].
+typedef InitialsOnSubmit = void Function(String);
+
+final _bodyTextPaint = TextPaint(
+  style: const TextStyle(
+    fontSize: 3,
+    color: PinballColors.white,
+    fontFamily: PinballFonts.pixeloidSans,
+  ),
+);
+
+final _subtitleTextPaint = TextPaint(
+  style: const TextStyle(
+    fontSize: 1.8,
+    color: PinballColors.white,
+    fontFamily: PinballFonts.pixeloidSans,
+  ),
+);
+
+/// {@template initials_input_display}
+/// Display that handles the user input on the game over view.
+/// {@endtemplate}
+// TODO(allisonryan0002): add mobile input buttons.
+class InitialsInputDisplay extends Component with HasGameRef {
+  /// {@macro initials_input_display}
+  InitialsInputDisplay({
+    required int score,
+    required String characterIconPath,
+    InitialsOnSubmit? onSubmit,
+  })  : _onSubmit = onSubmit,
+        super(
+          children: [
+            _ScoreLabelTextComponent(),
+            _ScoreTextComponent(score.formatScore()),
+            _NameLabelTextComponent(),
+            _CharacterIconSpriteComponent(characterIconPath),
+            _DividerSpriteComponent(),
+            _InstructionsComponent(),
+          ],
+        );
+
+  final InitialsOnSubmit? _onSubmit;
+
+  @override
+  Future<void> onLoad() async {
+    for (var i = 0; i < 3; i++) {
+      await add(
+        InitialsLetterPrompt(
+          position: Vector2(
+            11.4 + (2.3 * i),
+            -20,
+          ),
+          hasFocus: i == 0,
+        ),
+      );
+    }
+
+    await add(
+      KeyboardInputController(
+        keyUp: {
+          LogicalKeyboardKey.arrowLeft: () => _movePrompt(true),
+          LogicalKeyboardKey.arrowRight: () => _movePrompt(false),
+          LogicalKeyboardKey.enter: _submit,
+        },
+      ),
+    );
+  }
+
+  /// Returns the current inputed initials
+  String get initials => children
+      .whereType<InitialsLetterPrompt>()
+      .map((prompt) => prompt.char)
+      .join();
+
+  bool _submit() {
+    _onSubmit?.call(initials);
+    return true;
+  }
+
+  bool _movePrompt(bool left) {
+    final prompts = children.whereType<InitialsLetterPrompt>().toList();
+
+    final current = prompts.firstWhere((prompt) => prompt.hasFocus)
+      ..hasFocus = false;
+    var index = prompts.indexOf(current) + (left ? -1 : 1);
+    index = min(max(0, index), prompts.length - 1);
+
+    prompts[index].hasFocus = true;
+
+    return false;
+  }
+}
+
+class _ScoreLabelTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _ScoreLabelTextComponent()
+      : super(
+          anchor: Anchor.centerLeft,
+          position: Vector2(-16.9, -24),
+          textRenderer: _bodyTextPaint.copyWith(
+            (style) => style.copyWith(
+              color: PinballColors.red,
+            ),
+          ),
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.score;
+  }
+}
+
+class _ScoreTextComponent extends TextComponent {
+  _ScoreTextComponent(String score)
+      : super(
+          text: score,
+          anchor: Anchor.centerLeft,
+          position: Vector2(-16.9, -20),
+          textRenderer: _bodyTextPaint,
+        );
+}
+
+class _NameLabelTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _NameLabelTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(11.4, -24),
+          textRenderer: _bodyTextPaint.copyWith(
+            (style) => style.copyWith(
+              color: PinballColors.red,
+            ),
+          ),
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.name;
+  }
+}
+
+class _CharacterIconSpriteComponent extends SpriteComponent with HasGameRef {
+  _CharacterIconSpriteComponent(String characterIconPath)
+      : _characterIconPath = characterIconPath,
+        super(
+          anchor: Anchor.center,
+          position: Vector2(8.4, -20),
+        );
+
+  final String _characterIconPath;
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = Sprite(gameRef.images.fromCache(_characterIconPath));
+    this.sprite = sprite;
+    size = sprite.originalSize / 20;
+  }
+}
+
+/// {@template initials_input_display}
+/// Display that handles the user input on the game over view.
+/// {@endtemplate}
+@visibleForTesting
+class InitialsLetterPrompt extends PositionComponent {
+  /// {@macro initials_input_display}
+  InitialsLetterPrompt({
+    required Vector2 position,
+    bool hasFocus = false,
+  })  : _hasFocus = hasFocus,
+        super(
+          position: position,
+        );
+
+  static const _alphabetCode = 65;
+  static const _alphabetLength = 25;
+  var _charIndex = 0;
+
+  bool _hasFocus;
+
+  late RectangleComponent _underscore;
+  late TextComponent _input;
+  late TimerComponent _underscoreBlinker;
+
+  @override
+  Future<void> onLoad() async {
+    _underscore = RectangleComponent(
+      size: Vector2(1.9, 0.4),
+      anchor: Anchor.center,
+      position: Vector2(-0.1, 1.8),
+    );
+
+    await add(_underscore);
+
+    _input = TextComponent(
+      text: 'A',
+      textRenderer: _bodyTextPaint,
+      anchor: Anchor.center,
+    );
+    await add(_input);
+
+    _underscoreBlinker = TimerComponent(
+      period: 0.6,
+      repeat: true,
+      autoStart: _hasFocus,
+      onTick: () {
+        _underscore.paint.color = (_underscore.paint.color == Colors.white)
+            ? Colors.transparent
+            : Colors.white;
+      },
+    );
+
+    await add(_underscoreBlinker);
+
+    await add(
+      KeyboardInputController(
+        keyUp: {
+          LogicalKeyboardKey.arrowUp: () => _cycle(true),
+          LogicalKeyboardKey.arrowDown: () => _cycle(false),
+        },
+      ),
+    );
+  }
+
+  /// Returns the current selected character
+  String get char => String.fromCharCode(_alphabetCode + _charIndex);
+
+  bool _cycle(bool up) {
+    if (_hasFocus) {
+      final newCharCode =
+          min(max(_charIndex + (up ? 1 : -1), 0), _alphabetLength);
+      _input.text = String.fromCharCode(_alphabetCode + newCharCode);
+      _charIndex = newCharCode;
+
+      return false;
+    }
+    return true;
+  }
+
+  /// Returns if this prompt has focus on it
+  bool get hasFocus => _hasFocus;
+
+  /// Updates this prompt focus
+  set hasFocus(bool hasFocus) {
+    if (hasFocus) {
+      _underscoreBlinker.timer.resume();
+    } else {
+      _underscoreBlinker.timer.pause();
+    }
+    _underscore.paint.color = Colors.white;
+    _hasFocus = hasFocus;
+  }
+}
+
+class _DividerSpriteComponent extends SpriteComponent with HasGameRef {
+  _DividerSpriteComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(0, -17),
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = Sprite(
+      gameRef.images.fromCache(Assets.images.backbox.displayDivider.keyName),
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 20;
+  }
+}
+
+class _InstructionsComponent extends PositionComponent with HasGameRef {
+  _InstructionsComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(0, -12.3),
+          children: [
+            _EnterInitialsTextComponent(),
+            _ArrowsTextComponent(),
+            _AndPressTextComponent(),
+            _EnterReturnTextComponent(),
+            _ToSubmitTextComponent(),
+          ],
+        );
+}
+
+class _EnterInitialsTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _EnterInitialsTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(0, -2.4),
+          textRenderer: _subtitleTextPaint,
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.enterInitials;
+  }
+}
+
+class _ArrowsTextComponent extends TextComponent with HasGameRef<PinballGame> {
+  _ArrowsTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(-13.2, 0),
+          textRenderer: _subtitleTextPaint.copyWith(
+            (style) => style.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.arrows;
+  }
+}
+
+class _AndPressTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _AndPressTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(-3.7, 0),
+          textRenderer: _subtitleTextPaint,
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.andPress;
+  }
+}
+
+class _EnterReturnTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _EnterReturnTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(10, 0),
+          textRenderer: _subtitleTextPaint.copyWith(
+            (style) => style.copyWith(
+              fontWeight: FontWeight.bold,
+            ),
+          ),
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.enterReturn;
+  }
+}
+
+class _ToSubmitTextComponent extends TextComponent
+    with HasGameRef<PinballGame> {
+  _ToSubmitTextComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(0, 2.4),
+          textRenderer: _subtitleTextPaint,
+        );
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    text = gameRef.l10n.toSubmit;
+  }
+}

lib/game/components/bottom_group.dart

@@ -1,4 +1,5 @@
 import 'package:flame/components.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
@@ -51,7 +52,8 @@ class _BottomGroupSide extends Component {
     final kicker = Kicker(
       side: _side,
       children: [
-        ScoringBehavior(points: Points.fiveThousand)..applyTo(['bouncy_edge']),
+        ScoringContactBehavior(points: Points.fiveThousand)
+          ..applyTo(['bouncy_edge']),
       ],
     )..initialPosition = Vector2(
         (22.64 * direction) + centerXAdjustment,

lib/game/components/camera_controller.dart

@@ -3,15 +3,15 @@ import 'package:flame/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 
-/// Adds helpers methods to Flame's [Camera]
+/// Adds helpers methods to Flame's [Camera].
 extension CameraX on Camera {
-  /// Instantly apply the point of focus to the [Camera]
+  /// Instantly apply the point of focus to the [Camera].
   void snapToFocus(FocusData data) {
     followVector2(data.position);
     zoom = data.zoom;
   }
 
-  /// Returns a [CameraZoom] that can be added to a [FlameGame]
+  /// Returns a [CameraZoom] that can be added to a [FlameGame].
   CameraZoom focusToCameraZoom(FocusData data) {
     final zoom = CameraZoom(value: data.zoom);
     zoom.completed.then((_) {
@@ -22,7 +22,7 @@ extension CameraX on Camera {
 }
 
 /// {@template focus_data}
-/// Model class that defines a focus point of the camera
+/// Model class that defines a focus point of the camera.
 /// {@endtemplate}
 class FocusData {
   /// {@template focus_data}
@@ -31,50 +31,63 @@ class FocusData {
     required this.position,
   });
 
-  /// The amount of zoom
+  /// The amount of zoom.
   final double zoom;
 
-  /// The position of the camera
+  /// The position of the camera.
   final Vector2 position;
 }
 
 /// {@template camera_controller}
-/// A [Component] that controls its game camera focus
+/// A [Component] that controls its game camera focus.
 /// {@endtemplate}
 class CameraController extends ComponentController<FlameGame> {
   /// {@macro camera_controller}
   CameraController(FlameGame component) : super(component) {
     final gameZoom = component.size.y / 16;
-    final backboardZoom = component.size.y / 18;
+    final waitingBackboxZoom = component.size.y / 18;
+    final gameOverBackboxZoom = component.size.y / 10;
 
     gameFocus = FocusData(
       zoom: gameZoom,
       position: Vector2(0, -7.8),
     );
-    backboardFocus = FocusData(
-      zoom: backboardZoom,
-      position: Vector2(0, -100.8),
+    waitingBackboxFocus = FocusData(
+      zoom: waitingBackboxZoom,
+      position: Vector2(0, -112),
+    );
+    gameOverBackboxFocus = FocusData(
+      zoom: gameOverBackboxZoom,
+      position: Vector2(0, -111),
     );
 
-    // Game starts with the camera focused on the panel
+    // Game starts with the camera focused on the [Backbox].
     component.camera
       ..speed = 100
-      ..snapToFocus(backboardFocus);
+      ..snapToFocus(waitingBackboxFocus);
   }
 
-  /// Holds the data for the game focus point
+  /// Holds the data for the game focus point.
   late final FocusData gameFocus;
 
-  /// Holds the data for the backboard focus point
-  late final FocusData backboardFocus;
+  /// Holds the data for the waiting backbox focus point.
+  late final FocusData waitingBackboxFocus;
+
+  /// Holds the data for the game over backbox focus point.
+  late final FocusData gameOverBackboxFocus;
 
-  /// Move the camera focus to the game board
+  /// Move the camera focus to the game board.
   void focusOnGame() {
     component.add(component.camera.focusToCameraZoom(gameFocus));
   }
 
-  /// Move the camera focus to the backboard
-  void focusOnBackboard() {
-    component.add(component.camera.focusToCameraZoom(backboardFocus));
+  /// Move the camera focus to the waiting backbox.
+  void focusOnWaitingBackbox() {
+    component.add(component.camera.focusToCameraZoom(waitingBackboxFocus));
+  }
+
+  /// Move the camera focus to the game over backbox.
+  void focusOnGameOverBackbox() {
+    component.add(component.camera.focusToCameraZoom(gameOverBackboxFocus));
   }
 }

lib/game/components/components.dart

@@ -1,4 +1,5 @@
 export 'android_acres/android_acres.dart';
+export 'backbox/backbox.dart';
 export 'bottom_group.dart';
 export 'camera_controller.dart';
 export 'controlled_ball.dart';
@@ -12,5 +13,4 @@ export 'google_word/google_word.dart';
 export 'launcher.dart';
 export 'multiballs/multiballs.dart';
 export 'multipliers/multipliers.dart';
-export 'scoring_behavior.dart';
 export 'sparky_scorch.dart';

lib/game/components/controlled_ball.dart

@@ -67,7 +67,9 @@ class BallController extends ComponentController<Ball>
       const Duration(milliseconds: 2583),
     );
     component.resume();
-    await component.boost(Vector2(40, 110));
+    await component.add(
+      BallTurboChargingBehavior(impulse: Vector2(40, 110)),
+    );
   }
 
   @override

lib/game/components/dino_desert/dino_desert.dart

@@ -1,6 +1,7 @@
 import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flutter/material.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/components/dino_desert/behaviors/behaviors.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
@@ -16,7 +17,7 @@ class DinoDesert extends Component {
           children: [
             ChromeDino(
               children: [
-                ScoringBehavior(points: Points.twoHundredThousand)
+                ScoringContactBehavior(points: Points.twoHundredThousand)
                   ..applyTo(['inside_mouth']),
               ],
             )..initialPosition = Vector2(12.6, -6.9),

lib/game/components/flutter_forest/flutter_forest.dart

@@ -2,8 +2,8 @@
 
 import 'package:flame/components.dart';
 import 'package:flutter/material.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
 import 'package:pinball/game/components/flutter_forest/behaviors/behaviors.dart';
-import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 
@@ -18,22 +18,26 @@ class FlutterForest extends Component with ZIndex {
           children: [
             Signpost(
               children: [
-                ScoringBehavior(points: Points.fiveThousand),
+                ScoringContactBehavior(points: Points.fiveThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(8.35, -58.3),
             DashNestBumper.main(
               children: [
-                ScoringBehavior(points: Points.twoHundredThousand),
+                ScoringContactBehavior(points: Points.twoHundredThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(18.55, -59.35),
             DashNestBumper.a(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(8.95, -51.95),
             DashNestBumper.b(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(22.3, -46.75),
             DashAnimatronic()..position = Vector2(20, -66),

lib/game/components/game_flow_controller.dart

@@ -1,7 +1,6 @@
 import 'package:flame/components.dart';
 import 'package:flame_bloc/flame_bloc.dart';
 import 'package:pinball/game/game.dart';
-import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 
 /// {@template game_flow_controller}
@@ -20,27 +19,26 @@ class GameFlowController extends ComponentController<PinballGame>
   @override
   void onNewState(GameState state) {
     if (state.isGameOver) {
-      gameOver();
+      _initialsInput();
     } else {
       start();
     }
   }
 
-  /// Puts the game on a game over state
-  void gameOver() {
+  /// Puts the game in the initials input state.
+  void _initialsInput() {
     // TODO(erickzanardo): implement score submission and "navigate" to the
     // next page
-    component.firstChild<Backboard>()?.gameOverMode(
-          score: state?.score ?? 0,
+    component.descendants().whereType<Backbox>().first.initialsInput(
+          score: state?.displayScore ?? 0,
           characterIconPath: component.characterTheme.leaderboardIcon.keyName,
         );
-    component.firstChild<CameraController>()?.focusOnBackboard();
+    component.firstChild<CameraController>()!.focusOnGameOverBackbox();
   }
 
