===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,265 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var AnswerButton = Container.expand(function () {
+	var self = Container.call(this);
+	var buttonBg = self.attachAsset('answerButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.buttonText = new Text2('', {
+		size: 28,
+		fill: '#ffffff'
+	});
+	self.buttonText.anchor.set(0.5, 0.5);
+	self.addChild(self.buttonText);
+	self.isCorrect = false;
+	self.isClicked = false;
+	self.setText = function (text) {
+		self.buttonText.setText(text);
+	};
+	self.setCorrect = function (correct) {
+		self.isCorrect = correct;
+	};
+	self.showResult = function () {
+		if (self.isCorrect) {
+			self.removeChild(buttonBg);
+			var correctBg = self.attachAsset('correctButton', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			self.addChildAt(correctBg, 0);
+		} else {
+			self.removeChild(buttonBg);
+			var wrongBg = self.attachAsset('wrongButton', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			self.addChildAt(wrongBg, 0);
+		}
+	};
+	self.down = function (x, y, obj) {
+		if (self.isClicked) return;
+		self.isClicked = true;
+		if (self.isCorrect) {
+			LK.getSound('correct').play();
+			LK.setScore(LK.getScore() + 1);
+			scoreText.setText('Score: ' + LK.getScore());
+		} else {
+			LK.getSound('wrong').play();
+		}
+		for (var i = 0; i < answerButtons.length; i++) {
+			answerButtons[i].showResult();
+		}
+		LK.setTimeout(function () {
+			nextCard();
+		}, 1500);
+	};
+	return self;
+});
+var ScratchCard = Container.expand(function () {
+	var self = Container.call(this);
+	var cardBack = self.attachAsset('cardBack', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var cardFront = self.attachAsset('cardFront', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var scratchOverlay = self.attachAsset('scratchOverlay', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.questionText = new Text2('', {
+		size: 32,
+		fill: '#000000'
+	});
+	self.questionText.anchor.set(0.5, 0.5);
+	self.addChild(self.questionText);
+	self.isScratched = false;
+	self.scratchedAreas = [];
+	self.question = '';
+	self.answers = [];
+	self.correctAnswer = 0;
+	self.isRevealed = false;
+	self.setQuestion = function (question, answers, correctIndex) {
+		self.question = question;
+		self.answers = answers;
+		self.correctAnswer = correctIndex;
+		self.questionText.setText(question);
+		self.questionText.alpha = 0;
+	};
+	self.scratch = function (x, y) {
+		if (self.isRevealed) return;
+		var localPos = self.toLocal({
+			x: x,
+			y: y
+		});
+		if (Math.abs(localPos.x) < 300 && Math.abs(localPos.y) < 200) {
+			self.scratchedAreas.push({
+				x: localPos.x,
+				y: localPos.y
+			});
+			if (self.scratchedAreas.length > 15) {
+				self.revealQuestion();
+			} else {
+				var scratchProgress = self.scratchedAreas.length / 15;
+				scratchOverlay.alpha = 1 - scratchProgress;
+				self.questionText.alpha = scratchProgress * 0.8;
+			}
+			LK.getSound('scratch').play();
+		}
+	};
+	self.revealQuestion = function () {
+		self.isRevealed = true;
+		scratchOverlay.alpha = 0;
+		self.questionText.alpha = 1;
+		tween(self.questionText, {
+			scaleX: 1.1,
+			scaleY: 1.1
+		}, {
+			duration: 200,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				tween(self.questionText, {
+					scaleX: 1,
+					scaleY: 1
+				}, {
+					duration: 200,
+					easing: tween.easeIn
+				});
+			}
+		});
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2196F3
+});
+
+/**** 
+* Game Code
+****/ 
+var questions = [{
+	question: "What is the capital of France?",
+	answers: ["London", "Paris", "Berlin"],
+	correct: 1
+}, {
+	question: "Which planet is closest to the Sun?",
+	answers: ["Venus", "Mercury", "Mars"],
+	correct: 1
+}, {
+	question: "What is 2 + 2?",
+	answers: ["3", "4", "5"],
+	correct: 1
+}, {
+	question: "Which animal is known as the King of the Jungle?",
+	answers: ["Tiger", "Lion", "Elephant"],
+	correct: 1
+}, {
+	question: "What color do you get when you mix red and blue?",
+	answers: ["Purple", "Green", "Orange"],
+	correct: 0
+}, {
+	question: "How many continents are there?",
+	answers: ["5", "6", "7"],
+	correct: 2
+}, {
+	question: "Which is the largest ocean?",
+	answers: ["Atlantic", "Pacific", "Indian"],
+	correct: 1
+}, {
+	question: "What is the fastest land animal?",
+	answers: ["Cheetah", "Lion", "Horse"],
+	correct: 0
+}];
+var currentCard = null;
+var answerButtons = [];
+var currentQuestionIndex = 0;
+var isAnswering = false;
+var scoreText = new Text2('Score: 0', {
+	size: 48,
+	fill: '#ffffff'
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var instructionText = new Text2('Scratch the card to reveal the question!', {
+	size: 36,
+	fill: '#ffffff'
+});
+instructionText.anchor.set(0.5, 0);
+instructionText.y = 100;
+LK.gui.top.addChild(instructionText);
+function createNewCard() {
+	if (currentQuestionIndex >= questions.length) {
+		LK.setTimeout(function () {
+			LK.showYouWin();
+		}, 1000);
+		return;
+	}
+	var questionData = questions[currentQuestionIndex];
+	currentCard = new ScratchCard();
+	currentCard.x = 2048 / 2;
+	currentCard.y = 2732 / 2 - 100;
+	currentCard.setQuestion(questionData.question, questionData.answers, questionData.correct);
+	game.addChild(currentCard);
+	isAnswering = false;
+	instructionText.setText('Scratch the card to reveal the question!');
+}
+function createAnswerButtons() {
+	var questionData = questions[currentQuestionIndex];
+	for (var i = 0; i < 3; i++) {
+		var button = new AnswerButton();
+		button.x = 2048 / 2;
+		button.y = 2732 / 2 + 200 + i * 120;
+		button.setText(questionData.answers[i]);
+		button.setCorrect(i === questionData.correct);
+		answerButtons.push(button);
+		game.addChild(button);
+	}
+	isAnswering = true;
+	instructionText.setText('Tap the correct answer!');
+}
+function nextCard() {
+	if (currentCard) {
+		currentCard.destroy();
+		currentCard = null;
+	}
+	for (var i = 0; i < answerButtons.length; i++) {
+		answerButtons[i].destroy();
+	}
+	answerButtons = [];
+	currentQuestionIndex++;
+	createNewCard();
+}
+var isDragging = false;
+game.move = function (x, y, obj) {
+	if (isDragging && currentCard && !currentCard.isRevealed) {
+		currentCard.scratch(x, y);
+	}
+};
+game.down = function (x, y, obj) {
+	if (currentCard && !currentCard.isRevealed && !isAnswering) {
+		isDragging = true;
+		currentCard.scratch(x, y);
+	}
+};
+game.up = function (x, y, obj) {
+	isDragging = false;
+};
+game.update = function () {
+	if (currentCard && currentCard.isRevealed && answerButtons.length === 0 && !isAnswering) {
+		createAnswerButtons();
+	}
+};
+createNewCard();
\ No newline at end of file