diff --git a/assets/images/components/spaceship-drop-tube.png b/assets/images/components/spaceship-drop-tube.png
new file mode 100644
index 00000000..4b299c2c
Binary files /dev/null and b/assets/images/components/spaceship-drop-tube.png differ
diff --git a/assets/images/components/spaceship_railing_bg.png b/assets/images/components/spaceship_railing_bg.png
new file mode 100644
index 00000000..2298f799
Binary files /dev/null and b/assets/images/components/spaceship_railing_bg.png differ
diff --git a/assets/images/components/spaceship_railing_fg.png b/assets/images/components/spaceship_railing_fg.png
new file mode 100644
index 00000000..e788fde0
Binary files /dev/null and b/assets/images/components/spaceship_railing_fg.png differ
diff --git a/assets/images/components/spaceship_ramp.png b/assets/images/components/spaceship_ramp.png
new file mode 100644
index 00000000..81498965
Binary files /dev/null and b/assets/images/components/spaceship_ramp.png differ
diff --git a/lib/flame/component_controller.dart b/lib/flame/component_controller.dart
index 851028f0..1d6e0173 100644
--- a/lib/flame/component_controller.dart
+++ b/lib/flame/component_controller.dart
@@ -23,6 +23,11 @@ abstract class ComponentController<T extends Component> extends Component {
     );
     await super.addToParent(parent);
   }
+
+  @override
+  Future<void> add(Component component) {
+    throw Exception('ComponentController cannot add other components.');
+  }
 }
 
 /// Mixin that attaches a single [ComponentController] to a [Component].
diff --git a/lib/game/components/components.dart b/lib/game/components/components.dart
index 99b7e608..b5aadc97 100644
--- a/lib/game/components/components.dart
+++ b/lib/game/components/components.dart
@@ -1,10 +1,9 @@
 export 'board.dart';
 export 'bonus_word.dart';
 export 'controlled_ball.dart';
-export 'flipper_controller.dart';
+export 'controlled_flipper.dart';
 export 'flutter_forest.dart';
 export 'jetpack_ramp.dart';
-export 'kicker.dart';
 export 'launcher_ramp.dart';
 export 'plunger.dart';
 export 'score_points.dart';
diff --git a/lib/game/components/flipper_controller.dart b/lib/game/components/controlled_flipper.dart
similarity index 100%
rename from lib/game/components/flipper_controller.dart
rename to lib/game/components/controlled_flipper.dart
diff --git a/lib/game/components/jetpack_ramp.dart b/lib/game/components/jetpack_ramp.dart
index aa5a9dbd..34b00dd4 100644
--- a/lib/game/components/jetpack_ramp.dart
+++ b/lib/game/components/jetpack_ramp.dart
@@ -2,45 +2,52 @@
 
 import 'dart:math' as math;
 
-import 'package:flame/extensions.dart';
+import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
-import 'package:flutter/material.dart';
 import 'package:pinball/game/game.dart';
-import 'package:pinball_components/pinball_components.dart';
+import 'package:pinball/gen/assets.gen.dart';
+import 'package:pinball_components/pinball_components.dart' hide Assets;
 
 /// A [Blueprint] which creates the [JetpackRamp].
 class Jetpack extends Forge2DBlueprint {
+  /// {@macro spaceship}
+  Jetpack();
+
+  static const int ballPriorityInsideRamp = 4;
+
   @override
   void build(_) {
-    final position = Vector2(
-      BoardDimensions.bounds.left + 40.5,
-      BoardDimensions.bounds.top - 31.5,
-    );
-
     addAllContactCallback([
       RampOpeningBallContactCallback<_JetpackRampOpening>(),
     ]);
 
     final rightOpening = _JetpackRampOpening(
+      // TODO(ruimiguel): set Board priority when defined.
+      outsidePriority: 1,
       rotation: math.pi,
     )
-      ..initialPosition = position + Vector2(12.9, -20)
+      ..initialPosition = Vector2(1.7, 19)
       ..layer = Layer.opening;
     final leftOpening = _JetpackRampOpening(
       outsideLayer: Layer.spaceship,
+      outsidePriority: Spaceship.ballPriorityWhenOnSpaceship,
       rotation: math.pi,
     )
-      ..initialPosition = position + Vector2(-2.5, -20)
+      ..initialPosition = Vector2(-13.7, 19)
       ..layer = Layer.jetpack;
 
-    final jetpackRamp = JetpackRamp()
-      ..initialPosition = position + Vector2(5, -20.2)
-      ..layer = Layer.jetpack;
+    final jetpackRamp = JetpackRamp();
+
+    final jetpackRampWallFg = _JetpackRampForegroundRailing();
+
+    final baseRight = _JetpackBase()..initialPosition = Vector2(1.7, 20);
 
     addAll([
       rightOpening,
       leftOpening,
+      baseRight,
       jetpackRamp,
+      jetpackRampWallFg,
     ]);
   }
 }
@@ -49,42 +56,129 @@ class Jetpack extends Forge2DBlueprint {
 /// Represents the upper left blue ramp of the [Board].
 /// {@endtemplate}
 class JetpackRamp extends BodyComponent with InitialPosition, Layered {
-  JetpackRamp() : super(priority: 2) {
+  JetpackRamp() : super(priority: Jetpack.ballPriorityInsideRamp - 1) {
     layer = Layer.jetpack;
-    paint = Paint()
-      ..color = const Color.fromARGB(255, 8, 218, 241)
-      ..style = PaintingStyle.stroke;
   }
 
-  /// Radius of the external arc.
-  static const _externalRadius = 18.0;
-
   /// Width between walls of the ramp.
   static const width = 5.0;
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];
 