-  /// Puts the game on a playing state
+  /// Puts the game in the playing state.
   void start() {
     component.audio.backgroundMusic();
-    component.firstChild<Backboard>()?.waitingMode();
     component.firstChild<CameraController>()?.focusOnGame();
     component.overlays.remove(PinballGame.playButtonOverlay);
   }

lib/game/components/google_word/google_word.dart

@@ -1,7 +1,7 @@
 import 'package:flame/components.dart';
 import 'package:flutter/material.dart';
+import 'package:pinball/game/behaviors/scoring_behavior.dart';
 import 'package:pinball/game/components/google_word/behaviors/behaviors.dart';
-import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 
@@ -16,27 +16,27 @@ class GoogleWord extends Component with ZIndex {
           children: [
             GoogleLetter(
               0,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(-13.1, 1.72),
             GoogleLetter(
               1,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(-8.33, -0.75),
             GoogleLetter(
               2,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(-2.88, -1.85),
             GoogleLetter(
               3,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(2.88, -1.85),
             GoogleLetter(
               4,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(8.33, -0.75),
             GoogleLetter(
               5,
-              children: [ScoringBehavior(points: Points.fiveThousand)],
+              children: [ScoringContactBehavior(points: Points.fiveThousand)],
             )..initialPosition = position + Vector2(13.1, 1.72),
             GoogleWordBonusBehavior(),
           ],

lib/game/components/launcher.dart

@@ -12,6 +12,7 @@ class Launcher extends Component {
       : super(
           children: [
             LaunchRamp(),
+            Flapper(),
             ControlledPlunger(compressionDistance: 9.2)
               ..initialPosition = Vector2(41.2, 43.7),
             RocketSpriteComponent()..position = Vector2(43, 62.3),

lib/game/components/scoring_behavior.dart

@@ -1,34 +0,0 @@
-// ignore_for_file: avoid_renaming_method_parameters
-
-import 'package:flame/components.dart';
-import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:pinball/game/game.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-/// {@template scoring_behavior}
-/// Adds points to the score when the ball contacts the [parent].
-/// {@endtemplate}
-class ScoringBehavior extends ContactBehavior with HasGameRef<PinballGame> {
-  /// {@macro scoring_behavior}
-  ScoringBehavior({
-    required Points points,
-  }) : _points = points;
-
-  final Points _points;
-
-  @override
-  void beginContact(Object other, Contact contact) {
-    super.beginContact(other, contact);
-    if (other is! Ball) return;
-
-    gameRef.read<GameBloc>().add(Scored(points: _points.value));
-    gameRef.audio.score();
-    gameRef.firstChild<ZCanvasComponent>()!.add(
-          ScoreComponent(
-            points: _points,
-            position: other.body.position,
-          ),
-        );
-  }
-}

lib/game/components/sparky_scorch.dart

@@ -2,7 +2,8 @@
 
 import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:pinball/game/game.dart';
+import 'package:pinball/game/behaviors/behaviors.dart';
+import 'package:pinball/game/components/components.dart';
 import 'package:pinball_components/pinball_components.dart';
 
 /// {@template sparky_scorch}
@@ -16,17 +17,20 @@ class SparkyScorch extends Component {
           children: [
             SparkyBumper.a(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-22.9, -41.65),
             SparkyBumper.b(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-21.25, -57.9),
             SparkyBumper.c(
               children: [
-                ScoringBehavior(points: Points.twentyThousand),
+                ScoringContactBehavior(points: Points.twentyThousand),
+                BumperNoisyBehavior(),
               ],
             )..initialPosition = Vector2(-3.3, -52.55),
             SparkyComputerSensor()..initialPosition = Vector2(-13, -49.9),
@@ -47,7 +51,7 @@ class SparkyComputerSensor extends BodyComponent
       : super(
           renderBody: false,
           children: [
-            ScoringBehavior(points: Points.twentyThousand),
+            ScoringContactBehavior(points: Points.twentyThousand),
           ],
         );
 

lib/game/game_assets.dart

@@ -99,8 +99,8 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.sparky.bumper.b.dimmed.keyName),
       images.load(components.Assets.images.sparky.bumper.c.lit.keyName),
       images.load(components.Assets.images.sparky.bumper.c.dimmed.keyName),
-      images.load(components.Assets.images.backboard.backboardScores.keyName),
-      images.load(components.Assets.images.backboard.backboardGameOver.keyName),
+      images.load(components.Assets.images.backbox.marquee.keyName),
+      images.load(components.Assets.images.backbox.displayDivider.keyName),
       images.load(components.Assets.images.googleWord.letter1.lit.keyName),
       images.load(components.Assets.images.googleWord.letter1.dimmed.keyName),
       images.load(components.Assets.images.googleWord.letter2.lit.keyName),
@@ -113,7 +113,6 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.googleWord.letter5.dimmed.keyName),
       images.load(components.Assets.images.googleWord.letter6.lit.keyName),
       images.load(components.Assets.images.googleWord.letter6.dimmed.keyName),
-      images.load(components.Assets.images.backboard.display.keyName),
       images.load(components.Assets.images.multiball.lit.keyName),
       images.load(components.Assets.images.multiball.dimmed.keyName),
       images.load(components.Assets.images.multiplier.x2.lit.keyName),
@@ -130,6 +129,9 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.score.twentyThousand.keyName),
       images.load(components.Assets.images.score.twoHundredThousand.keyName),
       images.load(components.Assets.images.score.oneMillion.keyName),
+      images.load(components.Assets.images.flapper.backSupport.keyName),
+      images.load(components.Assets.images.flapper.frontSupport.keyName),
+      images.load(components.Assets.images.flapper.flap.keyName),
       images.load(dashTheme.leaderboardIcon.keyName),
       images.load(sparkyTheme.leaderboardIcon.keyName),
       images.load(androidTheme.leaderboardIcon.keyName),

lib/game/pinball_game.dart

@@ -5,24 +5,25 @@ import 'package:flame/components.dart';
 import 'package:flame/game.dart';
 import 'package:flame/input.dart';
 import 'package:flame_bloc/flame_bloc.dart';
-import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:pinball/game/game.dart';
+import 'package:pinball/l10n/l10n.dart';
 import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:pinball_flame/pinball_flame.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 
-class PinballGame extends Forge2DGame
+class PinballGame extends PinballForge2DGame
     with
         FlameBloc,
         HasKeyboardHandlerComponents,
         Controls<_GameBallsController>,
-        TapDetector {
+        MultiTouchTapDetector {
   PinballGame({
     required this.characterTheme,
     required this.audio,
+    required this.l10n,
   }) : super(gravity: Vector2(0, 30)) {
     images.prefix = '';
     controller = _GameBallsController(this);
@@ -38,6 +39,8 @@ class PinballGame extends Forge2DGame
 
   final PinballAudio audio;
 
+  final AppLocalizations l10n;
+
   late final GameFlowController gameFlowController;
 
   @override
@@ -48,7 +51,7 @@ class PinballGame extends Forge2DGame
     final machine = [
       BoardBackgroundSpriteComponent(),
       Boundaries(),
-      Backboard.waiting(position: Vector2(0, -88)),
+      Backbox(),
     ];
     final decals = [
       GoogleWord(position: Vector2(-4.25, 1.8)),
@@ -78,10 +81,10 @@ class PinballGame extends Forge2DGame
     await super.onLoad();
   }
 
-  BoardSide? focusedBoardSide;
+  final focusedBoardSide = <int, BoardSide>{};
 
   @override
-  void onTapDown(TapDownInfo info) {
+  void onTapDown(int pointerId, TapDownInfo info) {
     if (info.raw.kind == PointerDeviceKind.touch) {
       final rocket = descendants().whereType<RocketSpriteComponent>().first;
       final bounds = rocket.topLeftPosition & rocket.size;
@@ -91,36 +94,37 @@ class PinballGame extends Forge2DGame
         descendants().whereType<Plunger>().single.pullFor(2);
       } else {
         final leftSide = info.eventPosition.widget.x < canvasSize.x / 2;
-        focusedBoardSide = leftSide ? BoardSide.left : BoardSide.right;
+        focusedBoardSide[pointerId] =
+            leftSide ? BoardSide.left : BoardSide.right;
         final flippers = descendants().whereType<Flipper>().where((flipper) {
-          return flipper.side == focusedBoardSide;
+          return flipper.side == focusedBoardSide[pointerId];
         });
         flippers.first.moveUp();
       }
     }
 
-    super.onTapDown(info);
+    super.onTapDown(pointerId, info);
   }
 
   @override
-  void onTapUp(TapUpInfo info) {
-    _moveFlippersDown();
-    super.onTapUp(info);
+  void onTapUp(int pointerId, TapUpInfo info) {
+    _moveFlippersDown(pointerId);
+    super.onTapUp(pointerId, info);
   }
 
   @override
-  void onTapCancel() {
-    _moveFlippersDown();
-    super.onTapCancel();
+  void onTapCancel(int pointerId) {
+    _moveFlippersDown(pointerId);
+    super.onTapCancel(pointerId);
   }
 
-  void _moveFlippersDown() {
-    if (focusedBoardSide != null) {
+  void _moveFlippersDown(int pointerId) {
+    if (focusedBoardSide[pointerId] != null) {
       final flippers = descendants().whereType<Flipper>().where((flipper) {
-        return flipper.side == focusedBoardSide;
+        return flipper.side == focusedBoardSide[pointerId];
       });
       flippers.first.moveDown();
-      focusedBoardSide = null;
+      focusedBoardSide.remove(pointerId);
     }
   }
 }
@@ -164,26 +168,33 @@ class _GameBallsController extends ComponentController<PinballGame>
   }
 }
 
-class DebugPinballGame extends PinballGame with FPSCounter {
+class DebugPinballGame extends PinballGame with FPSCounter, PanDetector {
   DebugPinballGame({
     required CharacterTheme characterTheme,
     required PinballAudio audio,
+    required AppLocalizations l10n,
   }) : super(
           characterTheme: characterTheme,
           audio: audio,
+          l10n: l10n,
         ) {
     controller = _GameBallsController(this);
   }
 
+  Vector2? lineStart;
+  Vector2? lineEnd;
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
+    await add(PreviewLine());
+
     await add(_DebugInformation());
   }
 
   @override
-  void onTapUp(TapUpInfo info) {
-    super.onTapUp(info);
+  void onTapUp(int pointerId, TapUpInfo info) {
+    super.onTapUp(pointerId, info);
 
     if (info.raw.kind == PointerDeviceKind.mouse) {
       final ball = ControlledBall.debug()
@@ -191,10 +202,57 @@ class DebugPinballGame extends PinballGame with FPSCounter {
       firstChild<ZCanvasComponent>()?.add(ball);
     }
   }
+
+  @override
+  void onPanStart(DragStartInfo info) {
+    lineStart = info.eventPosition.game;
+  }
+
+  @override
+  void onPanUpdate(DragUpdateInfo info) {
+    lineEnd = info.eventPosition.game;
+  }
+
+  @override
+  void onPanEnd(DragEndInfo info) {
+    if (lineEnd != null) {
+      final line = lineEnd! - lineStart!;
+      _turboChargeBall(line);
+      lineEnd = null;
+      lineStart = null;
+    }
+  }
+
+  void _turboChargeBall(Vector2 line) {
+    final ball = ControlledBall.debug()..initialPosition = lineStart!;
+    final impulse = line * -1 * 10;
+    ball.add(BallTurboChargingBehavior(impulse: impulse));
+    firstChild<ZCanvasComponent>()?.add(ball);
+  }
 }
 
-// TODO(wolfenrain): investigate this CI failure.
 // coverage:ignore-start
+class PreviewLine extends PositionComponent with HasGameRef<DebugPinballGame> {
+  static final _previewLinePaint = Paint()
+    ..color = Colors.pink
+    ..strokeWidth = 0.4
+    ..style = PaintingStyle.stroke;
+
+  @override
+  void render(Canvas canvas) {
+    super.render(canvas);
+
+    if (gameRef.lineEnd != null) {
+      canvas.drawLine(
+        gameRef.lineStart!.toOffset(),
+        gameRef.lineEnd!.toOffset(),
+        _previewLinePaint,
+      );
+    }
+  }
+}
+
+// TODO(wolfenrain): investigate this CI failure.
 class _DebugInformation extends Component with HasGameRef<DebugPinballGame> {
   @override
   PositionType get positionType => PositionType.widget;

lib/game/view/pinball_game_page.dart

@@ -6,6 +6,7 @@ import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:pinball/assets_manager/assets_manager.dart';
 import 'package:pinball/game/game.dart';
+import 'package:pinball/l10n/l10n.dart';
 import 'package:pinball/select_character/select_character.dart';
 import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_audio/pinball_audio.dart';
@@ -39,8 +40,16 @@ class PinballGamePage extends StatelessWidget {
     final pinballAudio = context.read<PinballAudio>();
 
     final game = isDebugMode
-        ? DebugPinballGame(characterTheme: characterTheme, audio: audio)
-        : PinballGame(characterTheme: characterTheme, audio: audio);
+        ? DebugPinballGame(
+            characterTheme: characterTheme,
+            audio: audio,
+            l10n: context.l10n,
+          )
+        : PinballGame(
+            characterTheme: characterTheme,
+            audio: audio,
+            l10n: context.l10n,
+          );
 
     final loadables = [
       ...game.preLoadAssets(),
@@ -51,7 +60,6 @@ class PinballGamePage extends StatelessWidget {
 
     return MultiBlocProvider(
       providers: [
-        BlocProvider(create: (_) => StartGameBloc(game: game)),
         BlocProvider(create: (_) => GameBloc()),
         BlocProvider(create: (_) => AssetsManagerCubit(loadables)..load()),
       ],
@@ -96,36 +104,43 @@ class PinballGameLoadedView extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
+    final isPlaying = context.select(
+      (StartGameBloc bloc) => bloc.state.status == StartGameStatus.play,
+    );
     final gameWidgetWidth = MediaQuery.of(context).size.height * 9 / 16;
     final screenWidth = MediaQuery.of(context).size.width;
     final leftMargin = (screenWidth / 2) - (gameWidgetWidth / 1.8);
 
-    return Stack(
-      children: [
-        Positioned.fill(
-          child: GameWidget<PinballGame>(
-            game: game,
-            initialActiveOverlays: const [PinballGame.playButtonOverlay],
-            overlayBuilderMap: {
-              PinballGame.playButtonOverlay: (context, game) {
-                return Positioned(
-                  bottom: 20,
-                  right: 0,
-                  left: 0,
-                  child: PlayButtonOverlay(game: game),
-                );
+    return StartGameListener(
+      game: game,
+      child: Stack(
+        children: [
+          Positioned.fill(
+            child: GameWidget<PinballGame>(
+              game: game,
+              initialActiveOverlays: const [PinballGame.playButtonOverlay],
+              overlayBuilderMap: {
+                PinballGame.playButtonOverlay: (context, game) {
+                  return const Positioned(
+                    bottom: 20,
+                    right: 0,
+                    left: 0,
+                    child: PlayButtonOverlay(),
+                  );
+                },
               },
-            },
+            ),
           ),
-        ),
-        // TODO(arturplaczek): add Visibility to GameHud based on StartGameBloc
-        // status
-        Positioned(
-          top: 16,
-          left: leftMargin,
-          child: const GameHud(),
-        ),
-      ],
+          Positioned(
+            top: 16,
+            left: leftMargin,
+            child: Visibility(
+              visible: isPlaying,
+              child: const GameHud(),
+            ),
+          ),
+        ],
+      ),
     );
   }
 }

lib/game/view/widgets/game_hud.dart

@@ -7,8 +7,8 @@ import 'package:pinball_ui/pinball_ui.dart';
 /// {@template game_hud}
 /// Overlay on the [PinballGame].
 ///
-/// Displays the current [GameState.score], [GameState.rounds] and animates when
-/// the player gets a [GameBonus].
+/// Displays the current [GameState.displayScore], [GameState.rounds] and
+/// animates when the player gets a [GameBonus].
 /// {@endtemplate}
 class GameHud extends StatefulWidget {
   /// {@macro game_hud}

lib/game/view/widgets/play_button_overlay.dart

@@ -1,7 +1,7 @@
 import 'package:flutter/material.dart';
-import 'package:pinball/game/pinball_game.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:pinball/l10n/l10n.dart';
-import 'package:pinball/select_character/select_character.dart';
+import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_ui/pinball_ui.dart';
 
