===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,263 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Coin = Container.expand(function () {
+	var self = Container.call(this);
+	var coinGraphics = self.attachAsset('coin', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	self.rotationSpeed = 0.1;
+	self.update = function () {
+		self.y += self.speed;
+		coinGraphics.rotation += self.rotationSpeed;
+	};
+	return self;
+});
+var EnemyCar = Container.expand(function (carType) {
+	var self = Container.call(this);
+	var assetName = carType || 'enemyCar1';
+	var carGraphics = self.attachAsset(assetName, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6 + Math.random() * 4;
+	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.targetX = 0;
+	self.speed = 8;
+	self.update = function () {
+		// Smooth movement towards target position
+		var diff = self.targetX - self.x;
+		if (Math.abs(diff) > 2) {
+			self.x += diff * 0.15;
+		} else {
+			self.x = self.targetX;
+		}
+	};
+	return self;
+});
+var RoadLine = Container.expand(function () {
+	var self = Container.call(this);
+	var lineGraphics = self.attachAsset('roadLine', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 12;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+// Highway lanes positions
+var lanePositions = [512, 768, 1024, 1280, 1536];
+var currentLane = 2; // Start in middle lane
+// Game objects arrays
+var enemyCars = [];
+var coins = [];
+var roadLines = [];
+// Game variables
+var gameSpeed = 1;
+var spawnTimer = 0;
+var coinSpawnTimer = 0;
+var roadLineTimer = 0;
+var survivalTime = 0;
+// Create player car
+var playerCar = game.addChild(new PlayerCar());
+playerCar.x = lanePositions[currentLane];
+playerCar.y = 2400;
+playerCar.targetX = playerCar.x;
+// UI Elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: '#ffffff'
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var speedTxt = new Text2('Speed: 1x', {
+	size: 60,
+	fill: '#ffffff'
+});
+speedTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(speedTxt);
+// Touch/drag handling
+var dragStartX = 0;
+var isDragging = false;
+function handleMove(x, y, obj) {
+	if (isDragging) {
+		var deltaX = x - dragStartX;
+		var newLane = Math.round((playerCar.x + deltaX - lanePositions[0]) / (lanePositions[1] - lanePositions[0]));
+		newLane = Math.max(0, Math.min(4, newLane));
+		playerCar.targetX = lanePositions[newLane];
+		currentLane = newLane;
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	isDragging = true;
+	dragStartX = x;
+};
+game.up = function (x, y, obj) {
+	isDragging = false;
+};
+// Spawn enemy car
+function spawnEnemyCar() {
+	var carTypes = ['enemyCar1', 'enemyCar2', 'enemyCar3'];
+	var carType = carTypes[Math.floor(Math.random() * carTypes.length)];
+	var enemy = new EnemyCar(carType);
+	var availableLanes = [];
+	for (var i = 0; i < lanePositions.length; i++) {
+		var tooClose = false;
+		for (var j = 0; j < enemyCars.length; j++) {
+			if (Math.abs(enemyCars[j].x - lanePositions[i]) < 50 && enemyCars[j].y < 300) {
+				tooClose = true;
+				break;
+			}
+		}
+		if (!tooClose) {
+			availableLanes.push(i);
+		}
+	}
+	if (availableLanes.length > 0) {
+		var laneIndex = availableLanes[Math.floor(Math.random() * availableLanes.length)];
+		enemy.x = lanePositions[laneIndex];
+		enemy.y = -100;
+		enemy.speed *= gameSpeed;
+		enemyCars.push(enemy);
+		game.addChild(enemy);
+	}
+}
+// Spawn coin
+function spawnCoin() {
+	var coin = new Coin();
+	var laneIndex = Math.floor(Math.random() * lanePositions.length);
+	coin.x = lanePositions[laneIndex];
+	coin.y = -50;
+	coin.speed *= gameSpeed;
+	coins.push(coin);
+	game.addChild(coin);
+}
+// Spawn road line
+function spawnRoadLine() {
+	for (var i = 0; i < 4; i++) {
+		var roadLine = new RoadLine();
+		roadLine.x = lanePositions[i] + (lanePositions[i + 1] - lanePositions[i]) / 2;
+		roadLine.y = -40;
+		roadLine.speed *= gameSpeed;
+		roadLines.push(roadLine);
+		game.addChild(roadLine);
+	}
+}
+game.update = function () {
+	survivalTime += 1;
+	// Increase game speed gradually
+	gameSpeed = 1 + survivalTime / 3600 * 2; // Increases over 1 minute
+	speedTxt.setText('Speed: ' + gameSpeed.toFixed(1) + 'x');
+	// Update score based on survival time
+	var currentScore = Math.floor(survivalTime / 10);
+	LK.setScore(currentScore);
+	scoreTxt.setText('Score: ' + LK.getScore());
+	// Spawn timers
+	spawnTimer++;
+	coinSpawnTimer++;
+	roadLineTimer++;
+	// Spawn enemy cars
+	var spawnRate = Math.max(60 - Math.floor(survivalTime / 100), 30);
+	if (spawnTimer >= spawnRate) {
+		spawnEnemyCar();
+		spawnTimer = 0;
+	}
+	// Spawn coins
+	if (coinSpawnTimer >= 180) {
+		if (Math.random() < 0.7) {
+			spawnCoin();
+		}
+		coinSpawnTimer = 0;
+	}
+	// Spawn road lines
+	if (roadLineTimer >= 20) {
+		spawnRoadLine();
+		roadLineTimer = 0;
+	}
+	// Check enemy car collisions and cleanup
+	for (var i = enemyCars.length - 1; i >= 0; i--) {
+		var enemy = enemyCars[i];
+		// Initialize last position tracking
+		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
+		// Check collision with player
+		if (enemy.intersects(playerCar)) {
+			// Flash screen red and end game
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		// Remove if off screen
+		if (enemy.lastY <= 2800 && enemy.y > 2800) {
+			enemy.destroy();
+			enemyCars.splice(i, 1);
+		} else {
+			enemy.lastY = enemy.y;
+		}
+	}
+	// Check coin collection and cleanup
+	for (var i = coins.length - 1; i >= 0; i--) {
+		var coin = coins[i];
+		if (coin.lastY === undefined) coin.lastY = coin.y;
+		if (coin.lastCollected === undefined) coin.lastCollected = false;
+		var currentCollected = coin.intersects(playerCar);
+		if (!coin.lastCollected && currentCollected) {
+			// Coin collected
+			LK.setScore(LK.getScore() + 10);
+			scoreTxt.setText('Score: ' + LK.getScore());
+			LK.getSound('coinCollect').play();
+			coin.destroy();
+			coins.splice(i, 1);
+			continue;
+		}
+		// Remove if off screen
+		if (coin.lastY <= 2800 && coin.y > 2800) {
+			coin.destroy();
+			coins.splice(i, 1);
+		} else {
+			coin.lastY = coin.y;
+			coin.lastCollected = currentCollected;
+		}
+	}
+	// Cleanup road lines
+	for (var i = roadLines.length - 1; i >= 0; i--) {
+		var roadLine = roadLines[i];
+		if (roadLine.lastY === undefined) roadLine.lastY = roadLine.y;
+		if (roadLine.lastY <= 2800 && roadLine.y > 2800) {
+			roadLine.destroy();
+			roadLines.splice(i, 1);
+		} else {
+			roadLine.lastY = roadLine.y;
+		}
+	}
+};
\ No newline at end of file