-    final externalCurveShape = ArcShape(
-      center: initialPosition,
-      arcRadius: _externalRadius,
-      angle: math.pi,
-      rotation: math.pi,
+    final outerLeftCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(-30.95, 38),
+        Vector2(-32.5, 71.25),
+        Vector2(-14.2, 71.25),
+      ],
+    );
+
+    final outerLeftCurveFixtureDef = FixtureDef(outerLeftCurveShape);
+    fixturesDef.add(outerLeftCurveFixtureDef);
+
+    final outerRightCurveShape = BezierCurveShape(
+      controlPoints: [
+        outerLeftCurveShape.vertices.last,
+        Vector2(4.7, 71.25),
+        Vector2(6.3, 40),
+      ],
+    );
+
+    final outerRightCurveFixtureDef = FixtureDef(outerRightCurveShape);
+    fixturesDef.add(outerRightCurveFixtureDef);
+
+    return fixturesDef;
+  }
+
+  @override
+  Body createBody() {
+    renderBody = false;
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition;
+
+    final body = world.createBody(bodyDef);
+    _createFixtureDefs().forEach(body.createFixture);
+
+    return body;
+  }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    await _loadSprites();
+  }
+
+  Future<void> _loadSprites() async {
+    final spriteRamp = await gameRef.loadSprite(
+      Assets.images.components.spaceshipRamp.path,
+    );
+
+    final spriteRampComponent = SpriteComponent(
+      sprite: spriteRamp,
+      size: Vector2(38.1, 33.8),
+      anchor: Anchor.center,
+      position: Vector2(-12.2, -53.5),
+    );
+
+    final spriteRailingBg = await gameRef.loadSprite(
+      Assets.images.components.spaceshipRailingBg.path,
+    );
+    final spriteRailingBgComponent = SpriteComponent(
+      sprite: spriteRailingBg,
+      size: Vector2(38.3, 35.1),
+      anchor: Anchor.center,
+      position: spriteRampComponent.position + Vector2(0, -1),
     );
-    final externalFixtureDef = FixtureDef(externalCurveShape);
-    fixturesDef.add(externalFixtureDef);
 
-    final internalCurveShape = externalCurveShape.copyWith(
-      arcRadius: _externalRadius - width,
+    await addAll([
+      spriteRailingBgComponent,
+      spriteRampComponent,
+    ]);
+  }
+}
+
+class _JetpackRampForegroundRailing extends BodyComponent
+    with InitialPosition, Layered {
+  _JetpackRampForegroundRailing()
+      : super(priority: Jetpack.ballPriorityInsideRamp + 1) {
+    layer = Layer.jetpack;
+  }
+
+  List<FixtureDef> _createFixtureDefs() {
+    final fixturesDef = <FixtureDef>[];
+
+    final innerLeftCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(-24.5, 38),
+        Vector2(-26.3, 64),
+        Vector2(-13.8, 64.5),
+      ],
     );
-    final internalFixtureDef = FixtureDef(internalCurveShape);
-    fixturesDef.add(internalFixtureDef);
+
+    final innerLeftCurveFixtureDef = FixtureDef(innerLeftCurveShape);
+    fixturesDef.add(innerLeftCurveFixtureDef);
+
+    final innerRightCurveShape = BezierCurveShape(
+      controlPoints: [
+        innerLeftCurveShape.vertices.last,
+        Vector2(-1, 64.5),
+        Vector2(0.1, 39.5),
+      ],
+    );
+
+    final innerRightCurveFixtureDef = FixtureDef(innerRightCurveShape);
+    fixturesDef.add(innerRightCurveFixtureDef);
 
     return fixturesDef;
   }
 
   @override
   Body createBody() {
+    renderBody = false;
+
     final bodyDef = BodyDef()
       ..userData = this
       ..position = initialPosition;
@@ -94,6 +188,56 @@ class JetpackRamp extends BodyComponent with InitialPosition, Layered {
 
     return body;
   }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    await _loadSprites();
+  }
+
+  Future<void> _loadSprites() async {
+    final spriteRailingFg = await gameRef.loadSprite(
+      Assets.images.components.spaceshipRailingFg.path,
+    );
+    final spriteRailingFgComponent = SpriteComponent(
+      sprite: spriteRailingFg,
+      size: Vector2(26.1, 28.3),
+      anchor: Anchor.center,
+      position: Vector2(-12.2, -52.5),
+    );
+
+    await add(spriteRailingFgComponent);
+  }
+}
+
+class _JetpackBase extends BodyComponent with InitialPosition, Layered {
+  _JetpackBase() {
+    layer = Layer.board;
+  }
+
+  @override
+  Body createBody() {
+    renderBody = false;
+
+    const baseWidth = 6;
+    final baseShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(initialPosition.x - baseWidth / 2, initialPosition.y),
+        Vector2(initialPosition.x - baseWidth / 2, initialPosition.y) +
+            Vector2(2, 2),
+        Vector2(initialPosition.x + baseWidth / 2, initialPosition.y) +
+            Vector2(-2, 2),
+        Vector2(initialPosition.x + baseWidth / 2, initialPosition.y)
+      ],
+    );
+    final fixtureDef = FixtureDef(baseShape);
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
 }
 
 /// {@template jetpack_ramp_opening}
@@ -104,12 +248,15 @@ class _JetpackRampOpening extends RampOpening {
   /// {@macro jetpack_ramp_opening}
   _JetpackRampOpening({
     Layer? outsideLayer,
+    int? outsidePriority,
     required double rotation,
   })  : _rotation = rotation,
         super(
           insideLayer: Layer.jetpack,
           outsideLayer: outsideLayer,
           orientation: RampOrientation.down,
+          insidePriority: Jetpack.ballPriorityInsideRamp,
+          outsidePriority: outsidePriority,
         );
 
   final double _rotation;
@@ -117,11 +264,14 @@ class _JetpackRampOpening extends RampOpening {
   static final Vector2 _size = Vector2(JetpackRamp.width / 4, .1);
 
   @override
-  Shape get shape => PolygonShape()
-    ..setAsBox(
-      _size.x,
-      _size.y,
-      initialPosition,
-      _rotation,
-    );
+  Shape get shape {
+    renderBody = false;
+    return PolygonShape()
+      ..setAsBox(
+        _size.x,
+        _size.y,
+        initialPosition,
+        _rotation,
+      );
+  }
 }
diff --git a/lib/game/components/launcher_ramp.dart b/lib/game/components/launcher_ramp.dart
index c05f8aa2..5c071f4f 100644
--- a/lib/game/components/launcher_ramp.dart
+++ b/lib/game/components/launcher_ramp.dart
@@ -124,6 +124,7 @@ class _LauncherRampOpening extends RampOpening {
         super(
           insideLayer: Layer.launcher,
           orientation: RampOrientation.down,
+          insidePriority: 3,
         );
 
   final double _rotation;
diff --git a/lib/game/components/spaceship_exit_rail.dart b/lib/game/components/spaceship_exit_rail.dart
index 4a6c44cd..e4be9b31 100644
--- a/lib/game/components/spaceship_exit_rail.dart
+++ b/lib/game/components/spaceship_exit_rail.dart
@@ -1,10 +1,10 @@
 // ignore_for_file: avoid_renaming_method_parameters
 
 import 'dart:math' as math;
-import 'dart:ui';
 