 /// {@template play_button_overlay}
@@ -9,13 +9,7 @@ import 'package:pinball_ui/pinball_ui.dart';
 /// {@endtemplate}
 class PlayButtonOverlay extends StatelessWidget {
   /// {@macro play_button_overlay}
-  const PlayButtonOverlay({
-    Key? key,
-    required PinballGame game,
-  })  : _game = game,
-        super(key: key);
-
-  final PinballGame _game;
+  const PlayButtonOverlay({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -23,9 +17,8 @@ class PlayButtonOverlay extends StatelessWidget {
 
     return PinballButton(
       text: l10n.play,
-      onTap: () async {
-        _game.gameFlowController.start();
-        await showCharacterSelectionDialog(context);
+      onTap: () {
+        context.read<StartGameBloc>().add(const PlayTapped());
       },
     );
   }

lib/game/view/widgets/score_view.dart

@@ -69,7 +69,7 @@ class _ScoreText extends StatelessWidget {
 
   @override
   Widget build(BuildContext context) {
-    final score = context.select((GameBloc bloc) => bloc.state.score);
+    final score = context.select((GameBloc bloc) => bloc.state.displayScore);
 
     return Text(
       score.formatScore(),

lib/how_to_play/widgets/how_to_play_dialog.dart

@@ -3,10 +3,8 @@
 import 'dart:async';
 
 import 'package:flutter/material.dart';
-import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:pinball/gen/gen.dart';
 import 'package:pinball/l10n/l10n.dart';
-import 'package:pinball_audio/pinball_audio.dart';
 import 'package:pinball_ui/pinball_ui.dart';
 import 'package:platform_helper/platform_helper.dart';
 
@@ -51,24 +49,16 @@ extension on Control {
   }
 }
 
-Future<void> showHowToPlayDialog(BuildContext context) {
-  final audio = context.read<PinballAudio>();
-  return showDialog<void>(
-    context: context,
-    builder: (_) => HowToPlayDialog(),
-  ).then((_) {
-    audio.ioPinballVoiceOver();
-  });
-}
-
 class HowToPlayDialog extends StatefulWidget {
   HowToPlayDialog({
     Key? key,
+    required this.onDismissCallback,
     @visibleForTesting PlatformHelper? platformHelper,
   })  : platformHelper = platformHelper ?? PlatformHelper(),
         super(key: key);
 
   final PlatformHelper platformHelper;
+  final VoidCallback onDismissCallback;
 
   @override
   State<HowToPlayDialog> createState() => _HowToPlayDialogState();
@@ -82,6 +72,7 @@ class _HowToPlayDialogState extends State<HowToPlayDialog> {
     closeTimer = Timer(const Duration(seconds: 3), () {
       if (mounted) {
         Navigator.of(context).pop();
+        widget.onDismissCallback.call();
       }
     });
   }
@@ -96,10 +87,17 @@ class _HowToPlayDialogState extends State<HowToPlayDialog> {
   Widget build(BuildContext context) {
     final isMobile = widget.platformHelper.isMobile;
     final l10n = context.l10n;
-    return PinballDialog(
-      title: l10n.howToPlay,
-      subtitle: l10n.tipsForFlips,
-      child: isMobile ? const _MobileBody() : const _DesktopBody(),
+
+    return WillPopScope(
+      onWillPop: () {
+        widget.onDismissCallback.call();
+        return Future.value(true);
+      },
+      child: PinballDialog(
+        title: l10n.howToPlay,
+        subtitle: l10n.tipsForFlips,
+        child: isMobile ? const _MobileBody() : const _DesktopBody(),
+      ),
     );
   }
 }

lib/l10n/arb/app_en.arb

@@ -64,49 +64,45 @@
   "@gameOver": {
     "description": "Text displayed on the ending dialog when game finishes"
   },
-  "leaderboard": "Leaderboard",
-  "@leaderboard": {
-    "description": "Text displayed on the ending dialog leaderboard button"
+  "rounds": "Ball Ct:",
+  "@rounds": {
+    "description": "Text displayed on the scoreboard widget to indicate rounds left"
   },
-  "rank": "Rank",
-  "@rank": {
-    "description": "Text displayed on the leaderboard page header rank column"
+  "topPlayers": "Top Players",
+  "@topPlayers": {
+    "description": "Title text displayed on leaderboard screen"
   },
-  "character": "Character",
-  "@character": {
-    "description": "Text displayed on the leaderboard page header character column"
+  "rank": "rank",
+  "@rank": {
+    "description": "Label text displayed above player's rank"
   },
-  "username": "Username",
-  "@username": {
-    "description": "Text displayed on the leaderboard page header userName column"
+  "name": "name",
+  "@name": {
+    "description": "Label text displayed above player's initials"
   },
-  "score": "Score",
+  "score": "score",
   "@score": {
-    "description": "Text displayed on the leaderboard page header score column"
-  },
-  "retry": "Retry",
-  "@retry": {
-    "description": "Text displayed on the retry button leaders board page"
+    "description": "Label text displayed above player's score"
   },
-  "addUser": "Add User",
-  "@addUser": {
-    "description": "Text displayed on the add user button at ending dialog"
+  "enterInitials": "Enter your initials using the",
+  "@enterInitials": {
+    "description": "Informational text displayed on initials input screen"
   },
-  "error": "Error",
-  "@error": {
-    "description": "Text displayed on the ending dialog when there is any error on sending user"
+  "arrows": "arrows",
+  "@arrows": {
+    "description": "Text displayed on initials input screen indicating arrow keys"
   },
-  "yourScore": "Your score is",
-  "@yourScore": {
-    "description": "Text displayed on the ending dialog when game finishes to show the final score"
+  "andPress": "and press",
+  "@andPress": {
+    "description": "Connecting text displayed on initials input screen informational text span"
   },
-  "enterInitials": "Enter your initials",
-  "@enterInitials": {
-    "description": "Text displayed on the ending dialog when game finishes to ask the user for his initials"
+  "enterReturn": "enter/return",
+  "@enterReturn": {
+    "description": "Text displayed on initials input screen indicating return key"
   },
-  "rounds": "Ball Ct:",
-  "@rounds": {
-    "description": "Text displayed on the scoreboard widget to indicate rounds left"
+  "toSubmit": "to submit",
+  "@toSubmit": {
+    "description": "Ending text displayed on initials input screen informational text span"
   },
   "footerMadeWithText": "Made with ",
   "@footerMadeWithText": {

lib/select_character/view/character_selection_page.dart

@@ -1,20 +1,11 @@
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:pinball/how_to_play/how_to_play.dart';
 import 'package:pinball/l10n/l10n.dart';
 import 'package:pinball/select_character/select_character.dart';
+import 'package:pinball/start_game/start_game.dart';
 import 'package:pinball_theme/pinball_theme.dart';
 import 'package:pinball_ui/pinball_ui.dart';
 
-/// Inflates [CharacterSelectionDialog] using [showDialog].
-Future<void> showCharacterSelectionDialog(BuildContext context) {
-  return showDialog<void>(
-    context: context,
-    barrierDismissible: false,
-    builder: (_) => const CharacterSelectionDialog(),
-  );
-}
-
 /// {@template character_selection_dialog}
 /// Dialog used to select the playing character of the game.
 /// {@endtemplate character_selection_dialog}
@@ -59,7 +50,7 @@ class _SelectCharacterButton extends StatelessWidget {
     return PinballButton(
       onTap: () async {
         Navigator.of(context).pop();
-        await showHowToPlayDialog(context);
+        context.read<StartGameBloc>().add(const CharacterSelected());
       },
       text: l10n.select,
     );

lib/start_game/bloc/start_game_bloc.dart

@@ -1,6 +1,5 @@
 import 'package:bloc/bloc.dart';
 import 'package:equatable/equatable.dart';
-import 'package:pinball/game/game.dart';
 
 part 'start_game_event.dart';
 part 'start_game_state.dart';
@@ -10,23 +9,16 @@ part 'start_game_state.dart';
 /// {@endtemplate}
 class StartGameBloc extends Bloc<StartGameEvent, StartGameState> {
   /// {@macro start_game_bloc}
-  StartGameBloc({
-    required PinballGame game,
-  })  : _game = game,
-        super(const StartGameState.initial()) {
+  StartGameBloc() : super(const StartGameState.initial()) {
     on<PlayTapped>(_onPlayTapped);
     on<CharacterSelected>(_onCharacterSelected);
     on<HowToPlayFinished>(_onHowToPlayFinished);
   }
 
-  final PinballGame _game;
-
   void _onPlayTapped(
     PlayTapped event,
     Emitter<StartGameState> emit,
   ) {
-    _game.gameFlowController.start();
-
     emit(
       state.copyWith(
         status: StartGameStatus.selectCharacter,

lib/start_game/start_game.dart

@@ -1 +1,2 @@
 export 'bloc/start_game_bloc.dart';
+export 'widgets/start_game_listener.dart';

lib/start_game/widgets/start_game_listener.dart

@@ -0,0 +1,95 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
+import 'package:pinball/game/game.dart';
+import 'package:pinball/how_to_play/how_to_play.dart';
+import 'package:pinball/select_character/select_character.dart';
+import 'package:pinball/start_game/start_game.dart';
+import 'package:pinball_audio/pinball_audio.dart';
+import 'package:pinball_ui/pinball_ui.dart';
+
+/// {@template start_game_listener}
+/// Listener that manages the display of dialogs for [StartGameStatus].
+///
+/// It's responsible for starting the game after pressing play button
+/// and playing a sound after the 'how to play' dialog.
+/// {@endtemplate}
+class StartGameListener extends StatelessWidget {
+  /// {@macro start_game_listener}
+  const StartGameListener({
+    Key? key,
+    required Widget child,
+    required PinballGame game,
+  })  : _child = child,
+        _game = game,
+        super(key: key);
+
+  final Widget _child;
+  final PinballGame _game;
+
+  @override
+  Widget build(BuildContext context) {
+    return BlocListener<StartGameBloc, StartGameState>(
+      listener: (context, state) {
+        switch (state.status) {
+          case StartGameStatus.initial:
+            break;
+          case StartGameStatus.selectCharacter:
+            _onSelectCharacter(context);
+            _game.gameFlowController.start();
+            break;
+          case StartGameStatus.howToPlay:
+            _onHowToPlay(context);
+            break;
+          case StartGameStatus.play:
+            break;
+        }
+      },
+      child: _child,
+    );
+  }
+
+  void _onSelectCharacter(BuildContext context) {
+    _showPinballDialog(
+      context: context,
+      child: const CharacterSelectionDialog(),
+      barrierDismissible: false,
+    );
+  }
+
+  void _onHowToPlay(BuildContext context) {
+    final audio = context.read<PinballAudio>();
+
+    _showPinballDialog(
+      context: context,
+      child: HowToPlayDialog(
+        onDismissCallback: () {
+          context.read<StartGameBloc>().add(const HowToPlayFinished());
+          audio.ioPinballVoiceOver();
+        },
+      ),
+    );
+  }
+
+  void _showPinballDialog({
+    required BuildContext context,
+    required Widget child,
+    bool barrierDismissible = true,
+  }) {
+    final gameWidgetWidth = MediaQuery.of(context).size.height * 9 / 16;
+
+    showDialog<void>(
+      context: context,
+      barrierColor: PinballColors.transparent,
+      barrierDismissible: barrierDismissible,
+      builder: (_) {
+        return Center(
+          child: SizedBox(
+            height: gameWidgetWidth * 0.87,
+            width: gameWidgetWidth,
+            child: child,
+          ),
+        );
+      },
+    );
+  }
+}

packages/pinball_audio/lib/gen/assets.gen.dart

@@ -14,9 +14,10 @@ class $AssetsMusicGen {
 class $AssetsSfxGen {
   const $AssetsSfxGen();
 
+  String get bumperA => 'assets/sfx/bumper_a.mp3';
+  String get bumperB => 'assets/sfx/bumper_b.mp3';
   String get google => 'assets/sfx/google.mp3';
   String get ioPinballVoiceOver => 'assets/sfx/io_pinball_voice_over.mp3';
-  String get plim => 'assets/sfx/plim.mp3';
 }
 
 class Assets {

packages/pinball_audio/lib/src/pinball_audio.dart

@@ -1,3 +1,5 @@
+import 'dart:math';
+
 import 'package:audioplayers/audioplayers.dart';
 import 'package:flame_audio/audio_pool.dart';
 import 'package:flame_audio/flame_audio.dart';
@@ -40,6 +42,7 @@ class PinballAudio {
     LoopSingleAudio? loopSingleAudio,
     PreCacheSingleAudio? preCacheSingleAudio,
     ConfigureAudioCache? configureAudioCache,
+    Random? seed,
   })  : _createAudioPool = createAudioPool ?? AudioPool.create,
         _playSingleAudio = playSingleAudio ?? FlameAudio.audioCache.play,
         _loopSingleAudio = loopSingleAudio ?? FlameAudio.audioCache.loop,
@@ -48,7 +51,8 @@ class PinballAudio {
         _configureAudioCache = configureAudioCache ??
             ((AudioCache a) {
               a.prefix = '';
-            });
+            }),
+        _seed = seed ?? Random();
 
   final CreateAudioPool _createAudioPool;
 
@@ -60,14 +64,24 @@ class PinballAudio {
 
   final ConfigureAudioCache _configureAudioCache;
 
-  late AudioPool _scorePool;
+  final Random _seed;
+
+  late AudioPool _bumperAPool;
+
+  late AudioPool _bumperBPool;
 
   /// Loads the sounds effects into the memory
   Future<void> load() async {
     _configureAudioCache(FlameAudio.audioCache);
 
-    _scorePool = await _createAudioPool(
-      _prefixFile(Assets.sfx.plim),
+    _bumperAPool = await _createAudioPool(
+      _prefixFile(Assets.sfx.bumperA),
+      maxPlayers: 4,
+      prefix: '',
+    );
+
+    _bumperBPool = await _createAudioPool(
+      _prefixFile(Assets.sfx.bumperB),
       maxPlayers: 4,
       prefix: '',
     );
@@ -79,9 +93,9 @@ class PinballAudio {
     ]);
   }
 
-  /// Plays the basic score sound
-  void score() {
-    _scorePool.start();
+  /// Plays a random bumper sfx.
+  void bumper() {
+    (_seed.nextBool() ? _bumperAPool : _bumperBPool).start(volume: 0.6);
   }
 
   /// Plays the google word bonus

packages/pinball_audio/test/src/pinball_audio_test.dart

@@ -1,4 +1,6 @@
 // ignore_for_file: prefer_const_constructors, one_member_abstracts
+import 'dart:math';
+
 import 'package:audioplayers/audioplayers.dart';
 import 'package:flame_audio/audio_pool.dart';
 import 'package:flame_audio/flame_audio.dart';
@@ -39,6 +41,8 @@ abstract class _PreCacheSingleAudio {
 
 class _MockPreCacheSingleAudio extends Mock implements _PreCacheSingleAudio {}
 
+class _MockRandom extends Mock implements Random {}
+
 void main() {
   group('PinballAudio', () {
     late _MockCreateAudioPool createAudioPool;
@@ -46,6 +50,7 @@ void main() {
     late _MockPlaySingleAudio playSingleAudio;
     late _MockLoopSingleAudio loopSingleAudio;
     late _PreCacheSingleAudio preCacheSingleAudio;
+    late Random seed;
     late PinballAudio audio;
 
     setUpAll(() {
@@ -74,12 +79,15 @@ void main() {
       preCacheSingleAudio = _MockPreCacheSingleAudio();
       when(() => preCacheSingleAudio.onCall(any())).thenAnswer((_) async {});
 
