===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,232 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var AnswerButton = Container.expand(function () {
+	var self = Container.call(this);
+	var background = self.attachAsset('answerButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var answerText = new Text2('0', {
+		size: 80,
+		fill: 0xFFFFFF
+	});
+	answerText.anchor.set(0.5, 0.5);
+	self.addChild(answerText);
+	self.value = 0;
+	self.isCorrect = false;
+	self.background = background;
+	self.answerText = answerText;
+	self.setValue = function (value, correct) {
+		self.value = value;
+		self.isCorrect = correct;
+		self.answerText.setText(value.toString());
+	};
+	self.setCorrectStyle = function () {
+		self.removeChild(self.background);
+		self.background = self.attachAsset('answerButtonCorrect', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(self.background, 0);
+	};
+	self.setWrongStyle = function () {
+		self.removeChild(self.background);
+		self.background = self.attachAsset('answerButtonWrong', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(self.background, 0);
+	};
+	self.resetStyle = function () {
+		self.removeChild(self.background);
+		self.background = self.attachAsset('answerButton', {
+			anchorX: 0.5,
+			anchorY: 0.5
+		});
+		self.addChildAt(self.background, 0);
+	};
+	self.down = function (x, y, obj) {
+		if (self.isCorrect) {
+			self.setCorrectStyle();
+			LK.getSound('correct').play();
+			LK.setScore(LK.getScore() + 10 * streakMultiplier);
+			currentStreak++;
+			updateStreakMultiplier();
+			correctAnswers++;
+			generateNewProblem();
+		} else {
+			self.setWrongStyle();
+			LK.getSound('wrong').play();
+			wrongAnswers++;
+			currentStreak = 0;
+			updateStreakMultiplier();
+			if (wrongAnswers >= maxWrongAnswers) {
+				LK.showGameOver();
+			} else {
+				LK.setTimeout(function () {
+					generateNewProblem();
+				}, 1000);
+			}
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x4a90e2
+});
+
+/**** 
+* Game Code
+****/ 
+var currentNum1 = 0;
+var currentNum2 = 0;
+var correctAnswer = 0;
+var answerButtons = [];
+var currentStreak = 0;
+var streakMultiplier = 1;
+var wrongAnswers = 0;
+var correctAnswers = 0;
+var maxWrongAnswers = 3;
+var difficultyLevel = 1;
+// Create background
+var background = game.attachAsset('background', {
+	x: 0,
+	y: 0
+});
+// Create problem display area
+var problemArea = game.attachAsset('problemArea', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: 1024,
+	y: 400
+});
+// Create problem text
+var problemText = new Text2('5 + 3 = ?', {
+	size: 120,
+	fill: 0x333333
+});
+problemText.anchor.set(0.5, 0.5);
+problemArea.addChild(problemText);
+// Create answer buttons
+for (var i = 0; i < 4; i++) {
+	var button = new AnswerButton();
+	button.x = 300 + i % 2 * 450 + i % 2 * 150;
+	button.y = 800 + Math.floor(i / 2) * 200;
+	answerButtons.push(button);
+	game.addChild(button);
+}
+// Create score display
+var scoreText = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0, 0);
+scoreText.x = 150;
+scoreText.y = 150;
+LK.gui.topLeft.addChild(scoreText);
+// Create streak display
+var streakText = new Text2('Streak: 0x', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+streakText.anchor.set(1, 0);
+streakText.x = -50;
+streakText.y = 150;
+LK.gui.topRight.addChild(streakText);
+// Create wrong answers display
+var wrongText = new Text2('Wrong: 0/3', {
+	size: 40,
+	fill: 0xFFFFFF
+});
+wrongText.anchor.set(0.5, 0);
+wrongText.x = 0;
+wrongText.y = 220;
+LK.gui.top.addChild(wrongText);
+function generateNumbers() {
+	if (difficultyLevel === 1) {
+		// Single digit numbers
+		currentNum1 = Math.floor(Math.random() * 9) + 1;
+		currentNum2 = Math.floor(Math.random() * 9) + 1;
+	} else if (difficultyLevel === 2) {
+		// Double digit numbers
+		currentNum1 = Math.floor(Math.random() * 90) + 10;
+		currentNum2 = Math.floor(Math.random() * 90) + 10;
+	} else {
+		// Triple digit numbers
+		currentNum1 = Math.floor(Math.random() * 900) + 100;
+		currentNum2 = Math.floor(Math.random() * 900) + 100;
+	}
+	correctAnswer = currentNum1 + currentNum2;
+}
+function generateWrongAnswers() {
+	var wrongAnswers = [];
+	var attempts = 0;
+	while (wrongAnswers.length < 3 && attempts < 50) {
+		var wrongAnswer;
+		var variation = Math.floor(Math.random() * 20) + 1;
+		if (Math.random() < 0.5) {
+			wrongAnswer = correctAnswer + variation;
+		} else {
+			wrongAnswer = correctAnswer - variation;
+		}
+		if (wrongAnswer !== correctAnswer && wrongAnswer > 0 && wrongAnswers.indexOf(wrongAnswer) === -1) {
+			wrongAnswers.push(wrongAnswer);
+		}
+		attempts++;
+	}
+	return wrongAnswers;
+}
+function generateNewProblem() {
+	// Update difficulty based on correct answers
+	if (correctAnswers >= 10 && difficultyLevel < 2) {
+		difficultyLevel = 2;
+	} else if (correctAnswers >= 25 && difficultyLevel < 3) {
+		difficultyLevel = 3;
+	}
+	generateNumbers();
+	problemText.setText(currentNum1 + ' + ' + currentNum2 + ' = ?');
+	var wrongAnswersList = generateWrongAnswers();
+	var allAnswers = [correctAnswer].concat(wrongAnswersList);
+	// Shuffle answers
+	for (var i = allAnswers.length - 1; i > 0; i--) {
+		var j = Math.floor(Math.random() * (i + 1));
+		var temp = allAnswers[i];
+		allAnswers[i] = allAnswers[j];
+		allAnswers[j] = temp;
+	}
+	// Set button values
+	for (var i = 0; i < 4; i++) {
+		answerButtons[i].setValue(allAnswers[i], allAnswers[i] === correctAnswer);
+		answerButtons[i].resetStyle();
+	}
+	updateDisplay();
+}
+function updateStreakMultiplier() {
+	if (currentStreak >= 10) {
+		streakMultiplier = 3;
+	} else if (currentStreak >= 5) {
+		streakMultiplier = 2;
+	} else {
+		streakMultiplier = 1;
+	}
+}
+function updateDisplay() {
+	scoreText.setText('Score: ' + LK.getScore());
+	streakText.setText('Streak: ' + currentStreak + 'x' + streakMultiplier);
+	wrongText.setText('Wrong: ' + wrongAnswers + '/' + maxWrongAnswers);
+}
+// Initialize first problem
+generateNewProblem();
+game.update = function () {
+	// Game logic is handled by button events
+};
\ No newline at end of file