-import 'package:flame/extensions.dart';
+import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:pinball/gen/assets.gen.dart';
 import 'package:pinball_components/pinball_components.dart' hide Assets;
 
 /// {@template spaceship_exit_rail}
@@ -12,10 +12,10 @@ import 'package:pinball_components/pinball_components.dart' hide Assets;
 /// {@endtemplate}
 class SpaceshipExitRail extends Forge2DBlueprint {
   /// {@macro spaceship_exit_rail}
-  SpaceshipExitRail({required this.position});
+  SpaceshipExitRail();
 
-  /// The [position] where the elements will be created
-  final Vector2 position;
+  /// Base priority for wall while be on jetpack ramp.
+  static const ballPriorityWhenOnSpaceshipExitRail = 2;
 
   @override
   void build(_) {
@@ -23,127 +23,101 @@ class SpaceshipExitRail extends Forge2DBlueprint {
       SpaceshipExitRailEndBallContactCallback(),
     ]);
 
-    final spaceshipExitRailRamp = _SpaceshipExitRailRamp()
-      ..initialPosition = position;
-    final exitRail = SpaceshipExitRailEnd()
-      ..initialPosition = position + _SpaceshipExitRailRamp.exitPoint;
+    final exitRailRamp = _SpaceshipExitRailRamp();
+    final exitRailEnd = SpaceshipExitRailEnd();
+    final topBase = _SpaceshipExitRailBase(radius: 0.55)
+      ..initialPosition = Vector2(-26.15, 18.65);
+    final bottomBase = _SpaceshipExitRailBase(radius: 0.8)
+      ..initialPosition = Vector2(-25.5, -12.9);
 
     addAll([
-      spaceshipExitRailRamp,
-      exitRail,
+      exitRailRamp,
+      exitRailEnd,
+      topBase,
+      bottomBase,
     ]);
   }
 }
 
 class _SpaceshipExitRailRamp extends BodyComponent
     with InitialPosition, Layered {
-  _SpaceshipExitRailRamp() : super(priority: 2) {
+  _SpaceshipExitRailRamp()
+      : super(
+          priority: SpaceshipExitRail.ballPriorityWhenOnSpaceshipExitRail - 1,
+        ) {
+    renderBody = false;
     layer = Layer.spaceshipExitRail;
-    // TODO(ruimiguel): remove color once asset is placed.
-    paint = Paint()
-      ..color = const Color.fromARGB(255, 249, 65, 3)
-      ..style = PaintingStyle.stroke;
   }
 
-  static final exitPoint = Vector2(9.2, -48.5);
-
   List<FixtureDef> _createFixtureDefs() {
-    const entranceRotationAngle = 175 * math.pi / 180;
-    const curveRotationAngle = 275 * math.pi / 180;
-    const exitRotationAngle = 340 * math.pi / 180;
-    const width = 5.5;
-
     final fixturesDefs = <FixtureDef>[];
 
-    final entranceWall = ArcShape(
-      center: Vector2(width / 2, 0),
-      arcRadius: width / 2,
+    final topArcShape = ArcShape(
+      center: Vector2(-35.5, 30.9),
+      arcRadius: 2.5,
       angle: math.pi,
-      rotation: entranceRotationAngle,
+      rotation: 2.9,
     );
-    final entranceFixtureDef = FixtureDef(entranceWall);
-    fixturesDefs.add(entranceFixtureDef);
-
-    final topLeftControlPoints = [
-      Vector2(0, 0),
-      Vector2(10, .5),
-      Vector2(7, 4),
-      Vector2(15.5, 8.3),
-    ];
+    final topArcFixtureDef = FixtureDef(topArcShape);
+    fixturesDefs.add(topArcFixtureDef);
+
     final topLeftCurveShape = BezierCurveShape(
-      controlPoints: topLeftControlPoints,
-    )..rotate(curveRotationAngle);
-    final topLeftFixtureDef = FixtureDef(topLeftCurveShape);
-    fixturesDefs.add(topLeftFixtureDef);
-
-    final topRightControlPoints = [
-      Vector2(0, width),
-      Vector2(10, 6.5),
-      Vector2(7, 10),
-      Vector2(15.5, 13.2),
-    ];
-    final topRightCurveShape = BezierCurveShape(
-      controlPoints: topRightControlPoints,
-    )..rotate(curveRotationAngle);
-    final topRightFixtureDef = FixtureDef(topRightCurveShape);
-    fixturesDefs.add(topRightFixtureDef);
-
-    final mediumLeftControlPoints = [
-      topLeftControlPoints.last,
-      Vector2(21, 12.9),
-      Vector2(30, 7.1),
-      Vector2(32, 4.8),
-    ];
-    final mediumLeftCurveShape = BezierCurveShape(
-      controlPoints: mediumLeftControlPoints,
-    )..rotate(curveRotationAngle);
-    final mediumLeftFixtureDef = FixtureDef(mediumLeftCurveShape);
-    fixturesDefs.add(mediumLeftFixtureDef);
-
-    final mediumRightControlPoints = [
-      topRightControlPoints.last,
-      Vector2(21, 17.2),
-      Vector2(30, 12.1),
-      Vector2(32, 10.2),
-    ];
-    final mediumRightCurveShape = BezierCurveShape(
-      controlPoints: mediumRightControlPoints,
-    )..rotate(curveRotationAngle);
-    final mediumRightFixtureDef = FixtureDef(mediumRightCurveShape);
-    fixturesDefs.add(mediumRightFixtureDef);
-
-    final bottomLeftControlPoints = [
-      mediumLeftControlPoints.last,
-      Vector2(40, -1),
-      Vector2(48, 1.9),
-      Vector2(50.5, 2.5),
-    ];
+      controlPoints: [
+        Vector2(-37.9, 30.4),
+        Vector2(-38, 23.9),
+        Vector2(-30.93, 18.2),
+      ],
+    );
+    final topLeftCurveFixtureDef = FixtureDef(topLeftCurveShape);
+    fixturesDefs.add(topLeftCurveFixtureDef);
+
+    final middleLeftCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(-30.93, 18.2),
+        Vector2(-22.6, 10.3),
+        Vector2(-30, 0.2),
+      ],
+    );
+    final middleLeftCurveFixtureDef = FixtureDef(middleLeftCurveShape);
+    fixturesDefs.add(middleLeftCurveFixtureDef);
+
     final bottomLeftCurveShape = BezierCurveShape(
-      controlPoints: bottomLeftControlPoints,
-    )..rotate(curveRotationAngle);
-    final bottomLeftFixtureDef = FixtureDef(bottomLeftCurveShape);
-    fixturesDefs.add(bottomLeftFixtureDef);
-
-    final bottomRightControlPoints = [
-      mediumRightControlPoints.last,
-      Vector2(40, 4),
-      Vector2(46, 6.5),
-      Vector2(48.8, 7.6),
-    ];
+      controlPoints: [
+        Vector2(-30, 0.2),
+        Vector2(-36, -8.6),
+        Vector2(-32.04, -18.3),
+      ],
+    );
+    final bottomLeftCurveFixtureDef = FixtureDef(bottomLeftCurveShape);
+    fixturesDefs.add(bottomLeftCurveFixtureDef);
+
+    final topRightStraightShape = EdgeShape()
+      ..set(
+        Vector2(-33, 31.3),
+        Vector2(-27.2, 21.3),
+      );
+    final topRightStraightFixtureDef = FixtureDef(topRightStraightShape);
+    fixturesDefs.add(topRightStraightFixtureDef);
+
+    final middleRightCurveShape = BezierCurveShape(
+      controlPoints: [
+        Vector2(-27.2, 21.3),
+        Vector2(-16.5, 11.4),
+        Vector2(-25.29, -1.7),
+      ],
+    );
+    final middleRightCurveFixtureDef = FixtureDef(middleRightCurveShape);
+    fixturesDefs.add(middleRightCurveFixtureDef);
+
     final bottomRightCurveShape = BezierCurveShape(
-      controlPoints: bottomRightControlPoints,
-    )..rotate(curveRotationAngle);
-    final bottomRightFixtureDef = FixtureDef(bottomRightCurveShape);
-    fixturesDefs.add(bottomRightFixtureDef);
-
-    final exitWall = ArcShape(
-      center: exitPoint,
-      arcRadius: width / 2,
-      angle: math.pi,
-      rotation: exitRotationAngle,
+      controlPoints: [
+        Vector2(-25.29, -1.7),
+        Vector2(-29.91, -8.5),
+        Vector2(-26.8, -15.7),
+      ],
     );
-    final exitFixtureDef = FixtureDef(exitWall);
-    fixturesDefs.add(exitFixtureDef);
+    final bottomRightCurveFixtureDef = FixtureDef(bottomRightCurveShape);
+    fixturesDefs.add(bottomRightCurveFixtureDef);
 
