diff --git a/quiz-app/src/assets/translations/kr.json b/quiz-app/src/assets/translations/kr.json
index 5e908dc1..fa839c77 100644
--- a/quiz-app/src/assets/translations/kr.json
+++ b/quiz-app/src/assets/translations/kr.json
@@ -1486,56 +1486,44 @@
 			},
 			{
 				"id": 29,
-				"title": "Lesson 15 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 15 - 스페이스 게임 - 소개: 강의 전 퀴즈",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "JavaScript is an unpopular language for building games",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Pub/Sub is a preferred pattern for managing the game's assets and flow",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Object inheritance can be handled by either using classes or composition",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1543,56 +1531,48 @@
 			},
 			{
 				"id": 30,
-				"title": "Lesson 15 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 15 - 스페이스 게임 - 소개: 강의 후 퀴즈",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "Classes rely on inheritance to ascribe to behaviors",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Composition is the preferred design pattern for game objects",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Pub/Sub stands for:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Publish/Subscribe",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Print/Staple",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Publish/Sanitize",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1600,56 +1580,44 @@
 			},
 			{
 				"id": 31,
-				"title": "Lesson 16 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 16 - 스페이스 게임 - Canvas에 영웅과 몬스터 그리기: 강의 전 퀴즈",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "The Canvas element is what you use to draw on a screen",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You can only draw simple geometric shapes using the Canvas API",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "The point 0,0 is in the bottom left",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					}
@@ -1657,56 +1625,48 @@
 			},
 			{
 				"id": 32,
-				"title": "Lesson 16 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 16 - 스페이스 게임 - Canvas에 영웅과 몬스터 그리기: 강의 후 퀴즈",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "You can perform drawing operations directly on the Canvas",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You listen to the onload event to know when an image has loaded asynchronously",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You draw images onto a screen with an operation called:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "paintImage()",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "drawImage()",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "draw()",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1714,56 +1674,48 @@
 			},
 			{
 				"id": 33,
-				"title": "Lesson 17 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 17 - Space Game - Adding Motion: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "Any object on the screen can receive keyboard events",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You can use the same method to listen to key events and mouse events",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "To make things happen at a regular interval, you use what function?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "setInterval()",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "setTimeout()",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "sleep()",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1771,56 +1723,52 @@
 			},
 			{
 				"id": 34,
-				"title": "Lesson 17 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 17 - Space Game - Adding Motion: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "You always need to redraw the screen",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What is a game loop?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A function that ensures the game can be restarted",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A function that decided how fast the game should run",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A function that is invoked at regular intervals and draws what the user should see",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "A good case for redrawing the screen is",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A user interaction happened",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Something has moved",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Time has passed",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1828,56 +1776,52 @@
 			},
 			{
 				"id": 35,
-				"title": "Lesson 18 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 18 - Space Game - Adding A Laser and Detecting Collisions: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "Collision detection is how we detect if two things have collided",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "How can we remove an item from the screen?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Call the garbage collector",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Mark it as dead, only paint not dead objects next time we draw the screen",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Place the item on a negative coordinate",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "A good way to simulate firing a laser in JavaScript is:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "make a visual element respond to a key event",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "create animated gifs",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "make enemies blow up at intervals",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1885,56 +1829,52 @@
 			},
 			{
 				"id": 36,
-				"title": "Lesson 18 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 18 - Space Game - Adding A Laser and Detecting Collisions: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "In collision detection you compare two",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "circles and whether they intersect",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "rectangles and whether they intersect",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "distances between two points",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "The reason for implementing a cooldown effect is because",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Making the game harder as you can't repeatedly fire a laser to destroy enemies",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "JavaScript can only produce a certain number of events per time unit, so you need to limit them",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Constants are identifiable in code because",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "they are written in capital letters",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "they have specific names",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "they are written in kebab-case like-this",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1942,56 +1882,52 @@
 			},
 			{
 				"id": 37,
-				"title": "Lesson 19 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 19 - Space Game - Scoring and Lives: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "How do you draw text on a screen using the Canvas element?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Place text inside a div or span element",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Call drawText() on the Canvas element",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Call fillText() on the context object",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Why do you have the concept of 'lives' in a game?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "To show how much damage you can take",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "So that the game doesn't end straight away, but you have n number of chances before the game is over",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Add color to text on Canvas using",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "fillColor",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "fillStyle",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "textAlign",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -1999,56 +1935,52 @@
 			},
 			{
 				"id": 38,
-				"title": "Lesson 19 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 19 - Space Game - Scoring and Lives: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "What's a fun way to show how many lives a player has left?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "a number of ships",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "a points system",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "How do you center text in the middle of the screen using the Canvas element?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "You use Flexbox",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "You instruct the text to be drawn at the x coordinate of the client window width/2",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "You set the textAlign property to the value center on the context object",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "In code, deduct a life like this:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "this.life-",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "this.life--",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "this.life++",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2056,56 +1988,52 @@
 			},
 			{
 				"id": 39,
-				"title": "Lesson 20 - 스페이스 게임: 강의 전 퀴즈",
