===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,245 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Obstacle = Container.expand(function (type) {
+	var self = Container.call(this);
+	var assetName = type || 'enemyCar';
+	var obstacleGraphics = self.attachAsset(assetName, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = gameSpeed;
+	self.type = type;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PlayerCar = Container.expand(function () {
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('playerCar', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.currentLane = 1; // 0 = left, 1 = center, 2 = right
+	self.targetX = 0;
+	self.moveSpeed = 15;
+	self.update = function () {
+		// Smooth movement towards target lane
+		if (Math.abs(self.x - self.targetX) > 5) {
+			if (self.x < self.targetX) {
+				self.x += self.moveSpeed;
+			} else {
+				self.x -= self.moveSpeed;
+			}
+		} else {
+			self.x = self.targetX;
+		}
+	};
+	self.moveToLane = function (lane) {
+		if (lane >= 0 && lane <= 2) {
+			self.currentLane = lane;
+			self.targetX = lanePositions[lane];
+		}
+	};
+	return self;
+});
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var powerUpGraphics = self.attachAsset('powerUp', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = gameSpeed;
+	self.collected = false;
+	self.update = function () {
+		self.y += self.speed;
+		// Rotate for visual effect
+		powerUpGraphics.rotation += 0.1;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+// Game constants
+var lanePositions = [2048 / 2 - 300, 2048 / 2, 2048 / 2 + 300];
+var gameSpeed = 8;
+var spawnRate = 0.02;
+var powerUpSpawnRate = 0.005;
+var difficultyIncrease = 0.0005;
+var invulnerableTime = 0;
+// Game variables
+var obstacles = [];
+var powerUps = [];
+var distanceScore = 0;
+var isGameRunning = true;
+// Create lane dividers
+var leftLane = LK.getAsset('lane', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: lanePositions[0] - 150,
+	y: 2732 / 2
+});
+var rightLane = LK.getAsset('lane', {
+	anchorX: 0.5,
+	anchorY: 0.5,
+	x: lanePositions[1] + 150,
+	y: 2732 / 2
+});
+game.addChild(leftLane);
+game.addChild(rightLane);
+// Create player car
+var playerCar = game.addChild(new PlayerCar());
+playerCar.x = lanePositions[1];
+playerCar.y = 2732 - 300;
+playerCar.targetX = lanePositions[1];
+// Create score display
+var scoreText = new Text2('0', {
+	size: 100,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+// Input handling
+game.down = function (x, y, obj) {
+	if (!isGameRunning) return;
+	// Left side tap - move left
+	if (x < 2048 / 2) {
+		if (playerCar.currentLane > 0) {
+			playerCar.moveToLane(playerCar.currentLane - 1);
+		}
+	}
+	// Right side tap - move right
+	else {
+		if (playerCar.currentLane < 2) {
+			playerCar.moveToLane(playerCar.currentLane + 1);
+		}
+	}
+};
+// Spawn obstacles
+function spawnObstacle() {
+	var obstacleType = Math.random() < 0.7 ? 'enemyCar' : 'barrier';
+	var obstacle = new Obstacle(obstacleType);
+	var lane = Math.floor(Math.random() * 3);
+	obstacle.x = lanePositions[lane];
+	obstacle.y = -100;
+	obstacle.speed = gameSpeed;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
+}
+// Spawn power-ups
+function spawnPowerUp() {
+	var powerUp = new PowerUp();
+	var lane = Math.floor(Math.random() * 3);
+	powerUp.x = lanePositions[lane];
+	powerUp.y = -100;
+	powerUp.speed = gameSpeed;
+	powerUps.push(powerUp);
+	game.addChild(powerUp);
+}
+// Check collisions
+function checkCollisions() {
+	// Check obstacle collisions
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		if (playerCar.intersects(obstacle) && invulnerableTime <= 0) {
+			// Game over
+			LK.getSound('crash').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			isGameRunning = false;
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Check power-up collisions
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		var powerUp = powerUps[i];
+		if (playerCar.intersects(powerUp) && !powerUp.collected) {
+			powerUp.collected = true;
+			LK.getSound('powerup').play();
+			LK.effects.flashObject(powerUp, 0xffffff, 300);
+			// Add bonus points
+			LK.setScore(LK.getScore() + 50);
+			// Grant temporary invulnerability
+			invulnerableTime = 120; // 2 seconds at 60fps
+			// Remove power-up
+			powerUp.destroy();
+			powerUps.splice(i, 1);
+		}
+	}
+}
+// Clean up off-screen objects
+function cleanupObjects() {
+	// Clean up obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		if (obstacle.y > 2732 + 100) {
+			obstacle.destroy();
+			obstacles.splice(i, 1);
+		}
+	}
+	// Clean up power-ups
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		var powerUp = powerUps[i];
+		if (powerUp.y > 2732 + 100) {
+			powerUp.destroy();
+			powerUps.splice(i, 1);
+		}
+	}
+}
+// Main game loop
+game.update = function () {
+	if (!isGameRunning) return;
+	// Update distance score
+	distanceScore += 1;
+	LK.setScore(Math.floor(distanceScore / 10));
+	scoreText.setText(LK.getScore());
+	// Decrease invulnerability timer
+	if (invulnerableTime > 0) {
+		invulnerableTime--;
+		// Flash player during invulnerability
+		if (invulnerableTime % 10 < 5) {
+			playerCar.alpha = 0.5;
+		} else {
+			playerCar.alpha = 1.0;
+		}
+	} else {
+		playerCar.alpha = 1.0;
+	}
+	// Spawn obstacles
+	if (Math.random() < spawnRate) {
+		spawnObstacle();
+	}
+	// Spawn power-ups
+	if (Math.random() < powerUpSpawnRate) {
+		spawnPowerUp();
+	}
+	// Increase difficulty over time
+	gameSpeed += difficultyIncrease;
+	spawnRate += difficultyIncrease * 0.5;
+	// Update obstacle speeds
+	for (var i = 0; i < obstacles.length; i++) {
+		obstacles[i].speed = gameSpeed;
+	}
+	for (var i = 0; i < powerUps.length; i++) {
+		powerUps[i].speed = gameSpeed;
+	}
+	// Check collisions
+	checkCollisions();
+	// Clean up off-screen objects
+	cleanupObjects();
+};
\ No newline at end of file