     return fixturesDefs;
   }
@@ -159,6 +133,52 @@ class _SpaceshipExitRailRamp extends BodyComponent
 
     return body;
   }
+
+  @override
+  Future<void> onLoad() async {
+    await super.onLoad();
+    await _loadSprite();
+  }
+
+  Future<void> _loadSprite() async {
+    final sprite = await gameRef.loadSprite(
+      Assets.images.components.spaceshipDropTube.path,
+    );
+    final spriteComponent = SpriteComponent(
+      sprite: sprite,
+      size: Vector2(17.5, 55.7),
+      anchor: Anchor.center,
+      position: Vector2(-29.4, -5.7),
+    );
+
+    await add(spriteComponent);
+  }
+}
+
+class _SpaceshipExitRailBase extends BodyComponent
+    with InitialPosition, Layered {
+  _SpaceshipExitRailBase({required this.radius})
+      : super(
+          priority: SpaceshipExitRail.ballPriorityWhenOnSpaceshipExitRail + 1,
+        ) {
+    renderBody = false;
+    layer = Layer.board;
+  }
+
+  final double radius;
+
+  @override
+  Body createBody() {
+    final shape = CircleShape()..radius = radius;
+
+    final fixtureDef = FixtureDef(shape);
+
+    final bodyDef = BodyDef()
+      ..position = initialPosition
+      ..userData = this;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
 }
 
 /// {@template spaceship_exit_rail_end}
@@ -171,13 +191,20 @@ class SpaceshipExitRailEnd extends RampOpening {
       : super(
           insideLayer: Layer.spaceshipExitRail,
           orientation: RampOrientation.down,
+          insidePriority: 3,
         ) {
+    renderBody = false;
     layer = Layer.spaceshipExitRail;
   }
 
   @override
   Shape get shape {
-    return CircleShape()..radius = 1;
+    return ArcShape(
+      center: Vector2(-29, -17.8),
+      arcRadius: 2.5,
+      angle: math.pi * 0.8,
+      rotation: -0.16,
+    );
   }
 }
 
@@ -191,8 +218,7 @@ class SpaceshipExitRailEndBallContactCallback
   @override
   void begin(SpaceshipExitRailEnd exitRail, Ball ball, _) {
     ball
-      ..priority = 1
-      ..gameRef.reorderChildren()
+      ..sendTo(exitRail.outsidePriority)
       ..layer = exitRail.outsideLayer;
   }
 }
diff --git a/lib/game/game_assets.dart b/lib/game/game_assets.dart
index cc8aac9c..dcb740a1 100644
--- a/lib/game/game_assets.dart
+++ b/lib/game/game_assets.dart
@@ -22,6 +22,10 @@ extension PinballGameAssetsX on PinballGame {
       images.load(components.Assets.images.dashBumper.main.active.keyName),
       images.load(components.Assets.images.dashBumper.main.inactive.keyName),
       images.load(Assets.images.components.background.path),
+      images.load(Assets.images.components.spaceshipRamp.path),
+      images.load(Assets.images.components.spaceshipRailingBg.path),
+      images.load(Assets.images.components.spaceshipRailingFg.path),
+      images.load(Assets.images.components.spaceshipDropTube.path),
     ]);
   }
 }
diff --git a/lib/game/pinball_game.dart b/lib/game/pinball_game.dart
index b5162053..095a5f53 100644
--- a/lib/game/pinball_game.dart
+++ b/lib/game/pinball_game.dart
@@ -45,9 +45,7 @@ class PinballGame extends Forge2DGame
     );
     unawaited(
       addFromBlueprint(
-        SpaceshipExitRail(
-          position: Vector2(-34.3, 23.8),
-        ),
+        SpaceshipExitRail(),
       ),
     );
 