+      seed = _MockRandom();
+
       audio = PinballAudio(
         configureAudioCache: configureAudioCache.onCall,
         createAudioPool: createAudioPool.onCall,
         playSingleAudio: playSingleAudio.onCall,
         loopSingleAudio: loopSingleAudio.onCall,
         preCacheSingleAudio: preCacheSingleAudio.onCall,
+        seed: seed,
       );
     });
 
@@ -88,12 +96,20 @@ void main() {
     });
 
     group('load', () {
-      test('creates the score pool', () async {
+      test('creates the bumpers pools', () async {
         await audio.load();
 
         verify(
           () => createAudioPool.onCall(
-            'packages/pinball_audio/${Assets.sfx.plim}',
+            'packages/pinball_audio/${Assets.sfx.bumperA}',
+            maxPlayers: 4,
+            prefix: '',
+          ),
+        ).called(1);
+
+        verify(
+          () => createAudioPool.onCall(
+            'packages/pinball_audio/${Assets.sfx.bumperB}',
             maxPlayers: 4,
             prefix: '',
           ),
@@ -137,22 +153,52 @@ void main() {
       });
     });
 
-    group('score', () {
-      test('plays the score sound pool', () async {
-        final audioPool = _MockAudioPool();
-        when(audioPool.start).thenAnswer((_) async => () {});
+    group('bumper', () {
+      late AudioPool bumperAPool;
+      late AudioPool bumperBPool;
+
+      setUp(() {
+        bumperAPool = _MockAudioPool();
+        when(() => bumperAPool.start(volume: any(named: 'volume')))
+            .thenAnswer((_) async => () {});
         when(
           () => createAudioPool.onCall(
-            any(),
+            'packages/pinball_audio/${Assets.sfx.bumperA}',
             maxPlayers: any(named: 'maxPlayers'),
             prefix: any(named: 'prefix'),
           ),
-        ).thenAnswer((_) async => audioPool);
+        ).thenAnswer((_) async => bumperAPool);
 
-        await audio.load();
-        audio.score();
+        bumperBPool = _MockAudioPool();
+        when(() => bumperBPool.start(volume: any(named: 'volume')))
+            .thenAnswer((_) async => () {});
+        when(
+          () => createAudioPool.onCall(
+            'packages/pinball_audio/${Assets.sfx.bumperB}',
+            maxPlayers: any(named: 'maxPlayers'),
+            prefix: any(named: 'prefix'),
+          ),
+        ).thenAnswer((_) async => bumperBPool);
+      });
+
+      group('when seed is true', () {
+        test('plays the bumper A sound pool', () async {
+          when(seed.nextBool).thenReturn(true);
+          await audio.load();
+          audio.bumper();
+
+          verify(() => bumperAPool.start(volume: 0.6)).called(1);
+        });
+      });
+
+      group('when seed is false', () {
+        test('plays the bumper B sound pool', () async {
+          when(seed.nextBool).thenReturn(false);
+          await audio.load();
+          audio.bumper();
 
-        verify(audioPool.start).called(1);
+          verify(() => bumperBPool.start(volume: 0.6)).called(1);
+        });
       });
     });
 

packages/pinball_components/lib/gen/assets.gen.dart

@@ -11,7 +11,7 @@ class $AssetsImagesGen {
   const $AssetsImagesGen();
 
   $AssetsImagesAndroidGen get android => const $AssetsImagesAndroidGen();
-  $AssetsImagesBackboardGen get backboard => const $AssetsImagesBackboardGen();
+  $AssetsImagesBackboxGen get backbox => const $AssetsImagesBackboxGen();
   $AssetsImagesBallGen get ball => const $AssetsImagesBallGen();
   $AssetsImagesBaseboardGen get baseboard => const $AssetsImagesBaseboardGen();
 
@@ -22,6 +22,7 @@ class $AssetsImagesGen {
   $AssetsImagesBoundaryGen get boundary => const $AssetsImagesBoundaryGen();
   $AssetsImagesDashGen get dash => const $AssetsImagesDashGen();
   $AssetsImagesDinoGen get dino => const $AssetsImagesDinoGen();
+  $AssetsImagesFlapperGen get flapper => const $AssetsImagesFlapperGen();
   $AssetsImagesFlipperGen get flipper => const $AssetsImagesFlipperGen();
   $AssetsImagesGoogleWordGen get googleWord =>
       const $AssetsImagesGoogleWordGen();
@@ -49,20 +50,16 @@ class $AssetsImagesAndroidGen {
       const $AssetsImagesAndroidSpaceshipGen();
 }
 
-class $AssetsImagesBackboardGen {
-  const $AssetsImagesBackboardGen();
+class $AssetsImagesBackboxGen {
+  const $AssetsImagesBackboxGen();
 
-  /// File path: assets/images/backboard/backboard_game_over.png
-  AssetGenImage get backboardGameOver =>
-      const AssetGenImage('assets/images/backboard/backboard_game_over.png');
+  /// File path: assets/images/backbox/display-divider.png
+  AssetGenImage get displayDivider =>
+      const AssetGenImage('assets/images/backbox/display-divider.png');
 
-  /// File path: assets/images/backboard/backboard_scores.png
-  AssetGenImage get backboardScores =>
-      const AssetGenImage('assets/images/backboard/backboard_scores.png');
-
-  /// File path: assets/images/backboard/display.png
-  AssetGenImage get display =>
-      const AssetGenImage('assets/images/backboard/display.png');
+  /// File path: assets/images/backbox/marquee.png
+  AssetGenImage get marquee =>
+      const AssetGenImage('assets/images/backbox/marquee.png');
 }
 
 class $AssetsImagesBallGen {
@@ -133,6 +130,22 @@ class $AssetsImagesDinoGen {
       const AssetGenImage('assets/images/dino/top-wall.png');
 }
 
+class $AssetsImagesFlapperGen {
+  const $AssetsImagesFlapperGen();
+
+  /// File path: assets/images/flapper/back-support.png
+  AssetGenImage get backSupport =>
+      const AssetGenImage('assets/images/flapper/back-support.png');
+
+  /// File path: assets/images/flapper/flap.png
+  AssetGenImage get flap =>
+      const AssetGenImage('assets/images/flapper/flap.png');
+
+  /// File path: assets/images/flapper/front-support.png
+  AssetGenImage get frontSupport =>
+      const AssetGenImage('assets/images/flapper/front-support.png');
+}
+
 class $AssetsImagesFlipperGen {
   const $AssetsImagesFlipperGen();
 

packages/pinball_components/lib/src/components/android_bumper/android_bumper.dart

@@ -78,11 +78,11 @@ class AndroidBumper extends BodyComponent with InitialPosition, ZIndex {
   AndroidBumper.cow({
     Iterable<Component>? children,
   }) : this._(
-          majorRadius: 3.4,
-          minorRadius: 2.9,
+          majorRadius: 3.45,
+          minorRadius: 3.11,
           litAssetPath: Assets.images.android.bumper.cow.lit.keyName,
           dimmedAssetPath: Assets.images.android.bumper.cow.dimmed.keyName,
-          spritePosition: Vector2(0, -0.68),
+          spritePosition: Vector2(0, -0.35),
           bloc: AndroidBumperCubit(),
           children: [
             ...?children,

packages/pinball_components/lib/src/components/backboard/backboard.dart

@@ -1,79 +0,0 @@
-import 'dart:async';
-
-import 'package:flame/components.dart';
-import 'package:flutter/material.dart';
-import 'package:pinball_components/pinball_components.dart';
-
-export 'backboard_game_over.dart';
-export 'backboard_letter_prompt.dart';
-export 'backboard_waiting.dart';
-
-/// {@template backboard}
-/// The [Backboard] of the pinball machine.
-/// {@endtemplate}
-class Backboard extends PositionComponent with HasGameRef {
-  /// {@macro backboard}
-  Backboard({
-    required Vector2 position,
-  }) : super(
-          position: position,
-          anchor: Anchor.bottomCenter,
-        );
-
-  /// {@macro backboard}
-  ///
-  /// Returns a [Backboard] initialized in the waiting mode
-  factory Backboard.waiting({
-    required Vector2 position,
-  }) {
-    return Backboard(position: position)..waitingMode();
-  }
-
-  /// {@macro backboard}
-  ///
-  /// Returns a [Backboard] initialized in the game over mode
-  factory Backboard.gameOver({
-    required Vector2 position,
-    required String characterIconPath,
-    required int score,
-    required BackboardOnSubmit onSubmit,
-  }) {
-    return Backboard(position: position)
-      ..gameOverMode(
-        score: score,
-        characterIconPath: characterIconPath,
-        onSubmit: onSubmit,
-      );
-  }
-
-  /// [TextPaint] used on the [Backboard]
-  static final textPaint = TextPaint(
-    style: const TextStyle(
-      fontSize: 6,
-      color: Colors.white,
-      fontFamily: PinballFonts.pixeloidSans,
-    ),
-  );
-
-  /// Puts the Backboard in waiting mode, where the scoreboard is shown.
-  Future<void> waitingMode() async {
-    children.removeWhere((_) => true);
-    await add(BackboardWaiting());
-  }
-
-  /// Puts the Backboard in game over mode, where the score input is shown.
-  Future<void> gameOverMode({
-    required int score,
-    required String characterIconPath,
-    BackboardOnSubmit? onSubmit,
-  }) async {
-    children.removeWhere((_) => true);
-    await add(
-      BackboardGameOver(
-        score: score,
-        characterIconPath: characterIconPath,
-        onSubmit: onSubmit,
-      ),
-    );
-  }
-}

packages/pinball_components/lib/src/components/backboard/backboard_game_over.dart

@@ -1,144 +0,0 @@
-import 'dart:async';
-import 'dart:math';
-
-import 'package:flame/components.dart';
-import 'package:flutter/services.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-/// Signature for the callback called when the used has
-/// submettied their initials on the [BackboardGameOver]
-typedef BackboardOnSubmit = void Function(String);
-
-/// {@template backboard_game_over}
-/// [PositionComponent] that handles the user input on the
-/// game over display view.
-/// {@endtemplate}
-class BackboardGameOver extends PositionComponent with HasGameRef {
-  /// {@macro backboard_game_over}
-  BackboardGameOver({
-    required int score,
-    required String characterIconPath,
-    BackboardOnSubmit? onSubmit,
-  })  : _onSubmit = onSubmit,
-        super(
-          children: [
-            _BackboardSpriteComponent(),
-            _BackboardDisplaySpriteComponent(),
-            _ScoreTextComponent(score.formatScore()),
-            _CharacterIconSpriteComponent(characterIconPath),
-          ],
-        );
-
-  final BackboardOnSubmit? _onSubmit;
-
-  @override
-  Future<void> onLoad() async {
-    for (var i = 0; i < 3; i++) {
-      await add(
-        BackboardLetterPrompt(
-          position: Vector2(
-            24.3 + (4.5 * i),
-            -45,
-          ),
-          hasFocus: i == 0,
-        ),
-      );
-    }
-
-    await add(
-      KeyboardInputController(
-        keyUp: {
-          LogicalKeyboardKey.arrowLeft: () => _movePrompt(true),
-          LogicalKeyboardKey.arrowRight: () => _movePrompt(false),
-          LogicalKeyboardKey.enter: _submit,
-        },
-      ),
-    );
-  }
-
-  /// Returns the current inputed initials
-  String get initials => children
-      .whereType<BackboardLetterPrompt>()
-      .map((prompt) => prompt.char)
-      .join();
-
-  bool _submit() {
-    _onSubmit?.call(initials);
-    return true;
-  }
-
-  bool _movePrompt(bool left) {
-    final prompts = children.whereType<BackboardLetterPrompt>().toList();
-
-    final current = prompts.firstWhere((prompt) => prompt.hasFocus)
-      ..hasFocus = false;
-    var index = prompts.indexOf(current) + (left ? -1 : 1);
-    index = min(max(0, index), prompts.length - 1);
-
-    prompts[index].hasFocus = true;
-
-    return false;
-  }
-}
-
-class _BackboardSpriteComponent extends SpriteComponent with HasGameRef {
-  _BackboardSpriteComponent() : super(anchor: Anchor.bottomCenter);
-
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-    final sprite = await gameRef.loadSprite(
-      Assets.images.backboard.backboardGameOver.keyName,
-    );
-    this.sprite = sprite;
-    size = sprite.originalSize / 10;
-  }
-}
-
-class _BackboardDisplaySpriteComponent extends SpriteComponent with HasGameRef {
-  _BackboardDisplaySpriteComponent()
-      : super(
-          anchor: Anchor.bottomCenter,
-          position: Vector2(0, -11.5),
-        );
-
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-    final sprite = await gameRef.loadSprite(
-      Assets.images.backboard.display.keyName,
-    );
-    this.sprite = sprite;
-    size = sprite.originalSize / 10;
-  }
-}
-
-class _ScoreTextComponent extends TextComponent {
-  _ScoreTextComponent(String score)
-      : super(
-          text: score,
-          anchor: Anchor.centerLeft,
-          position: Vector2(-34, -45),
-          textRenderer: Backboard.textPaint,
-        );
-}
-
-class _CharacterIconSpriteComponent extends SpriteComponent with HasGameRef {
-  _CharacterIconSpriteComponent(String characterIconPath)
-      : _characterIconPath = characterIconPath,
-        super(
-          anchor: Anchor.center,
-          position: Vector2(18.4, -45),
-        );
-
-  final String _characterIconPath;
-
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-    final sprite = Sprite(gameRef.images.fromCache(_characterIconPath));
-    this.sprite = sprite;
-    size = sprite.originalSize / 10;
-  }
-}

packages/pinball_components/lib/src/components/backboard/backboard_letter_prompt.dart