+				"title": "Lesson 20 - Space Game - End and Restart: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "When is a good time to restart a game",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "when a player wins or loses",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "whenever",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "When should a game end",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "when an enemy ship is destroyed",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "when a hero ship is destroyed",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "when points are collected",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "A good way to add a level to your game is:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Increment the amount of points necessary to complete a given level",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Add more players to the game",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Add more graphics to the game",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2113,56 +2041,52 @@
 			},
 			{
 				"id": 40,
-				"title": "Lesson 20 - 스페이스 게임: 강의 후 퀴즈",
+				"title": "Lesson 20 - Space Game - End and Restart: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "What is a good pattern to use when a game end condition has been met?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Display a suitable message",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Quit the game",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Display a suitable message, offer the player to restart, and display what key to hit for that action",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You should offer a restart only when the game has ended",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "A good way to clear the EventEmitter when ending a game is:",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "clearing listeners",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "clearing the screen",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "closing the game window",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2170,56 +2094,48 @@
 			},
 			{
 				"id": 41,
-				"title": "Lesson 21 - 은행 프로젝트: 강의 전 퀴즈",
+				"title": "Lesson 21 - Bank Project - HTML Templates and Routes in a Web App: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "You need to create multiple HTML files to display different screens in a web app",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "You can store and persist data locally in a web app",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What's the best data provider for a web app?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A local database",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A JavaScript object",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A server with a JSON API",
+								"isCorrect": "true"
 							}
 						]
 					}
@@ -2227,56 +2143,52 @@
 			},
 			{
 				"id": 42,
-				"title": "Lesson 21 - 은행 프로젝트: 강의 후 퀴즈",
+				"title": "Lesson 21 - Bank Project HTML Templates and Routes in a Web App: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "HTML templates are part of the DOM by default",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Which part of the URL is needed for routing?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "window.location.pathname",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "window.location.origin",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "both",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What's the name of the event triggered when calling the history.pushState() function?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "pushstate",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "popstate",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "navigate",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2284,56 +2196,44 @@
 			},
 			{
 				"id": 43,
-				"title": "Lesson 22 - 은행 프로젝트: 강의 전 퀴즈",
+				"title": "Lesson 22 - Bank Project - Build a Login and Registration Form: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "HTML forms allow to send user input to a server without using JavaScript",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "<label> elements are mandatory for every form control",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "It is secure to send form data to a server over HTTP",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					}
@@ -2341,56 +2241,52 @@
 			},
 			{
 				"id": 44,
-				"title": "Lesson 22 - 은행 프로젝트: 강의 후 퀴즈",
+				"title": "Lesson 22 - Bank Project - Build a Login and Registration Form: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "Using <label> elements in forms is only for making the form pretty",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "How can you define how a form is sent to the server?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "using the action attribute",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "using the method attribute",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "both",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Which attribute can you use to set the maximum size of a text <input>?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "max",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "maxlength",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "pattern",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2398,56 +2294,48 @@
 			},
 			{
 				"id": 45,
-				"title": "Lesson 23 - 은행 프로젝트: 강의 전 퀴즈",
+				"title": "Lesson 23 - Bank Project - Methods of Fetching and Using Data: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "You can fetch data from a server synchronously in a browser",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What's the most common format used to exchange data on the web?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "HTML",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "XML",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "JSON",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "There's no way to prevent a web page from accessing a public server API",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					}
@@ -2455,56 +2343,52 @@
 			},
 			{
 				"id": 46,
-				"title": "Lesson 23 - 은행 프로젝트: 강의 전 퀴즈",
+				"title": "Lesson 23 - Bank Project Methods of Fetching and Using Data: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "In a Single-page application, the HTML is loaded once and never updated",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Why is it important to not trust data coming from user input?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "because using special characters can make the UI ugly.",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "because it can contain non-sense or offensive words.",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "because it can be used as vector of attack to execute malicious scripts.",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What's the API name for sending asynchronous HTTP requests to a web server?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "request()",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "fetch()",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "ajax()",
+								"isCorrect": "false"
 							}
 						]
 					}
@@ -2512,56 +2396,56 @@
 			},
 			{
 				"id": 47,
-				"title": "Lesson 24 - 은행 프로젝트: 강의 전 퀴즈",
+				"title": "Lesson 24 - Bank Project - Concepts of State Management: Pre-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "What is an immutable object?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "An object defined as a constant",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "An object that cannot be modified after it's created",
+								"isCorrect": "true"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "A copy of an existing object",
+								"isCorrect": "false"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What benefit(s) do you get from using state management?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "You can keep track of every place the state is updated",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "It's easier to debug the code",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "All of the above",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "What's the best way to persist critical user data across different sessions?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Using files",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Using the browser's localStorage API",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "In a database behind a server API",
+								"isCorrect": "true"
 							}
 						]
 					}
@@ -2569,56 +2453,52 @@
 			},
 			{
 				"id": 48,
-				"title": "Lesson 24 - 은행 프로젝트: 강의 후 퀴즈",
+				"title": "Lesson 24 - Bank Project - Concepts of State Management: Post-Lecture Quiz",
 				"quiz": [
 					{
-						"questionText": "",
+						"questionText": "What do you think state management means?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Enforcement of law & order",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Logging the user interface state over time",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Keeping your app data flows clean and synchronizing the user interface with data",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "How can you keep track of the user session state?",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "HTTP cookies",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "Local or session storage",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "All of the above",
+								"isCorrect": "true"
 							}
 						]
 					},
 					{
-						"questionText": "",
+						"questionText": "Mutating an object is always the best way to update it",
 						"answerOptions": [
 							{
-								"answerText": "",
-								"isCorrect": ""
-							},
-							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "true",
+								"isCorrect": "false"
 							},
 							{
-								"answerText": "",
-								"isCorrect": ""
+								"answerText": "false",
+								"isCorrect": "true"
 							}
 						]
 					}