@@ -94,7 +92,9 @@ class PinballGame extends Forge2DGame
   }
 
   Future<void> _addPaths() async {
-    unawaited(addFromBlueprint(Jetpack()));
+    unawaited(
+      addFromBlueprint(Jetpack()),
+    );
     unawaited(addFromBlueprint(Launcher()));
   }
 
diff --git a/lib/gen/assets.gen.dart b/lib/gen/assets.gen.dart
index 97be7f3e..7796df34 100644
--- a/lib/gen/assets.gen.dart
+++ b/lib/gen/assets.gen.dart
@@ -20,6 +20,22 @@ class $AssetsImagesComponentsGen {
   /// File path: assets/images/components/background.png
   AssetGenImage get background =>
       const AssetGenImage('assets/images/components/background.png');
+
+  /// File path: assets/images/components/spaceship-drop-tube.png
+  AssetGenImage get spaceshipDropTube =>
+      const AssetGenImage('assets/images/components/spaceship-drop-tube.png');
+
+  /// File path: assets/images/components/spaceship_railing_bg.png
+  AssetGenImage get spaceshipRailingBg =>
+      const AssetGenImage('assets/images/components/spaceship_railing_bg.png');
+
+  /// File path: assets/images/components/spaceship_railing_fg.png
+  AssetGenImage get spaceshipRailingFg =>
+      const AssetGenImage('assets/images/components/spaceship_railing_fg.png');
+
+  /// File path: assets/images/components/spaceship_ramp.png
+  AssetGenImage get spaceshipRamp =>
+      const AssetGenImage('assets/images/components/spaceship_ramp.png');
 }
 
 class Assets {
diff --git a/packages/geometry/test/src/geometry_test.dart b/packages/geometry/test/src/geometry_test.dart
index e702f043..eb5e8d74 100644
--- a/packages/geometry/test/src/geometry_test.dart
+++ b/packages/geometry/test/src/geometry_test.dart
@@ -114,9 +114,9 @@ void main() {
           Vector2(0, 0),
           Vector2(10, 10),
         ],
-        step: 0.001,
+        step: 0.02,
       );
-      expect(points.length, 1000);
+      expect(points.length, 50);
     });
   });
 
diff --git a/packages/pinball_components/lib/src/components/ball.dart b/packages/pinball_components/lib/src/components/ball.dart
index b62ceeba..892936f9 100644
--- a/packages/pinball_components/lib/src/components/ball.dart
+++ b/packages/pinball_components/lib/src/components/ball.dart
@@ -83,8 +83,9 @@ class Ball<T extends Forge2DGame> extends BodyComponent<T>
       final direction = body.linearVelocity.normalized();
       final effect = FireEffect(
         burstPower: _boostTimer,
-        direction: direction,
-        position: body.position,
+        direction: -direction,
+        position: Vector2(body.position.x, -body.position.y),
+        priority: priority - 1,
       );
 
       unawaited(gameRef.add(effect));
diff --git a/packages/pinball_components/lib/src/components/components.dart b/packages/pinball_components/lib/src/components/components.dart
index b6dd4f7c..87e8c054 100644
--- a/packages/pinball_components/lib/src/components/components.dart
+++ b/packages/pinball_components/lib/src/components/components.dart
@@ -10,6 +10,7 @@ export 'flipper.dart';
 export 'flutter_sign_post.dart';
 export 'initial_position.dart';
 export 'joint_anchor.dart';
+export 'kicker.dart';
 export 'layer.dart';
 export 'ramp_opening.dart';
 export 'shapes/shapes.dart';
diff --git a/packages/pinball_components/lib/src/components/fire_effect.dart b/packages/pinball_components/lib/src/components/fire_effect.dart
index 0a7cef2b..cf8c3707 100644
--- a/packages/pinball_components/lib/src/components/fire_effect.dart
+++ b/packages/pinball_components/lib/src/components/fire_effect.dart
@@ -1,5 +1,6 @@
 import 'dart:math' as math;
 
+import 'package:flame/components.dart';
 import 'package:flame/extensions.dart';
 import 'package:flame/particles.dart';
 import 'package:flame_forge2d/flame_forge2d.dart' hide Particle;
@@ -19,33 +20,24 @@ const _particleRadius = 0.25;
 /// A [BodyComponent] which creates a fire trail effect using the given
 /// parameters
 /// {@endtemplate}
-class FireEffect extends BodyComponent {
+class FireEffect extends ParticleSystemComponent {
   /// {@macro fire_effect}
   FireEffect({
     required this.burstPower,
-    required this.position,
     required this.direction,
-  });
+    Vector2? position,
+    int? priority,
+  }) : super(
+          position: position,
+          priority: priority,
+        );
 
   /// A [double] value that will define how "strong" the burst of particles
-  /// will be
+  /// will be.
   final double burstPower;
 
-  /// The position of the burst
-  final Vector2 position;
-
-  /// Which direction the burst will aim
+  /// Which direction the burst will aim.
   final Vector2 direction;
-  late Particle _particle;
-
-  @override
-  Body createBody() {
-    final bodyDef = BodyDef()..position = position;
-
-    final fixtureDef = FixtureDef(CircleShape()..radius = 0)..isSensor = true;
-
-    return world.createBody(bodyDef)..createFixture(fixtureDef);
-  }
 
   @override
   Future<void> onLoad() async {
@@ -71,15 +63,15 @@ class FireEffect extends BodyComponent {
         );
       }),
     ];
-    final rng = math.Random();
+    final random = math.Random();
     final spreadTween = Tween<double>(begin: -0.2, end: 0.2);
 