@@ -1,102 +0,0 @@
-import 'dart:async';
-import 'dart:math';
-
-import 'package:flame/components.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-/// {@template backboard_letter_prompt}
-/// A [PositionComponent] that renders a letter prompt used
-/// on the [BackboardGameOver]
-/// {@endtemplate}
-class BackboardLetterPrompt extends PositionComponent {
-  /// {@macro backboard_letter_prompt}
-  BackboardLetterPrompt({
-    required Vector2 position,
-    bool hasFocus = false,
-  })  : _hasFocus = hasFocus,
-        super(
-          position: position,
-        );
-
-  static const _alphabetCode = 65;
-  static const _alphabetLength = 25;
-  var _charIndex = 0;
-
-  bool _hasFocus;
-
-  late RectangleComponent _underscore;
-  late TextComponent _input;
-  late TimerComponent _underscoreBlinker;
-
-  @override
-  Future<void> onLoad() async {
-    _underscore = RectangleComponent(
-      size: Vector2(3.8, 0.8),
-      anchor: Anchor.center,
-      position: Vector2(-0.3, 4),
-    );
-
-    await add(_underscore);
-
-    _input = TextComponent(
-      text: 'A',
-      textRenderer: Backboard.textPaint,
-      anchor: Anchor.center,
-    );
-    await add(_input);
-
-    _underscoreBlinker = TimerComponent(
-      period: 0.6,
-      repeat: true,
-      autoStart: _hasFocus,
-      onTick: () {
-        _underscore.paint.color = (_underscore.paint.color == Colors.white)
-            ? Colors.transparent
-            : Colors.white;
-      },
-    );
-
-    await add(_underscoreBlinker);
-
-    await add(
-      KeyboardInputController(
-        keyUp: {
-          LogicalKeyboardKey.arrowUp: () => _cycle(true),
-          LogicalKeyboardKey.arrowDown: () => _cycle(false),
-        },
-      ),
-    );
-  }
-
-  /// Returns the current selected character
-  String get char => String.fromCharCode(_alphabetCode + _charIndex);
-
-  bool _cycle(bool up) {
-    if (_hasFocus) {
-      final newCharCode =
-          min(max(_charIndex + (up ? 1 : -1), 0), _alphabetLength);
-      _input.text = String.fromCharCode(_alphabetCode + newCharCode);
-      _charIndex = newCharCode;
-
-      return false;
-    }
-    return true;
-  }
-
-  /// Returns if this prompt has focus on it
-  bool get hasFocus => _hasFocus;
-
-  /// Updates this prompt focus
-  set hasFocus(bool hasFocus) {
-    if (hasFocus) {
-      _underscoreBlinker.timer.resume();
-    } else {
-      _underscoreBlinker.timer.pause();
-    }
-    _underscore.paint.color = Colors.white;
-    _hasFocus = hasFocus;
-  }
-}

packages/pinball_components/lib/src/components/backboard/backboard_waiting.dart

@@ -1,17 +0,0 @@
-import 'package:flame/components.dart';
-import 'package:pinball_components/pinball_components.dart';
-
-/// [PositionComponent] that shows the leaderboard while the player
-/// has not started the game yet.
-class BackboardWaiting extends SpriteComponent with HasGameRef {
-  @override
-  Future<void> onLoad() async {
-    final sprite = await gameRef.loadSprite(
-      Assets.images.backboard.backboardScores.keyName,
-    );
-
-    this.sprite = sprite;
-    size = sprite.originalSize / 10;
-    anchor = Anchor.bottomCenter;
-  }
-}

packages/pinball_components/lib/src/components/ball.dart

@@ -1,186 +0,0 @@
-import 'dart:async';
-import 'dart:math' as math;
-import 'dart:ui';
-
-import 'package:flame/components.dart';
-import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:flutter/widgets.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:pinball_flame/pinball_flame.dart';
-
-/// {@template ball}
-/// A solid, [BodyType.dynamic] sphere that rolls and bounces around.
-/// {@endtemplate}
-class Ball<T extends Forge2DGame> extends BodyComponent<T>
-    with Layered, InitialPosition, ZIndex {
-  /// {@macro ball}
-  Ball({
-    required this.baseColor,
-  }) : super(
-          renderBody: false,
-          children: [
-            _BallSpriteComponent()..tint(baseColor.withOpacity(0.5)),
-          ],
-        ) {
-    // TODO(ruimiguel): while developing Ball can be launched by clicking mouse,
-    // and default  layer is Layer.all. But on final game Ball will be always be
-    // be launched from Plunger and LauncherRamp will modify it to Layer.board.
-    // We need to see what happens if Ball appears from other place like nest
-    // bumper, it will need to explicit change layer to Layer.board then.
-    layer = Layer.board;
-  }
-
-  /// The size of the [Ball].
-  static final Vector2 size = Vector2.all(4.13);
-
-  /// The base [Color] used to tint this [Ball].
-  final Color baseColor;
-
-  @override
-  Body createBody() {
-    final shape = CircleShape()..radius = size.x / 2;
-    final fixtureDef = FixtureDef(
-      shape,
-      density: 1,
-    );
-    final bodyDef = BodyDef(
-      position: initialPosition,
-      userData: this,
-      type: BodyType.dynamic,
-    );
-
-    return world.createBody(bodyDef)..createFixture(fixtureDef);
-  }
-
-  /// Immediatly and completly [stop]s the ball.
-  ///
-  /// The [Ball] will no longer be affected by any forces, including it's
-  /// weight and those emitted from collisions.
-  // TODO(allisonryan0002): prevent motion from contact with other balls.
-  void stop() {
-    body
-      ..gravityScale = Vector2.zero()
-      ..linearVelocity = Vector2.zero()
-      ..angularVelocity = 0;
-  }
-
-  /// Allows the [Ball] to be affected by forces.
-  ///
-  /// If previously [stop]ped, the previous ball's velocity is not kept.
-  void resume() {
-    body.gravityScale = Vector2(1, 1);
-  }
-
-  /// Applies a boost and [_TurboChargeSpriteAnimationComponent] on this [Ball].
-  Future<void> boost(Vector2 impulse) async {
-    body.linearVelocity = impulse;
-    await add(_TurboChargeSpriteAnimationComponent());
-  }
-
-  @override
-  void update(double dt) {
-    super.update(dt);
-
-    _rescaleSize();
-    _setPositionalGravity();
-  }
-
-  void _rescaleSize() {
-    final boardHeight = BoardDimensions.bounds.height;
-    const maxShrinkValue = BoardDimensions.perspectiveShrinkFactor;
-
-    final standardizedYPosition = body.position.y + (boardHeight / 2);
-
-    final scaleFactor = maxShrinkValue +
-        ((standardizedYPosition / boardHeight) * (1 - maxShrinkValue));
-
-    body.fixtures.first.shape.radius = (size.x / 2) * scaleFactor;
-
-    // TODO(alestiago): Revisit and see if there's a better way to do this.
-    final spriteComponent = firstChild<_BallSpriteComponent>();
-    spriteComponent?.scale = Vector2.all(scaleFactor);
-  }
-
-  void _setPositionalGravity() {
-    final defaultGravity = gameRef.world.gravity.y;
-    final maxXDeviationFromCenter = BoardDimensions.bounds.width / 2;
-    const maxXGravityPercentage =
-        (1 - BoardDimensions.perspectiveShrinkFactor) / 2;
-    final xDeviationFromCenter = body.position.x;
-
-    final positionalXForce = ((xDeviationFromCenter / maxXDeviationFromCenter) *
-            maxXGravityPercentage) *
-        defaultGravity;
-
-    final positionalYForce = math.sqrt(
-      math.pow(defaultGravity, 2) - math.pow(positionalXForce, 2),
-    );
-
-    body.gravityOverride = Vector2(positionalXForce, positionalYForce);
-  }
-}
-
-class _BallSpriteComponent extends SpriteComponent with HasGameRef {
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-    final sprite = await gameRef.loadSprite(
-      Assets.images.ball.ball.keyName,
-    );
-    this.sprite = sprite;
-    size = sprite.originalSize / 10;
-    anchor = Anchor.center;
-  }
-}
-
-class _TurboChargeSpriteAnimationComponent extends SpriteAnimationComponent
-    with HasGameRef, ZIndex {
-  _TurboChargeSpriteAnimationComponent()
-      : super(
-          anchor: const Anchor(0.53, 0.72),
-          removeOnFinish: true,
-        ) {
-    zIndex = ZIndexes.turboChargeFlame;
-  }
-
-  late final Vector2 _textureSize;
-
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-
-    final spriteSheet = await gameRef.images.load(
-      Assets.images.ball.flameEffect.keyName,
-    );
-
-    const amountPerRow = 8;
-    const amountPerColumn = 4;
-    _textureSize = Vector2(
-      spriteSheet.width / amountPerRow,
-      spriteSheet.height / amountPerColumn,
-    );
-
-    animation = SpriteAnimation.fromFrameData(
-      spriteSheet,
-      SpriteAnimationData.sequenced(
-        amount: amountPerRow * amountPerColumn,
-        amountPerRow: amountPerRow,
-        stepTime: 1 / 24,
-        textureSize: _textureSize,
-        loop: false,
-      ),
-    );
-  }
-
-  @override
-  void update(double dt) {
-    super.update(dt);
-
-    if (parent != null) {
-      final body = (parent! as BodyComponent).body;
-      final direction = -body.linearVelocity.normalized();
-      angle = math.atan2(direction.x, -direction.y);
-      size = (_textureSize / 45) * body.fixtures.first.shape.radius;
-    }
-  }
-}

packages/pinball_components/lib/src/components/ball/ball.dart

@@ -0,0 +1,92 @@
+import 'dart:async';
+
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flutter/widgets.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+export 'behaviors/behaviors.dart';
+
+/// {@template ball}
+/// A solid, [BodyType.dynamic] sphere that rolls and bounces around.
+/// {@endtemplate}
+class Ball extends BodyComponent with Layered, InitialPosition, ZIndex {
+  /// {@macro ball}
+  Ball({
+    required this.baseColor,
+  }) : super(
+          renderBody: false,
+          children: [
+            _BallSpriteComponent()..tint(baseColor.withOpacity(0.5)),
+            BallScalingBehavior(),
+            BallGravitatingBehavior(),
+          ],
+        ) {
+    // TODO(ruimiguel): while developing Ball can be launched by clicking mouse,
+    // and default  layer is Layer.all. But on final game Ball will be always be
+    // be launched from Plunger and LauncherRamp will modify it to Layer.board.
+    // We need to see what happens if Ball appears from other place like nest
+    // bumper, it will need to explicit change layer to Layer.board then.
+    layer = Layer.board;
+  }
+
+  /// Creates a [Ball] without any behaviors.
+  ///
+  /// This can be used for testing [Ball]'s behaviors in isolation.
+  @visibleForTesting
+  Ball.test({required this.baseColor})
+      : super(
+          children: [_BallSpriteComponent()],
+        );
+
+  /// The size of the [Ball].
+  static final Vector2 size = Vector2.all(4.13);
+
+  /// The base [Color] used to tint this [Ball].
+  final Color baseColor;
+
+  @override
+  Body createBody() {
+    final shape = CircleShape()..radius = size.x / 2;
+    final bodyDef = BodyDef(
+      position: initialPosition,
+      type: BodyType.dynamic,
+      userData: this,
+    );
+
+    return world.createBody(bodyDef)..createFixtureFromShape(shape, 1);
+  }
+
+  /// Immediatly and completly [stop]s the ball.
+  ///
+  /// The [Ball] will no longer be affected by any forces, including it's
+  /// weight and those emitted from collisions.
+  // TODO(allisonryan0002): prevent motion from contact with other balls.
+  void stop() {
+    body
+      ..gravityScale = Vector2.zero()
+      ..linearVelocity = Vector2.zero()
+      ..angularVelocity = 0;
+  }
+
+  /// Allows the [Ball] to be affected by forces.
+  ///
+  /// If previously [stop]ped, the previous ball's velocity is not kept.
+  void resume() {
+    body.gravityScale = Vector2(1, 1);
+  }
+}
+
+class _BallSpriteComponent extends SpriteComponent with HasGameRef {
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = await gameRef.loadSprite(
+      Assets.images.ball.ball.keyName,
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 10;
+    anchor = Anchor.center;
+  }
+}

packages/pinball_components/lib/src/components/ball/behaviors/ball_gravitating_behavior.dart

@@ -0,0 +1,35 @@
+import 'dart:math' as math;
+
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// Scales the ball's gravity according to its position on the board.
+class BallGravitatingBehavior extends Component
+    with ParentIsA<Ball>, HasGameRef<Forge2DGame> {
+  @override
+  void update(double dt) {
+    super.update(dt);
+    final defaultGravity = gameRef.world.gravity.y;
+
+    final maxXDeviationFromCenter = BoardDimensions.bounds.width / 2;
+    const maxXGravityPercentage =
+        (1 - BoardDimensions.perspectiveShrinkFactor) / 2;
+    final xDeviationFromCenter = parent.body.position.x;
+
+    final positionalXForce = ((xDeviationFromCenter / maxXDeviationFromCenter) *
+            maxXGravityPercentage) *
+        defaultGravity;
+    final positionalYForce = math.sqrt(
+      math.pow(defaultGravity, 2) - math.pow(positionalXForce, 2),
+    );
+
+    final gravityOverride = parent.body.gravityOverride;
+    if (gravityOverride != null) {
+      gravityOverride.setValues(positionalXForce, positionalYForce);
+    } else {
+      parent.body.gravityOverride = Vector2(positionalXForce, positionalYForce);
+    }
+  }
+}

packages/pinball_components/lib/src/components/ball/behaviors/ball_scaling_behavior.dart

@@ -0,0 +1,24 @@
+import 'package:flame/components.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// Scales the ball's body and sprite according to its position on the board.
+class BallScalingBehavior extends Component with ParentIsA<Ball> {
+  @override
+  void update(double dt) {
+    super.update(dt);
+    final boardHeight = BoardDimensions.bounds.height;
+    const maxShrinkValue = BoardDimensions.perspectiveShrinkFactor;
+
+    final standardizedYPosition = parent.body.position.y + (boardHeight / 2);
+    final scaleFactor = maxShrinkValue +
+        ((standardizedYPosition / boardHeight) * (1 - maxShrinkValue));
+
+    parent.body.fixtures.first.shape.radius = (Ball.size.x / 2) * scaleFactor;
+
+    parent.firstChild<SpriteComponent>()!.scale.setValues(
+          scaleFactor,
+          scaleFactor,
+        );
+  }
+}

packages/pinball_components/lib/src/components/ball/behaviors/ball_turbo_charging_behavior.dart

@@ -0,0 +1,81 @@
+import 'dart:math' as math;
+
+import 'package:flame/components.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// {@template ball_turbo_charging_behavior}
+/// Puts the [Ball] in flames and [_impulse]s it.
+/// {@endtemplate}
+class BallTurboChargingBehavior extends TimerComponent with ParentIsA<Ball> {
+  /// {@macro ball_turbo_charging_behavior}
+  BallTurboChargingBehavior({
+    required Vector2 impulse,
+  })  : _impulse = impulse,
+        super(period: 5, removeOnFinish: true);
+
+  final Vector2 _impulse;
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    parent.body.linearVelocity = _impulse;
+    await parent.add(_TurboChargeSpriteAnimationComponent());
+  }
+
+  @override
+  void onRemove() {
+    parent
+        .firstChild<_TurboChargeSpriteAnimationComponent>()!
+        .removeFromParent();
+    super.onRemove();
+  }
+}
+
+class _TurboChargeSpriteAnimationComponent extends SpriteAnimationComponent
+    with HasGameRef, ZIndex, ParentIsA<Ball> {
+  _TurboChargeSpriteAnimationComponent()
+      : super(
+          anchor: const Anchor(0.53, 0.72),
+        ) {
+    zIndex = ZIndexes.turboChargeFlame;
+  }
+
+  late final Vector2 _textureSize;
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+
+    final direction = -parent.body.linearVelocity.normalized();
+    angle = math.atan2(direction.x, -direction.y);
+    size = (_textureSize / 45) * parent.body.fixtures.first.shape.radius;
+  }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    final spriteSheet = await gameRef.images.load(
+      Assets.images.ball.flameEffect.keyName,
+    );
+
+    const amountPerRow = 8;
+    const amountPerColumn = 4;
+    _textureSize = Vector2(
+      spriteSheet.width / amountPerRow,
+      spriteSheet.height / amountPerColumn,
+    );
+
+    animation = SpriteAnimation.fromFrameData(
+      spriteSheet,
+      SpriteAnimationData.sequenced(
+        amount: amountPerRow * amountPerColumn,
+        amountPerRow: amountPerRow,
+        stepTime: 1 / 24,
+        textureSize: _textureSize,
+      ),
+    );
+  }
+}

packages/pinball_components/lib/src/components/ball/behaviors/behaviors.dart

@@ -0,0 +1,3 @@
+export 'ball_gravitating_behavior.dart';
+export 'ball_scaling_behavior.dart';
+export 'ball_turbo_charging_behavior.dart';

packages/pinball_components/lib/src/components/components.dart

@@ -1,8 +1,7 @@
 export 'android_animatronic.dart';
 export 'android_bumper/android_bumper.dart';
 export 'android_spaceship/android_spaceship.dart';
-export 'backboard/backboard.dart';
-export 'ball.dart';
+export 'ball/ball.dart';
 export 'baseboard.dart';
 export 'board_background_sprite_component.dart';
 export 'board_dimensions.dart';
@@ -14,6 +13,7 @@ export 'dash_animatronic.dart';
 export 'dash_nest_bumper/dash_nest_bumper.dart';
 export 'dino_walls.dart';
 export 'fire_effect.dart';
+export 'flapper/flapper.dart';
 export 'flipper.dart';
 export 'google_letter/google_letter.dart';
 export 'initial_position.dart';

packages/pinball_components/lib/src/components/flapper/behaviors/behaviors.dart

@@ -0,0 +1 @@
+export 'flapper_spinning_behavior.dart';

packages/pinball_components/lib/src/components/flapper/behaviors/flapper_spinning_behavior.dart