-    _particle = Particle.generate(
-      count: (rng.nextDouble() * (burstPower * 10)).toInt(),
+    particle = Particle.generate(
+      count: math.max((random.nextDouble() * (burstPower * 10)).toInt(), 1),
       generator: (_) {
         final spread = Vector2(
-          spreadTween.transform(rng.nextDouble()),
-          spreadTween.transform(rng.nextDouble()),
+          spreadTween.transform(random.nextDouble()),
+          spreadTween.transform(random.nextDouble()),
         );
         final finalDirection = Vector2(direction.x, -direction.y) + spread;
         final speed = finalDirection * (burstPower * 20);
@@ -88,26 +80,9 @@ class FireEffect extends BodyComponent {
           lifespan: 5 / burstPower,
           position: Vector2.zero(),
           speed: speed,
-          child: children[rng.nextInt(children.length)],
+          child: children[random.nextInt(children.length)],
         );
       },
     );
   }
-
-  @override
-  void update(double dt) {
-    super.update(dt);
-    _particle.update(dt);
-
-    if (_particle.shouldRemove) {
-      removeFromParent();
-    }
-  }
-
-  @override
-  void render(Canvas canvas) {
-    super.render(canvas);
-
-    _particle.render(canvas);
-  }
 }
diff --git a/lib/game/components/kicker.dart b/packages/pinball_components/lib/src/components/kicker.dart
similarity index 100%
rename from lib/game/components/kicker.dart
rename to packages/pinball_components/lib/src/components/kicker.dart
diff --git a/packages/pinball_components/lib/src/components/spaceship.dart b/packages/pinball_components/lib/src/components/spaceship.dart
index 4d84eb68..588c0e33 100644
--- a/packages/pinball_components/lib/src/components/spaceship.dart
+++ b/packages/pinball_components/lib/src/components/spaceship.dart
@@ -185,8 +185,9 @@ class SpaceshipHole extends RampOpening {
       : super(
           insideLayer: Layer.spaceship,
           outsideLayer: outsideLayer,
-          outsidePriority: outsidePriority,
           orientation: RampOrientation.up,
+          insidePriority: 4,
+          outsidePriority: outsidePriority,
         ) {
     renderBody = false;
     layer = Layer.spaceship;
@@ -195,8 +196,8 @@ class SpaceshipHole extends RampOpening {
   @override
   Shape get shape {
     return ArcShape(
-      center: Vector2(0, 4.2),
-      arcRadius: 6,
+      center: Vector2(0, 3.2),
+      arcRadius: 5,
       angle: 1,
       rotation: 60 * pi / 180,
     );
diff --git a/packages/pinball_components/sandbox/lib/stories/effects/fire_effect.dart b/packages/pinball_components/sandbox/lib/stories/effects/fire_effect.dart
index 9f066952..1262af11 100644
--- a/packages/pinball_components/sandbox/lib/stories/effects/fire_effect.dart
+++ b/packages/pinball_components/sandbox/lib/stories/effects/fire_effect.dart
@@ -34,7 +34,6 @@ class _EffectEmitter extends Component {
       add(
         FireEffect(
           burstPower: (_timer / _timerLimit) * _force,
-          position: Vector2.zero(),
           direction: _direction,
         ),
       );
diff --git a/packages/pinball_components/sandbox/lib/stories/flipper/basic.dart b/packages/pinball_components/sandbox/lib/stories/flipper/basic.dart
index 0e5587ea..d31515de 100644
--- a/packages/pinball_components/sandbox/lib/stories/flipper/basic.dart
+++ b/packages/pinball_components/sandbox/lib/stories/flipper/basic.dart
@@ -1,21 +1,39 @@
-import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame/input.dart';
+import 'package:flutter/material.dart';
+import 'package:flutter/services.dart';
 import 'package:pinball_components/pinball_components.dart';
-import 'package:sandbox/common/common.dart';
 
-class BasicFlipperGame extends BasicGame {
+import 'package:sandbox/stories/ball/basic.dart';
+
+class BasicFlipperGame extends BasicBallGame with KeyboardEvents {
+  BasicFlipperGame() : super(color: Colors.blue);
+
   static const info = '''
       Basic example of how a Flipper works.
 ''';
 
+  static const _leftFlipperKeys = [
+    LogicalKeyboardKey.arrowLeft,
+    LogicalKeyboardKey.keyA,
+  ];
+
+  static const _rightFlipperKeys = [
+    LogicalKeyboardKey.arrowRight,
+    LogicalKeyboardKey.keyD,
+  ];
+
+  late Flipper leftFlipper;
+  late Flipper rightFlipper;
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
 
     final center = screenToWorld(camera.viewport.canvasSize! / 2);
 
-    final leftFlipper = Flipper(side: BoardSide.left)
+    leftFlipper = Flipper(side: BoardSide.left)
       ..initialPosition = center - Vector2(Flipper.size.x, 0);
-    final rightFlipper = Flipper(side: BoardSide.right)
+    rightFlipper = Flipper(side: BoardSide.right)
       ..initialPosition = center + Vector2(Flipper.size.x, 0);
 
     await addAll([
@@ -23,4 +41,32 @@ class BasicFlipperGame extends BasicGame {
       rightFlipper,
     ]);
   }
+
+  @override
+  KeyEventResult onKeyEvent(
+    RawKeyEvent event,
+    Set<LogicalKeyboardKey> keysPressed,
+  ) {
+    final movedLeftFlipper = _leftFlipperKeys.contains(event.logicalKey);
+    if (movedLeftFlipper) {
+      if (event is RawKeyDownEvent) {
+        leftFlipper.moveUp();
+      } else if (event is RawKeyUpEvent) {
+        leftFlipper.moveDown();
+      }
+    }
+
+    final movedRightFlipper = _rightFlipperKeys.contains(event.logicalKey);
+    if (movedRightFlipper) {
+      if (event is RawKeyDownEvent) {
+        rightFlipper.moveUp();
+      } else if (event is RawKeyUpEvent) {
+        rightFlipper.moveDown();
+      }
+    }
+
+    return movedLeftFlipper || movedRightFlipper
+        ? KeyEventResult.handled
+        : KeyEventResult.ignored;
+  }
 }
diff --git a/packages/pinball_components/sandbox/lib/stories/flipper/tracing.dart b/packages/pinball_components/sandbox/lib/stories/flipper/tracing.dart
index d6c5d3df..9b5802f8 100644
--- a/packages/pinball_components/sandbox/lib/stories/flipper/tracing.dart
+++ b/packages/pinball_components/sandbox/lib/stories/flipper/tracing.dart
@@ -3,10 +3,9 @@ import 'dart:async';
 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:sandbox/common/common.dart';
+import 'package:sandbox/stories/flipper/basic.dart';
 
-class FlipperTracingGame extends BasicGame {
+class FlipperTracingGame extends BasicFlipperGame {
   static const info = '''
       Basic example of how the Flipper body overlays the sprite.
 ''';
@@ -14,17 +13,6 @@ class FlipperTracingGame extends BasicGame {
   @override
   Future<void> onLoad() async {
     await super.onLoad();
-    final center = screenToWorld(camera.viewport.canvasSize! / 2);
-
-    final leftFlipper = Flipper(side: BoardSide.left)
-      ..initialPosition = center - Vector2(Flipper.size.x, 0);
-    final rightFlipper = Flipper(side: BoardSide.right)
-      ..initialPosition = center + Vector2(Flipper.size.x, 0);
-
-    await addAll([
-      leftFlipper,
-      rightFlipper,
-    ]);
     leftFlipper.trace();
     rightFlipper.trace();
   }
@@ -37,7 +25,6 @@ extension on BodyComponent {
     body.joints.whereType<RevoluteJoint>().forEach(
           (joint) => joint.setLimits(0, 0),
         );
-    body.setType(BodyType.static);
 
     unawaited(
       mounted.whenComplete(() {
diff --git a/packages/pinball_components/test/helpers/mocks.dart b/packages/pinball_components/test/helpers/mocks.dart
index c36afff2..7771d1e1 100644
--- a/packages/pinball_components/test/helpers/mocks.dart
+++ b/packages/pinball_components/test/helpers/mocks.dart
@@ -1,12 +1,8 @@
-import 'dart:ui';
-
 import 'package:flame/components.dart';
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:mocktail/mocktail.dart';
 import 'package:pinball_components/pinball_components.dart';
 
-class MockCanvas extends Mock implements Canvas {}
-
 class MockFilter extends Mock implements Filter {}
 
 class MockFixture extends Mock implements Fixture {}
diff --git a/packages/pinball_components/test/src/components/fire_effect_test.dart b/packages/pinball_components/test/src/components/fire_effect_test.dart
index 7bc62212..2c404747 100644
--- a/packages/pinball_components/test/src/components/fire_effect_test.dart
+++ b/packages/pinball_components/test/src/components/fire_effect_test.dart
@@ -1,11 +1,8 @@
 // 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:mocktail/mocktail.dart';
 import 'package:pinball_components/pinball_components.dart';
 
 import '../../helpers/helpers.dart';
@@ -14,43 +11,16 @@ void main() {
   TestWidgetsFlutterBinding.ensureInitialized();
   final flameTester = FlameTester(TestGame.new);
 
-  setUpAll(() {
-    registerFallbackValue(Offset.zero);
-    registerFallbackValue(Paint());
-  });
-
-  group('FireEffect', () {
-    flameTester.test('is removed once its particles are done', (game) async {
-      await game.ensureAdd(
-        FireEffect(
-          burstPower: 1,
-          position: Vector2.zero(),
-          direction: Vector2.all(2),
-        ),
-      );
-      await game.ready();
-      expect(game.children.whereType<FireEffect>().length, equals(1));
-      game.update(5);
-
-      await game.ready();
-      expect(game.children.whereType<FireEffect>().length, equals(0));
-    });
-
-    flameTester.test('render circles on the canvas', (game) async {
-      final effect = FireEffect(
+  flameTester.test(
+    'loads correctly',
+    (game) async {
+      final fireEffect = FireEffect(
         burstPower: 1,
-        position: Vector2.zero(),
-        direction: Vector2.all(2),
+        direction: Vector2.zero(),
       );
-      await game.ensureAdd(effect);
-      await game.ready();
-
-      final canvas = MockCanvas();
-      effect.render(canvas);
+      await game.ensureAdd(fireEffect);
 
-      verify(() => canvas.drawCircle(any(), any(), any())).called(
-        greaterThan(0),
-      );
-    });
-  });
+      expect(game.contains(fireEffect), isTrue);
+    },
+  );
 }
diff --git a/test/game/components/kicker_test.dart b/packages/pinball_components/test/src/components/kicker_test.dart
similarity index 97%
rename from test/game/components/kicker_test.dart
rename to packages/pinball_components/test/src/components/kicker_test.dart
index 333c7fbe..4af7b8b1 100644
--- a/test/game/components/kicker_test.dart
+++ b/packages/pinball_components/test/src/components/kicker_test.dart
@@ -3,7 +3,6 @@
 import 'package:flame_forge2d/flame_forge2d.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_test/flutter_test.dart';
-import 'package:pinball/game/game.dart';
 import 'package:pinball_components/pinball_components.dart';
 
 void main() {
diff --git a/test/flame/component_controller_test.dart b/test/flame/component_controller_test.dart
index 4e5da210..e1973274 100644
--- a/test/flame/component_controller_test.dart
+++ b/test/flame/component_controller_test.dart
@@ -31,6 +31,7 @@ void main() {
         );
       },
     );
+
     flameTester.test(
       'throws AssertionError when not attached to controlled component',
       (game) async {
@@ -44,6 +45,35 @@ void main() {
         );
       },
     );
+
+    flameTester.test(
+      'throws Exception when adding a component',
+      (game) async {
+        final component = ControlledComponent();
+        final controller = TestComponentController(component);
+
+        await expectLater(
+          () async => controller.add(Component()),
+          throwsException,
+        );
+      },
+    );
+
+    flameTester.test(
+      'throws Exception when adding multiple components',
+      (game) async {
+        final component = ControlledComponent();
+        final controller = TestComponentController(component);
+
+        await expectLater(
+          () async => controller.addAll([
+            Component(),
+            Component(),
+          ]),
+          throwsException,
+        );
+      },
+    );
   });
 
   group('Controls', () {
diff --git a/test/game/components/bonus_word_test.dart b/test/game/components/bonus_word_test.dart
index f48d60ee..7d73b6bc 100644
--- a/test/game/components/bonus_word_test.dart
+++ b/test/game/components/bonus_word_test.dart
@@ -196,10 +196,10 @@ void main() {
     group('bonus letter activation', () {
       late GameBloc gameBloc;
 
-      final tester = flameBlocTester<PinballGame>(
+      final flameBlocTester = FlameBlocTester<PinballGame, GameBloc>(
         // TODO(alestiago): Use TestGame once BonusLetter has controller.
-        game: PinballGameTest.create,
-        gameBloc: () => gameBloc,
+        gameBuilder: PinballGameTest.create,
+        blocBuilder: () => gameBloc,
       );
 
       setUp(() {
@@ -211,7 +211,7 @@ void main() {
         );
       });
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'adds BonusLetterActivated to GameBloc when not activated',
         setUp: (game, tester) async {
           await game.ready();
@@ -225,7 +225,7 @@ void main() {
         },
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         "doesn't add BonusLetterActivated to GameBloc when already activated",
         setUp: (game, tester) async {
           const state = GameState(
@@ -253,7 +253,7 @@ void main() {
         },
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'adds a ColorEffect',
         setUp: (game, tester) async {
           const state = GameState(
@@ -284,7 +284,7 @@ void main() {
         },
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'only listens when there is a change on the letter status',
         setUp: (game, tester) async {
           await game.ready();
diff --git a/test/game/components/controlled_ball_test.dart b/test/game/components/controlled_ball_test.dart
index dcd075ca..8417aa25 100644
--- a/test/game/components/controlled_ball_test.dart
+++ b/test/game/components/controlled_ball_test.dart
@@ -66,12 +66,12 @@ void main() {
         );
       });
 