@@ -0,0 +1,15 @@
+// ignore_for_file: public_member_api_docs
+
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+class FlapperSpinningBehavior extends ContactBehavior<FlapperEntrance> {
+  @override
+  void beginContact(Object other, Contact contact) {
+    super.beginContact(other, contact);
+    if (other is! Ball) return;
+    parent.parent?.firstChild<SpriteAnimationComponent>()?.playing = true;
+  }
+}

packages/pinball_components/lib/src/components/flapper/flapper.dart

@@ -0,0 +1,215 @@
+import 'package:flame/components.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flutter/material.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_components/src/components/flapper/behaviors/behaviors.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+/// {@template flapper}
+/// Flap to let a [Ball] out of the [LaunchRamp] and to prevent [Ball]s from
+/// going back in.
+/// {@endtemplate}
+class Flapper extends Component {
+  /// {@macro flapper}
+  Flapper()
+      : super(
+          children: [
+            FlapperEntrance(
+              children: [
+                FlapperSpinningBehavior(),
+              ],
+            )..initialPosition = Vector2(4, -69.3),
+            _FlapperStructure(),
+            _FlapperExit()..initialPosition = Vector2(-0.6, -33.8),
+            _BackSupportSpriteComponent(),
+            _FrontSupportSpriteComponent(),
+            FlapSpriteAnimationComponent(),
+          ],
+        );
+
+  /// Creates a [Flapper] without any children.
+  ///
+  /// This can be used for testing [Flapper]'s behaviors in isolation.
+  @visibleForTesting
+  Flapper.test();
+}
+
+/// {@template flapper_entrance}
+/// Sensor used in [FlapperSpinningBehavior] to animate
+/// [FlapSpriteAnimationComponent].
+/// {@endtemplate}
+class FlapperEntrance extends BodyComponent with InitialPosition, Layered {
+  /// {@macro flapper_entrance}
+  FlapperEntrance({
+    Iterable<Component>? children,
+  }) : super(
+          children: children,
+          renderBody: false,
+        ) {
+    layer = Layer.launcher;
+  }
+
+  @override
+  Body createBody() {
+    final shape = EdgeShape()
+      ..set(
+        Vector2.zero(),
+        Vector2(0, 3.2),
+      );
+    final fixtureDef = FixtureDef(
+      shape,
+      isSensor: true,
+    );
+    final bodyDef = BodyDef(position: initialPosition);
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
+}
+
+class _FlapperStructure extends BodyComponent with Layered {
+  _FlapperStructure() : super(renderBody: false) {
+    layer = Layer.board;
+  }
+
+  List<FixtureDef> _createFixtureDefs() {
+    final leftEdgeShape = EdgeShape()
+      ..set(
+        Vector2(1.9, -69.3),
+        Vector2(1.9, -66),
+      );
+
+    final bottomEdgeShape = EdgeShape()
+      ..set(
+        leftEdgeShape.vertex2,
+        Vector2(3.9, -66),
+      );
+
+    return [
+      FixtureDef(leftEdgeShape),
+      FixtureDef(bottomEdgeShape),
+    ];
+  }
+
+  @override
+  Body createBody() {
+    final body = world.createBody(BodyDef());
+    _createFixtureDefs().forEach(body.createFixture);
+    return body;
+  }
+}
+
+class _FlapperExit extends LayerSensor {
+  _FlapperExit()
+      : super(
+          insideLayer: Layer.launcher,
+          outsideLayer: Layer.board,
+          orientation: LayerEntranceOrientation.down,
+          insideZIndex: ZIndexes.ballOnLaunchRamp,
+          outsideZIndex: ZIndexes.ballOnBoard,
+        ) {
+    layer = Layer.launcher;
+  }
+
+  @override
+  Shape get shape => PolygonShape()
+    ..setAsBox(
+      1.7,
+      0.1,
+      initialPosition,
+      1.5708,
+    );
+}
+
+/// {@template flap_sprite_animation_component}
+/// Flap suspended between supports that animates to let the [Ball] exit the
+/// [LaunchRamp].
+/// {@endtemplate}
+@visibleForTesting
+class FlapSpriteAnimationComponent extends SpriteAnimationComponent
+    with HasGameRef, ZIndex {
+  /// {@macro flap_sprite_animation_component}
+  FlapSpriteAnimationComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(2.8, -70.7),
+          playing: false,
+        ) {
+    zIndex = ZIndexes.flapper;
+  }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+
+    final spriteSheet = gameRef.images.fromCache(
+      Assets.images.flapper.flap.keyName,
+    );
+
+    const amountPerRow = 14;
+    const amountPerColumn = 1;
+    final textureSize = Vector2(
+      spriteSheet.width / amountPerRow,
+      spriteSheet.height / amountPerColumn,
+    );
+    size = textureSize / 10;
+
+    animation = SpriteAnimation.fromFrameData(
+      spriteSheet,
+      SpriteAnimationData.sequenced(
+        amount: amountPerRow * amountPerColumn,
+        amountPerRow: amountPerRow,
+        stepTime: 1 / 24,
+        textureSize: textureSize,
+        loop: false,
+      ),
+    )..onComplete = () {
+        animation?.reset();
+        playing = false;
+      };
+  }
+}
+
+class _BackSupportSpriteComponent extends SpriteComponent
+    with HasGameRef, ZIndex {
+  _BackSupportSpriteComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(2.95, -70.6),
+        ) {
+    zIndex = ZIndexes.flapperBack;
+  }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.flapper.backSupport.keyName,
+      ),
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 10;
+  }
+}
+
+class _FrontSupportSpriteComponent extends SpriteComponent
+    with HasGameRef, ZIndex {
+  _FrontSupportSpriteComponent()
+      : super(
+          anchor: Anchor.center,
+          position: Vector2(2.9, -67.6),
+        ) {
+    zIndex = ZIndexes.flapperFront;
+  }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.flapper.frontSupport.keyName,
+      ),
+    );
+    this.sprite = sprite;
+    size = sprite.originalSize / 10;
+  }
+}

packages/pinball_components/lib/src/components/initial_position.dart

@@ -5,7 +5,7 @@ import 'package:flame_forge2d/flame_forge2d.dart';
 ///
 /// Note: If the [initialPosition] is set after the [BodyComponent] has been
 /// loaded it will have no effect; defaulting to [Vector2.zero].
-mixin InitialPosition<T extends Forge2DGame> on BodyComponent<T> {
+mixin InitialPosition on BodyComponent {
   final Vector2 _initialPosition = Vector2.zero();
 
   set initialPosition(Vector2 value) {

packages/pinball_components/lib/src/components/launch_ramp.dart

@@ -1,7 +1,5 @@
 // ignore_for_file: avoid_renaming_method_parameters
 
-import 'dart:math' as math;
-
 import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:pinball_components/pinball_components.dart';
@@ -17,8 +15,6 @@ class LaunchRamp extends Component {
           children: [
             _LaunchRampBase(),
             _LaunchRampForegroundRailing(),
-            _LaunchRampExit()..initialPosition = Vector2(0.6, -34),
-            _LaunchRampCloseWall()..initialPosition = Vector2(4, -69.5),
           ],
         );
 }
@@ -109,8 +105,10 @@ class _LaunchRampBaseSpriteComponent extends SpriteComponent with HasGameRef {
   Future<void> onLoad() async {
     await super.onLoad();
 
-    final sprite = await gameRef.loadSprite(
-      Assets.images.launchRamp.ramp.keyName,
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.launchRamp.ramp.keyName,
+      ),
     );
     this.sprite = sprite;
     size = sprite.originalSize / 10;
@@ -125,8 +123,10 @@ class _LaunchRampBackgroundRailingSpriteComponent extends SpriteComponent
   Future<void> onLoad() async {
     await super.onLoad();
 
-    final sprite = await gameRef.loadSprite(
-      Assets.images.launchRamp.backgroundRailing.keyName,
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.launchRamp.backgroundRailing.keyName,
+      ),
     );
     this.sprite = sprite;
     size = sprite.originalSize / 10;
@@ -190,8 +190,10 @@ class _LaunchRampForegroundRailingSpriteComponent extends SpriteComponent
   Future<void> onLoad() async {
     await super.onLoad();
 
-    final sprite = await gameRef.loadSprite(
-      Assets.images.launchRamp.foregroundRailing.keyName,
+    final sprite = Sprite(
+      gameRef.images.fromCache(
+        Assets.images.launchRamp.foregroundRailing.keyName,
+      ),
     );
     this.sprite = sprite;
     size = sprite.originalSize / 10;
@@ -199,51 +201,3 @@ class _LaunchRampForegroundRailingSpriteComponent extends SpriteComponent
     position = Vector2(22.8, 0.5);
   }
 }
-
-class _LaunchRampCloseWall extends BodyComponent with InitialPosition, Layered {
-  _LaunchRampCloseWall() : super(renderBody: false) {
-    layer = Layer.board;
-  }
-
-  @override
-  Body createBody() {
-    final shape = EdgeShape()..set(Vector2.zero(), Vector2(0, 3));
-
-    final fixtureDef = FixtureDef(shape);
-
-    final bodyDef = BodyDef()
-      ..userData = this
-      ..position = initialPosition;
-
-    return world.createBody(bodyDef)..createFixture(fixtureDef);
-  }
-}
-
-/// {@template launch_ramp_exit}
-/// [LayerSensor] with [Layer.launcher] to filter [Ball]s exiting the
-/// [LaunchRamp].
-/// {@endtemplate}
-class _LaunchRampExit extends LayerSensor {
-  /// {@macro launch_ramp_exit}
-  _LaunchRampExit()
-      : super(
-          insideLayer: Layer.launcher,
-          outsideLayer: Layer.board,
-          orientation: LayerEntranceOrientation.down,
-          insideZIndex: ZIndexes.ballOnLaunchRamp,
-          outsideZIndex: ZIndexes.ballOnBoard,
-        ) {
-    layer = Layer.launcher;
-  }
-
-  static final Vector2 _size = Vector2(1.6, 0.1);
-
-  @override
-  Shape get shape => PolygonShape()
-    ..setAsBox(
-      _size.x,
-      _size.y,
-      initialPosition,
-      math.pi / 2,
-    );
-}

packages/pinball_components/lib/src/components/layer.dart

@@ -9,7 +9,7 @@ import 'package:flutter/material.dart';
 /// ignoring others. This compatibility depends on bit masking operation
 /// between layers. For more information read: https://en.wikipedia.org/wiki/Mask_(computing).
 /// {@endtemplate}
-mixin Layered<T extends Forge2DGame> on BodyComponent<T> {
+mixin Layered on BodyComponent {
   Layer _layer = Layer.all;
 
   /// {@macro layered}

packages/pinball_components/lib/src/components/score_component.dart

@@ -23,16 +23,20 @@ class ScoreComponent extends SpriteComponent with HasGameRef, ZIndex {
   ScoreComponent({
     required this.points,
     required Vector2 position,
-  }) : super(
+    required EffectController effectController,
+  })  : _effectController = effectController,
+        super(
           position: position,
           anchor: Anchor.center,
         ) {
     zIndex = ZIndexes.score;
   }
 
+  late Points points;
+
   late final Effect _effect;
 
-  late Points points;
+  final EffectController _effectController;
 
   @override
   Future<void> onLoad() async {
@@ -46,7 +50,7 @@ class ScoreComponent extends SpriteComponent with HasGameRef, ZIndex {
     await add(
       _effect = MoveEffect.by(
         Vector2(0, -5),
-        EffectController(duration: 1),
+        _effectController,
       ),
     );
   }

packages/pinball_components/lib/src/components/z_indexes.dart

@@ -45,6 +45,12 @@ abstract class ZIndexes {
 
   static const launchRampForegroundRailing = _above + ballOnLaunchRamp;
 
+  static const flapperBack = _above + outerBoundary;
+
+  static const flapperFront = _above + flapper;
+
+  static const flapper = _above + ballOnLaunchRamp;
+
   static const plunger = _above + launchRamp;
 
   static const rocket = _below + bottomBoundary;
@@ -108,5 +114,10 @@ abstract class ZIndexes {
   static const score = _above + spaceshipRampForegroundRailing;
 
   // Debug information
+
   static const debugInfo = _above + score;
+
+  // Backbox
+
+  static const backbox = _below + outerBoundary;
 }

packages/pinball_components/pubspec.yaml

@@ -73,7 +73,6 @@ flutter:
     - assets/images/sparky/bumper/a/
     - assets/images/sparky/bumper/b/
     - assets/images/sparky/bumper/c/
-    - assets/images/backboard/
     - assets/images/google_word/letter1/
     - assets/images/google_word/letter2/
     - assets/images/google_word/letter3/
@@ -88,6 +87,8 @@ flutter:
     - assets/images/multiplier/x5/
     - assets/images/multiplier/x6/
     - assets/images/score/
+    - assets/images/backbox/
+    - assets/images/flapper/
 
 flutter_gen:
   line_length: 80

packages/pinball_components/sandbox/lib/main.dart

@@ -18,7 +18,6 @@ void main() {
   addGoogleWordStories(dashbook);
   addLaunchRampStories(dashbook);
   addScoreStories(dashbook);
-  addBackboardStories(dashbook);
   addMultiballStories(dashbook);
   addMultipliersStories(dashbook);
 

packages/pinball_components/sandbox/lib/stories/backboard/backboard_game_over_game.dart

@@ -1,61 +0,0 @@
-import 'package:flame/input.dart';
-import 'package:pinball_components/pinball_components.dart' as components;
-import 'package:pinball_theme/pinball_theme.dart';
-import 'package:sandbox/common/common.dart';
-
-class BackboardGameOverGame extends AssetsGame
-    with HasKeyboardHandlerComponents {
-  BackboardGameOverGame(this.score, this.character)
-      : super(
-          imagesFileNames: [
-            components.Assets.images.score.fiveThousand.keyName,
-            components.Assets.images.score.twentyThousand.keyName,
-            components.Assets.images.score.twoHundredThousand.keyName,
-            components.Assets.images.score.oneMillion.keyName,
-            ...characterIconPaths.values.toList(),
-          ],
-        );
-
-  static const description = '''
-      Shows how the Backboard in game over mode is rendered.
-
-      - Select a character to update the character icon.
-  ''';
-
-  static final characterIconPaths = <String, String>{
-    'Dash': Assets.images.dash.leaderboardIcon.keyName,
-    'Sparky': Assets.images.sparky.leaderboardIcon.keyName,
-    'Android': Assets.images.android.leaderboardIcon.keyName,
-    'Dino': Assets.images.dino.leaderboardIcon.keyName,
-  };
-
-  final int score;
-
-  final String character;
-
-  @override
-  Future<void> onLoad() async {
-    await super.onLoad();
-
-    camera
-      ..followVector2(Vector2.zero())
-      ..zoom = 5;
-
-    await add(
-      components.Backboard.gameOver(
-        position: Vector2(0, 20),
-        score: score,
-        characterIconPath: characterIconPaths[character]!,
-        onSubmit: (initials) {
-          add(
-            components.ScoreComponent(
-              points: components.Points.values
-                  .firstWhere((element) => element.value == score),
-              position: Vector2(0, 50),
-            ),
-          );
-        },
-      ),
-    );
-  }
-}

packages/pinball_components/sandbox/lib/stories/backboard/backboard_waiting_game.dart