-      final tester = flameBlocTester<PinballGame>(
-        game: PinballGameTest.create,
-        gameBloc: () => gameBloc,
+      final flameBlocTester = FlameBlocTester<PinballGame, GameBloc>(
+        gameBuilder: PinballGameTest.create,
+        blocBuilder: () => gameBloc,
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'lost adds BallLost to GameBloc',
         setUp: (game, tester) async {
           final controller = LaunchedBallController(ball);
@@ -86,7 +86,7 @@ void main() {
       );
 
       group('listenWhen', () {
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'listens when a ball has been lost',
           setUp: (game, tester) async {
             final controller = LaunchedBallController(ball);
@@ -107,7 +107,7 @@ void main() {
           },
         );
 
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'does not listen when a ball has not been lost',
           setUp: (game, tester) async {
             final controller = LaunchedBallController(ball);
@@ -130,7 +130,7 @@ void main() {
       });
 
       group('onNewState', () {
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'removes ball',
           setUp: (game, tester) async {
             final controller = LaunchedBallController(ball);
@@ -147,7 +147,7 @@ void main() {
           },
         );
 
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'spawns a new ball when the ball is not the last one',
           setUp: (game, tester) async {
             final controller = LaunchedBallController(ball);
@@ -168,7 +168,7 @@ void main() {
           },
         );
 
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'does not spawn a new ball is the last one',
           setUp: (game, tester) async {
             final controller = LaunchedBallController(ball);
diff --git a/test/game/components/flipper_controller_test.dart b/test/game/components/controlled_flipper_test.dart
similarity index 100%
rename from test/game/components/flipper_controller_test.dart
rename to test/game/components/controlled_flipper_test.dart
diff --git a/test/game/components/flutter_forest_test.dart b/test/game/components/flutter_forest_test.dart
index a0e1b81f..33dbb991 100644
--- a/test/game/components/flutter_forest_test.dart
+++ b/test/game/components/flutter_forest_test.dart
@@ -86,12 +86,12 @@ void main() {
     group('controller', () {
       group('listenWhen', () {
         final gameBloc = MockGameBloc();
-        final tester = flameBlocTester(
-          game: TestGame.new,
-          gameBloc: () => gameBloc,
+        final flameBlocTester = FlameBlocTester<TestGame, GameBloc>(
+          gameBuilder: TestGame.new,
+          blocBuilder: () => gameBloc,
         );
 
-        tester.testGameWidget(
+        flameBlocTester.testGameWidget(
           'listens when a Bonus.dashNest is added',
           verify: (game, tester) async {
             final flutterForest = FlutterForest();
@@ -145,12 +145,12 @@ void main() {
         );
       });
 
-      final tester = flameBlocTester<PinballGame>(
-        game: PinballGameTest.create,
-        gameBloc: () => gameBloc,
+      final flameBlocTester = FlameBlocTester<PinballGame, GameBloc>(
+        gameBuilder: PinballGameTest.create,
+        blocBuilder: () => gameBloc,
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'add DashNestActivated event',
         setUp: (game, tester) async {
           await game.ready();
@@ -171,7 +171,7 @@ void main() {
         },
       );
 
-      tester.testGameWidget(
+      flameBlocTester.testGameWidget(
         'add Scored event',
         setUp: (game, tester) async {
           final flutterForest = FlutterForest();
diff --git a/test/game/components/spaceship_exit_rail_test.dart b/test/game/components/spaceship_exit_rail_test.dart
index 99afc808..edd81aab 100644
--- a/test/game/components/spaceship_exit_rail_test.dart
+++ b/test/game/components/spaceship_exit_rail_test.dart
@@ -31,29 +31,33 @@ void main() {
       when(() => fixture.filterData).thenReturn(filterData);
     });
 
+    // TODO(alestiago): Make ContactCallback private and use `beginContact`
+    // instead.
     group('SpaceshipExitHoleBallContactCallback', () {
-      test('changes the ball priority on contact', () {
+      setUp(() {
+        when(() => ball.priority).thenReturn(1);
         when(() => exitRailEnd.outsideLayer).thenReturn(Layer.board);
+        when(() => exitRailEnd.outsidePriority).thenReturn(0);
+      });
 
+      test('changes the ball priority on contact', () {
         SpaceshipExitRailEndBallContactCallback().begin(
           exitRailEnd,
           ball,
           MockContact(),
         );
 
-        verify(() => ball.priority = 1).called(1);
+        verify(() => ball.sendTo(exitRailEnd.outsidePriority)).called(1);
       });
 
-      test('reorders the game children', () {
-        when(() => exitRailEnd.outsideLayer).thenReturn(Layer.board);
-
+      test('changes the ball layer on contact', () {
         SpaceshipExitRailEndBallContactCallback().begin(
           exitRailEnd,
           ball,
           MockContact(),
         );
 
-        verify(game.reorderChildren).called(1);
+        verify(() => ball.layer = exitRailEnd.outsideLayer).called(1);
       });
     });
   });
diff --git a/test/helpers/builders.dart b/test/helpers/builders.dart
index 970dd12b..f78aebe7 100644
--- a/test/helpers/builders.dart
+++ b/test/helpers/builders.dart
@@ -1,21 +1,21 @@
-import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame/src/game/flame_game.dart';
 import 'package:flame_test/flame_test.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
-import 'package:pinball/game/game.dart';
 
-FlameTester<T> flameBlocTester<T extends Forge2DGame>({
-  required T Function() game,
-  required GameBloc Function() gameBloc,
-}) {
-  return FlameTester<T>(
-    game,
-    pumpWidget: (gameWidget, tester) async {
-      await tester.pumpWidget(
-        BlocProvider.value(
-          value: gameBloc(),
-          child: gameWidget,
-        ),
-      );
-    },
-  );
+class FlameBlocTester<T extends FlameGame, B extends Bloc<dynamic, dynamic>>
+    extends FlameTester<T> {
+  FlameBlocTester({
+    required GameCreateFunction<T> gameBuilder,
+    required B Function() blocBuilder,
+  }) : super(
+          gameBuilder,
+          pumpWidget: (gameWidget, tester) async {
+            await tester.pumpWidget(
+              BlocProvider.value(
+                value: blocBuilder(),
+                child: gameWidget,
+              ),
+            );
+          },
+        );
 }