@@ -1,25 +0,0 @@
-import 'package:flame/components.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:sandbox/common/common.dart';
-
-class BackboardWaitingGame extends AssetsGame {
-  BackboardWaitingGame()
-      : super(
-          imagesFileNames: [],
-        );
-
-  static const description = '''
-      Shows how the Backboard in waiting mode is rendered.
-  ''';
-
-  @override
-  Future<void> onLoad() async {
-    camera
-      ..followVector2(Vector2.zero())
-      ..zoom = 5;
-
-    await add(
-      Backboard.waiting(position: Vector2(0, 20)),
-    );
-  }
-}

packages/pinball_components/sandbox/lib/stories/backboard/stories.dart

@@ -1,30 +0,0 @@
-import 'package:dashbook/dashbook.dart';
-import 'package:pinball_components/pinball_components.dart';
-import 'package:sandbox/common/common.dart';
-import 'package:sandbox/stories/backboard/backboard_game_over_game.dart';
-import 'package:sandbox/stories/backboard/backboard_waiting_game.dart';
-
-void addBackboardStories(Dashbook dashbook) {
-  dashbook.storiesOf('Backboard')
-    ..addGame(
-      title: 'Waiting',
-      description: BackboardWaitingGame.description,
-      gameBuilder: (_) => BackboardWaitingGame(),
-    )
-    ..addGame(
-      title: 'Game over',
-      description: BackboardGameOverGame.description,
-      gameBuilder: (context) => BackboardGameOverGame(
-        context.listProperty(
-          'Score',
-          Points.values.first.value,
-          Points.values.map((score) => score.value).toList(),
-        ),
-        context.listProperty(
-          'Character',
-          BackboardGameOverGame.characterIconPaths.keys.first,
-          BackboardGameOverGame.characterIconPaths.keys.toList(),
-        ),
-      ),
-    );
-}

packages/pinball_components/sandbox/lib/stories/ball/ball_booster_game.dart

@@ -13,8 +13,9 @@ class BallBoosterGame extends LineGame {
   @override
   void onLine(Vector2 line) {
     final ball = Ball(baseColor: Colors.transparent);
-    add(ball);
+    final impulse = line * -1 * 20;
+    ball.add(BallTurboChargingBehavior(impulse: impulse));
 
-    ball.mounted.then((value) => ball.boost(line * -1 * 20));
+    add(ball);
   }
 }

packages/pinball_components/sandbox/lib/stories/score/score_game.dart

@@ -1,5 +1,6 @@
 import 'dart:math';
 
+import 'package:flame/effects.dart';
 import 'package:flame/input.dart';
 import 'package:pinball_components/pinball_components.dart';
 import 'package:sandbox/common/common.dart';
@@ -38,6 +39,7 @@ class ScoreGame extends AssetsGame with TapDetector {
       ScoreComponent(
         points: score,
         position: info.eventPosition.game..multiply(Vector2(1, -1)),
+        effectController: EffectController(duration: 1),
       ),
     );
   }

packages/pinball_components/sandbox/lib/stories/stories.dart

@@ -1,5 +1,4 @@
 export 'android_acres/stories.dart';
-export 'backboard/stories.dart';
 export 'ball/stories.dart';
 export 'bottom_group/stories.dart';
 export 'boundaries/stories.dart';

packages/pinball_components/test/src/components/backboard_test.dart

@@ -1,185 +0,0 @@
-// ignore_for_file: unawaited_futures, cascade_invocations
-
-import 'package:flame/components.dart';
-import 'package:flame_test/flame_test.dart';
-import 'package:flutter/material.dart';
-import 'package:flutter/services.dart';
-import 'package:flutter_test/flutter_test.dart';
-import 'package:pinball_components/pinball_components.dart' hide Assets;
-import 'package:pinball_theme/pinball_theme.dart';
-
-import '../../helpers/helpers.dart';
-
-void main() {
-  group('Backboard', () {
-    final characterIconPath = Assets.images.dash.leaderboardIcon.keyName;
-    final tester = FlameTester(() => KeyboardTestGame([characterIconPath]));
-
-    group('on waitingMode', () {
-      tester.testGameWidget(
-        'renders correctly',
-        setUp: (game, tester) async {
-          game.camera.zoom = 2;
-          game.camera.followVector2(Vector2.zero());
-          await game.ensureAdd(Backboard.waiting(position: Vector2(0, 15)));
-          await tester.pump();
-        },
-        verify: (game, tester) async {
-          await expectLater(
-            find.byGame<TestGame>(),
-            matchesGoldenFile('golden/backboard/waiting.png'),
-          );
-        },
-      );
-    });
-
-    group('on gameOverMode', () {
-      tester.testGameWidget(
-        'renders correctly',
-        setUp: (game, tester) async {
-          game.camera.zoom = 2;
-          game.camera.followVector2(Vector2.zero());
-          final backboard = Backboard.gameOver(
-            position: Vector2(0, 15),
-            score: 1000,
-            characterIconPath: characterIconPath,
-            onSubmit: (_) {},
-          );
-          await game.ensureAdd(backboard);
-        },
-        verify: (game, tester) async {
-          final prompts =
-              game.descendants().whereType<BackboardLetterPrompt>().length;
-          expect(prompts, equals(3));
-
-          final score = game.descendants().firstWhere(
-                (component) =>
-                    component is TextComponent && component.text == '1,000',
-              );
-          expect(score, isNotNull);
-        },
-      );
-
-      tester.testGameWidget(
-        'can change the initials',
-        setUp: (game, tester) async {
-          final backboard = Backboard.gameOver(
-            position: Vector2(0, 15),
-            score: 1000,
-            characterIconPath: characterIconPath,
-            onSubmit: (_) {},
-          );
-          await game.ensureAdd(backboard);
-
-          // Focus is already on the first letter
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-          await tester.pump();
-
-          // Move to the next an press up again
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowRight);
-          await tester.pump();
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-          await tester.pump();
-
-          // One more time
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowRight);
-          await tester.pump();
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-          await tester.pump();
-
-          // Back to the previous and increase one more
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowLeft);
-          await tester.pump();
-          await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-          await tester.pump();
-        },
-        verify: (game, tester) async {
-          final backboard = game
-                  .descendants()
-                  .firstWhere((component) => component is BackboardGameOver)
-              as BackboardGameOver;
-
-          expect(backboard.initials, equals('BCB'));
-        },
-      );
-
-      String? submitedInitials;
-      tester.testGameWidget(
-        'submits the initials',
-        setUp: (game, tester) async {
-          final backboard = Backboard.gameOver(
-            position: Vector2(0, 15),
-            score: 1000,
-            characterIconPath: characterIconPath,
-            onSubmit: (value) {
-              submitedInitials = value;
-            },
-          );
-          await game.ensureAdd(backboard);
-
-          await tester.sendKeyEvent(LogicalKeyboardKey.enter);
-          await tester.pump();
-        },
-        verify: (game, tester) async {
-          expect(submitedInitials, equals('AAA'));
-        },
-      );
-    });
-  });
-
-  group('BackboardLetterPrompt', () {
-    final tester = FlameTester(KeyboardTestGame.new);
-
-    tester.testGameWidget(
-      'cycles the char up and down when it has focus',
-      setUp: (game, tester) async {
-        await game.ensureAdd(
-          BackboardLetterPrompt(hasFocus: true, position: Vector2.zero()),
-        );
-        await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-        await tester.pump();
-        await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-        await tester.pump();
-        await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-        await tester.pump();
-        await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
-        await tester.pump();
-      },
-      verify: (game, tester) async {
-        final prompt = game.firstChild<BackboardLetterPrompt>();
-        expect(prompt?.char, equals('C'));
-      },
-    );
-
-    tester.testGameWidget(
-      "does nothing when it doesn't have focus",
-      setUp: (game, tester) async {
-        await game.ensureAdd(
-          BackboardLetterPrompt(position: Vector2.zero()),
-        );
-        await tester.sendKeyEvent(LogicalKeyboardKey.arrowUp);
-        await tester.pump();
-      },
-      verify: (game, tester) async {
-        final prompt = game.firstChild<BackboardLetterPrompt>();
-        expect(prompt?.char, equals('A'));
-      },
-    );
-
-    tester.testGameWidget(
-      'blinks the prompt when it has the focus',
-      setUp: (game, tester) async {
-        await game.ensureAdd(
-          BackboardLetterPrompt(position: Vector2.zero(), hasFocus: true),
-        );
-      },
-      verify: (game, tester) async {
-        final underscore = game.descendants().whereType<ShapeComponent>().first;
-        expect(underscore.paint.color, Colors.white);
-
-        game.update(2);
-        expect(underscore.paint.color, Colors.transparent);
-      },
-    );
-  });
-}

packages/pinball_components/test/src/components/ball/ball_test.dart

@@ -1,23 +1,32 @@
 // ignore_for_file: cascade_invocations
 
-import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball_components/pinball_components.dart';
 
-import '../../helpers/helpers.dart';
+import '../../../helpers/helpers.dart';
 
 void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
   final flameTester = FlameTester(TestGame.new);
 
   group('Ball', () {
+    const baseColor = Color(0xFFFFFFFF);
+
+    test(
+      'can be instantiated',
+      () {
+        expect(Ball(baseColor: baseColor), isA<Ball>());
+        expect(Ball.test(baseColor: baseColor), isA<Ball>());
+      },
+    );
+
     flameTester.test(
       'loads correctly',
       (game) async {
-        final ball = Ball(baseColor: Colors.blue);
+        final ball = Ball(baseColor: baseColor);
         await game.ready();
         await game.ensureAdd(ball);
 
@@ -25,11 +34,31 @@ void main() {
       },
     );
 
+    group('adds', () {
+      flameTester.test('a BallScalingBehavior', (game) async {
+        final ball = Ball(baseColor: baseColor);
+        await game.ensureAdd(ball);
+        expect(
+          ball.descendants().whereType<BallScalingBehavior>().length,
+          equals(1),
+        );
+      });
+
+      flameTester.test('a BallGravitatingBehavior', (game) async {
+        final ball = Ball(baseColor: baseColor);
+        await game.ensureAdd(ball);
+        expect(
+          ball.descendants().whereType<BallGravitatingBehavior>().length,
+          equals(1),
+        );
+      });
+    });
+
     group('body', () {
       flameTester.test(
         'is dynamic',
         (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           expect(ball.body.bodyType, equals(BodyType.dynamic));
@@ -38,7 +67,7 @@ void main() {
 
       group('can be moved', () {
         flameTester.test('by its weight', (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           game.update(1);
@@ -46,7 +75,7 @@ void main() {
         });
 
         flameTester.test('by applying velocity', (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           ball.body.gravityScale = Vector2.zero();
@@ -61,7 +90,7 @@ void main() {
       flameTester.test(
         'exists',
         (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           expect(ball.body.fixtures[0], isA<Fixture>());
@@ -71,7 +100,7 @@ void main() {
       flameTester.test(
         'is dense',
         (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           final fixture = ball.body.fixtures[0];
@@ -82,7 +111,7 @@ void main() {
       flameTester.test(
         'shape is circular',
         (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
 
           final fixture = ball.body.fixtures[0];
@@ -94,7 +123,7 @@ void main() {
       flameTester.test(
         'has Layer.all as default filter maskBits',
         (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ready();
           await game.ensureAdd(ball);
           await game.ready();
@@ -108,7 +137,7 @@ void main() {
     group('stop', () {
       group("can't be moved", () {
         flameTester.test('by its weight', (game) async {
-          final ball = Ball(baseColor: Colors.blue);
+          final ball = Ball(baseColor: baseColor);
           await game.ensureAdd(ball);
           ball.stop();
 
@@ -116,19 +145,6 @@ void main() {
           expect(ball.body.position, equals(ball.initialPosition));
         });
       });
-
-      // TODO(allisonryan0002): delete or retest this if/when solution is added
-      // to prevent forces on a ball while stopped.
-
-      // flameTester.test('by applying velocity', (game) async {
-      //   final ball = Ball(baseColor: Colors.blue);
-      //   await game.ensureAdd(ball);
-      //   ball.stop();
-
-      //   ball.body.linearVelocity.setValues(10, 10);
-      //   game.update(1);
-      //   expect(ball.body.position, equals(ball.initialPosition));
-      // });
     });
 
     group('resume', () {
@@ -136,7 +152,7 @@ void main() {
         flameTester.test(
           'by its weight when previously stopped',
           (game) async {
-            final ball = Ball(baseColor: Colors.blue);
+            final ball = Ball(baseColor: baseColor);
             await game.ensureAdd(ball);
             ball.stop();
             ball.resume();
@@ -149,7 +165,7 @@ void main() {
         flameTester.test(
           'by applying velocity when previously stopped',
           (game) async {
-            final ball = Ball(baseColor: Colors.blue);
+            final ball = Ball(baseColor: baseColor);
             await game.ensureAdd(ball);
             ball.stop();
             ball.resume();
@@ -162,50 +178,5 @@ void main() {
         );
       });
     });
-
-    group('boost', () {
-      flameTester.test('applies an impulse to the ball', (game) async {
-        final ball = Ball(baseColor: Colors.blue);
-        await game.ensureAdd(ball);
-
-        expect(ball.body.linearVelocity, equals(Vector2.zero()));
-
-        await ball.boost(Vector2.all(10));
-        expect(ball.body.linearVelocity.x, greaterThan(0));
-        expect(ball.body.linearVelocity.y, greaterThan(0));
-      });
-
-      flameTester.test('adds TurboChargeSpriteAnimation', (game) async {
-        final ball = Ball(baseColor: Colors.blue);
-        await game.ensureAdd(ball);
-
-        await ball.boost(Vector2.all(10));
-        game.update(0);
-
-        expect(
-          ball.children.whereType<SpriteAnimationComponent>().single,
-          isNotNull,
-        );
-      });
-
-      flameTester.test('removes TurboChargeSpriteAnimation after it finishes',
-          (game) async {
-        final ball = Ball(baseColor: Colors.blue);
-        await game.ensureAdd(ball);
-
-        await ball.boost(Vector2.all(10));
-        game.update(0);
-
-        final turboChargeSpriteAnimation =
-            ball.children.whereType<SpriteAnimationComponent>().single;
-
-        expect(ball.contains(turboChargeSpriteAnimation), isTrue);
-
-        game.update(turboChargeSpriteAnimation.animation!.totalDuration());
-        game.update(0.1);
-
-        expect(ball.contains(turboChargeSpriteAnimation), isFalse);
-      });
-    });
   });
 }

packages/pinball_components/test/src/components/ball/behaviors/ball_gravitating_behavior_test.dart

@@ -0,0 +1,62 @@
+// ignore_for_file: cascade_invocations
+
+import 'dart:ui';
+
+import 'package:flame/components.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+import '../../../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final asset = Assets.images.ball.ball.keyName;
+  final flameTester = FlameTester(() => TestGame([asset]));
+
+  group('BallGravitatingBehavior', () {
+    const baseColor = Color(0xFFFFFFFF);
+    test('can be instantiated', () {
+      expect(
+        BallGravitatingBehavior(),
+        isA<BallGravitatingBehavior>(),
+      );
+    });
+
+    flameTester.test('can be loaded', (game) async {
+      final ball = Ball.test(baseColor: baseColor);
+      final behavior = BallGravitatingBehavior();
+      await ball.add(behavior);
+      await game.ensureAdd(ball);
+      expect(
+        ball.firstChild<BallGravitatingBehavior>(),
+        equals(behavior),
+      );
+    });
+
+    flameTester.test(
+      "overrides the body's horizontal gravity symmetrically",
+      (game) async {
+        final ball1 = Ball.test(baseColor: baseColor)
+          ..initialPosition = Vector2(10, 0);
+        await ball1.add(BallGravitatingBehavior());
+
+        final ball2 = Ball.test(baseColor: baseColor)
+          ..initialPosition = Vector2(-10, 0);
+        await ball2.add(BallGravitatingBehavior());
+
+        await game.ensureAddAll([ball1, ball2]);
+        game.update(1);
+
+        expect(
+          ball1.body.gravityOverride!.x,
+          equals(-ball2.body.gravityOverride!.x),
+        );
+        expect(
+          ball1.body.gravityOverride!.y,
+          equals(ball2.body.gravityOverride!.y),
+        );
+      },
+    );
+  });
+}

packages/pinball_components/test/src/components/ball/behaviors/ball_scaling_behavior_test.dart

@@ -0,0 +1,84 @@
+// ignore_for_file: cascade_invocations
+
+import 'dart:ui';
+
+import 'package:flame/components.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+import '../../../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final asset = Assets.images.ball.ball.keyName;
+  final flameTester = FlameTester(() => TestGame([asset]));
+
+  group('BallScalingBehavior', () {
+    const baseColor = Color(0xFFFFFFFF);
+    test('can be instantiated', () {
+      expect(
+        BallScalingBehavior(),
+        isA<BallScalingBehavior>(),
+      );
+    });
+
+    flameTester.test('can be loaded', (game) async {
+      final ball = Ball.test(baseColor: baseColor);
+      final behavior = BallScalingBehavior();
+      await ball.add(behavior);
+      await game.ensureAdd(ball);
+      expect(
+        ball.firstChild<BallScalingBehavior>(),
+        equals(behavior),
+      );
+    });
+
+    flameTester.test('scales the shape radius', (game) async {
+      final ball1 = Ball.test(baseColor: baseColor)
+        ..initialPosition = Vector2(0, 10);
+      await ball1.add(BallScalingBehavior());
+
+      final ball2 = Ball.test(baseColor: baseColor)
+        ..initialPosition = Vector2(0, -10);
+      await ball2.add(BallScalingBehavior());
+
+      await game.ensureAddAll([ball1, ball2]);
+      game.update(1);
+
+      final shape1 = ball1.body.fixtures.first.shape;
+      final shape2 = ball2.body.fixtures.first.shape;
+      expect(
+        shape1.radius,
+        greaterThan(shape2.radius),
+      );
+    });
+
+    flameTester.test(
+      'scales the sprite',
+      (game) async {
+        final ball1 = Ball.test(baseColor: baseColor)
+          ..initialPosition = Vector2(0, 10);
+        await ball1.add(BallScalingBehavior());
+
+        final ball2 = Ball.test(baseColor: baseColor)
+          ..initialPosition = Vector2(0, -10);
+        await ball2.add(BallScalingBehavior());
+
+        await game.ensureAddAll([ball1, ball2]);
+        game.update(1);
+
+        final sprite1 = ball1.firstChild<SpriteComponent>()!;
+        final sprite2 = ball2.firstChild<SpriteComponent>()!;
+        expect(
+          sprite1.scale.x,
+          greaterThan(sprite2.scale.x),
+        );
+        expect(
+          sprite1.scale.y,
+          greaterThan(sprite2.scale.y),
+        );
+      },
+    );
+  });
+}

packages/pinball_components/test/src/components/ball/behaviors/ball_turbo_charging_behavior_test.dart

@@ -0,0 +1,94 @@
+// ignore_for_file: cascade_invocations
+
+import 'dart:ui';
+
+import 'package:flame/components.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+import '../../../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group(
+    'BallTurboChargingBehavior',
+    () {
+      final assets = [Assets.images.ball.ball.keyName];
+      final flameTester = FlameTester(() => TestGame(assets));
+      const baseColor = Color(0xFFFFFFFF);
+
+      test('can be instantiated', () {
+        expect(
+          BallTurboChargingBehavior(impulse: Vector2.zero()),
+          isA<BallTurboChargingBehavior>(),
+        );
+      });
+
+      flameTester.test('can be loaded', (game) async {
+        final ball = Ball.test(baseColor: baseColor);
+        final behavior = BallTurboChargingBehavior(impulse: Vector2.zero());
+        await ball.add(behavior);
+        await game.ensureAdd(ball);
+        expect(
+          ball.firstChild<BallTurboChargingBehavior>(),
+          equals(behavior),
+        );
+      });
+
+      flameTester.test(
+        'impulses the ball velocity when loaded',
+        (game) async {
+          final ball = Ball.test(baseColor: baseColor);
+          await game.ensureAdd(ball);
+          final impulse = Vector2.all(1);
+          final behavior = BallTurboChargingBehavior(impulse: impulse);
+          await ball.ensureAdd(behavior);
+
+          expect(
+            ball.body.linearVelocity.x,
+            equals(impulse.x),
+          );
+          expect(
+            ball.body.linearVelocity.y,
+            equals(impulse.y),
+          );
+        },
+      );
+
+      flameTester.test('adds sprite', (game) async {
+        final ball = Ball(baseColor: baseColor);
+        await game.ensureAdd(ball);
+
+        await ball.ensureAdd(
+          BallTurboChargingBehavior(impulse: Vector2.zero()),
+        );
+
+        expect(
+          ball.children.whereType<SpriteAnimationComponent>().single,
+          isNotNull,
+        );
+      });
+
+      flameTester.test('removes sprite after it finishes', (game) async {
+        final ball = Ball(baseColor: baseColor);
+        await game.ensureAdd(ball);
+
+        final behavior = BallTurboChargingBehavior(impulse: Vector2.zero());
+        await ball.ensureAdd(behavior);
+
+        final turboChargeSpriteAnimation =
+            ball.children.whereType<SpriteAnimationComponent>().single;
+
+        expect(ball.contains(turboChargeSpriteAnimation), isTrue);
+
+        game.update(behavior.timer.limit);
+        game.update(0.1);
+
+        expect(ball.contains(turboChargeSpriteAnimation), isFalse);
+      });
+    },
+  );
+}

packages/pinball_components/test/src/components/flapper/behaviors/flapper_spinning_behavior_test.dart

@@ -0,0 +1,53 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_components/src/components/flapper/behaviors/behaviors.dart';
+
+import '../../../../helpers/helpers.dart';
+
+class _MockBall extends Mock implements Ball {}
+
+class _MockContact extends Mock implements Contact {}
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final assets = [
+    Assets.images.flapper.flap.keyName,
+    Assets.images.flapper.backSupport.keyName,
+    Assets.images.flapper.frontSupport.keyName,
+  ];
+  final flameTester = FlameTester(() => TestGame(assets));
+
+  group(
+    'FlapperSpinningBehavior',
+    () {
+      test('can be instantiated', () {
+        expect(
+          FlapperSpinningBehavior(),
+          isA<FlapperSpinningBehavior>(),
+        );
+      });
+
+      flameTester.test(
+        'beginContact plays the flapper animation',
+        (game) async {
+          final behavior = FlapperSpinningBehavior();
+          final entrance = FlapperEntrance();
+          final flap = FlapSpriteAnimationComponent();
+          final flapper = Flapper.test();
+          await flapper.addAll([entrance, flap]);
+          await entrance.add(behavior);
+          await game.ensureAdd(flapper);
+
+          behavior.beginContact(_MockBall(), _MockContact());
+
+          expect(flap.playing, isTrue);
+        },
+      );
+    },
+  );
+}

packages/pinball_components/test/src/components/flapper/flapper_test.dart

@@ -0,0 +1,100 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball_components/src/components/flapper/behaviors/behaviors.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+import '../../../helpers/helpers.dart';
+
+void main() {
+  group('Flapper', () {
+    TestWidgetsFlutterBinding.ensureInitialized();
+    final assets = [
+      Assets.images.flapper.flap.keyName,
+      Assets.images.flapper.backSupport.keyName,
+      Assets.images.flapper.frontSupport.keyName,
+    ];
+    final flameTester = FlameTester(() => TestGame(assets));
+
+    flameTester.test('loads correctly', (game) async {
+      final component = Flapper();
+      await game.ensureAdd(component);
+      expect(game.contains(component), isTrue);
+    });
+
+    flameTester.testGameWidget(
+      'renders correctly',
+      setUp: (game, tester) async {
+        await game.images.loadAll(assets);
+        final canvas = ZCanvasComponent(children: [Flapper()]);
+        await game.ensureAdd(canvas);
+        game.camera
+          ..followVector2(Vector2(3, -70))
+          ..zoom = 25;
+        await tester.pump();
+      },
+      verify: (game, tester) async {
+        const goldenFilePath = '../golden/flapper/';
+        final flapSpriteAnimationComponent = game
+            .descendants()
+            .whereType<FlapSpriteAnimationComponent>()
+            .first
+          ..playing = true;
+        final animationDuration =
+            flapSpriteAnimationComponent.animation!.totalDuration();
+
+        await expectLater(
+          find.byGame<TestGame>(),
+          matchesGoldenFile('${goldenFilePath}start.png'),
+        );
+
+        game.update(animationDuration * 0.25);
+        await tester.pump();
+        await expectLater(
+          find.byGame<TestGame>(),
+          matchesGoldenFile('${goldenFilePath}middle.png'),
+        );
+
+        game.update(animationDuration * 0.75);
+        await tester.pump();
+        await expectLater(
+          find.byGame<TestGame>(),
+          matchesGoldenFile('${goldenFilePath}end.png'),
+        );
+      },
+    );
+
+    flameTester.test('adds a FlapperSpiningBehavior to FlapperEntrance',
+        (game) async {
+      final flapper = Flapper();
+      await game.ensureAdd(flapper);
+
+      final flapperEntrance = flapper.firstChild<FlapperEntrance>()!;
+      expect(
+        flapperEntrance.firstChild<FlapperSpinningBehavior>(),
+        isNotNull,
+      );
+    });
+
+    flameTester.test(
+      'flap stops animating after animation completes',
+      (game) async {
+        final flapper = Flapper();
+        await game.ensureAdd(flapper);
+
+        final flapSpriteAnimationComponent =
+            flapper.firstChild<FlapSpriteAnimationComponent>()!;
+
+        flapSpriteAnimationComponent.playing = true;
+        game.update(
+          flapSpriteAnimationComponent.animation!.totalDuration() + 0.1,
+        );
+
+        expect(flapSpriteAnimationComponent.playing, isFalse);
+      },
+    );
+  });
+}

packages/pinball_components/test/src/components/launch_ramp_test.dart

@@ -9,7 +9,13 @@ import '../../helpers/helpers.dart';
 
 void main() {
   group('LaunchRamp', () {
-    final flameTester = FlameTester(TestGame.new);
+    TestWidgetsFlutterBinding.ensureInitialized();
+    final assets = [
+      Assets.images.launchRamp.ramp.keyName,
+      Assets.images.launchRamp.backgroundRailing.keyName,
+      Assets.images.launchRamp.foregroundRailing.keyName,
+    ];
+    final flameTester = FlameTester(() => TestGame(assets));
 
     flameTester.test('loads correctly', (game) async {
       final component = LaunchRamp();
@@ -20,9 +26,12 @@ void main() {
     flameTester.testGameWidget(
       'renders correctly',
       setUp: (game, tester) async {
+        await game.images.loadAll(assets);
         await game.ensureAdd(LaunchRamp());
         game.camera.followVector2(Vector2.zero());
         game.camera.zoom = 4.1;
+        await game.ready();
+        await tester.pump();
       },
       verify: (game, tester) async {
         await expectLater(

packages/pinball_components/test/src/components/score_component_test.dart

@@ -28,6 +28,7 @@ void main() {
           ScoreComponent(
             points: Points.oneMillion,
             position: Vector2.zero(),
+            effectController: EffectController(duration: 1),
           ),
         );
       },
@@ -46,6 +47,7 @@ void main() {
           ScoreComponent(
             points: Points.oneMillion,
             position: Vector2.zero(),
+            effectController: EffectController(duration: 1),
           ),
         );
 
@@ -67,6 +69,7 @@ void main() {
           ScoreComponent(
             points: Points.oneMillion,
             position: Vector2.zero(),
+            effectController: EffectController(duration: 1),
           ),
         );
 
@@ -88,6 +91,7 @@ void main() {
             ScoreComponent(
               points: Points.fiveThousand,
               position: Vector2.zero(),
+              effectController: EffectController(duration: 1),
             ),
           );
 
@@ -113,6 +117,7 @@ void main() {
             ScoreComponent(
               points: Points.twentyThousand,
               position: Vector2.zero(),
+              effectController: EffectController(duration: 1),
             ),
           );
 
@@ -138,6 +143,7 @@ void main() {
             ScoreComponent(
               points: Points.twoHundredThousand,
               position: Vector2.zero(),
+              effectController: EffectController(duration: 1),
             ),
           );
 
@@ -163,6 +169,7 @@ void main() {
             ScoreComponent(
               points: Points.oneMillion,
               position: Vector2.zero(),
+              effectController: EffectController(duration: 1),
             ),
           );
 

packages/pinball_components/test/src/extensions/score_test.dart

@@ -0,0 +1,10 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+void main() {
+  group('ScoreX', () {
+    test('formatScore correctly formats int', () {
+      expect(1000000.formatScore(), '1,000,000');
+    });
+  });
+}

packages/pinball_flame/lib/pinball_flame.dart

@@ -4,5 +4,6 @@ export 'src/component_controller.dart';
 export 'src/contact_behavior.dart';
 export 'src/keyboard_input_controller.dart';
 export 'src/parent_is_a.dart';
+export 'src/pinball_forge2d_game.dart';
 export 'src/sprite_animation.dart';
 export 'src/z_canvas_component.dart';

packages/pinball_flame/lib/src/pinball_forge2d_game.dart

@@ -0,0 +1,44 @@
+import 'dart:math';
+
+import 'package:flame/game.dart';
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_forge2d/world_contact_listener.dart';
+
+// NOTE(wolfen): This should be removed when https://github.com/flame-engine/flame/pull/1597 is solved.
+/// {@template pinball_forge2d_game}
+/// A [Game] that uses the Forge2D physics engine.
+/// {@endtemplate}
+class PinballForge2DGame extends FlameGame implements Forge2DGame {
+  /// {@macro pinball_forge2d_game}
+  PinballForge2DGame({
+    required Vector2 gravity,
+  })  : world = World(gravity),
+        super(camera: Camera()) {
+    camera.zoom = Forge2DGame.defaultZoom;
+    world.setContactListener(WorldContactListener());
+  }
+
+  @override
+  final World world;
+
+  @override
+  void update(double dt) {
+    super.update(dt);
+    world.stepDt(min(dt, 1 / 60));
+  }
+
+  @override
+  Vector2 screenToFlameWorld(Vector2 position) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Vector2 screenToWorld(Vector2 position) {
+    throw UnimplementedError();
+  }
+
+  @override
+  Vector2 worldToScreen(Vector2 position) {
+    throw UnimplementedError();
+  }
+}

packages/pinball_flame/test/src/pinball_forge2d_game_test.dart

@@ -0,0 +1,51 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame/extensions.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_flame/pinball_flame.dart';
+
+void main() {
+  final flameTester = FlameTester(
+    () => PinballForge2DGame(gravity: Vector2.zero()),
+  );
+
+  group('PinballForge2DGame', () {
+    test('can instantiate', () {
+      expect(
+        () => PinballForge2DGame(gravity: Vector2.zero()),
+        returnsNormally,
+      );
+    });
+
+    flameTester.test(
+      'screenToFlameWorld throws UnimpelementedError',
+      (game) async {
+        expect(
+          () => game.screenToFlameWorld(Vector2.zero()),
+          throwsUnimplementedError,
+        );
+      },
+    );
+
+    flameTester.test(
+      'screenToWorld throws UnimpelementedError',
+      (game) async {
+        expect(
+          () => game.screenToWorld(Vector2.zero()),
+          throwsUnimplementedError,
+        );
+      },
+    );
+
+    flameTester.test(
+      'worldToScreen throws UnimpelementedError',
+      (game) async {
+        expect(
+          () => game.worldToScreen(Vector2.zero()),
+          throwsUnimplementedError,
+        );
+      },
+    );
+  });
+}

packages/pinball_ui/lib/src/theme/pinball_colors.dart

@@ -6,6 +6,7 @@ abstract class PinballColors {
   static const Color darkBlue = Color(0xFF0C32A4);
   static const Color yellow = Color(0xFFFFEE02);
   static const Color orange = Color(0xFFE5AB05);
+  static const Color red = Color(0xFFF03939);
   static const Color blue = Color(0xFF4B94F6);
   static const Color transparent = Color(0x00000000);
   static const Color loadingDarkRed = Color(0xFFE33B2D);

packages/pinball_ui/test/src/theme/pinball_colors_test.dart

@@ -20,6 +20,10 @@ void main() {
       expect(PinballColors.orange, const Color(0xFFE5AB05));
     });
 
+    test('red is 0xFFF03939', () {
+      expect(PinballColors.red, const Color(0xFFF03939));
+    });
+
     test('blue is 0xFF4B94F6', () {
       expect(PinballColors.blue, const Color(0xFF4B94F6));
     });