===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,360 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var EnemyCar = Container.expand(function () {
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('enemy_car', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 4 + Math.random() * 4;
+	self.lane = Math.floor(Math.random() * 3);
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var NitroPickup = Container.expand(function () {
+	var self = Container.call(this);
+	var nitroGraphics = self.attachAsset('nitro_pickup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.rotationSpeed = 0.1;
+	self.update = function () {
+		self.y += self.speed;
+		nitroGraphics.rotation += self.rotationSpeed;
+		// Pulsing effect
+		var scale = 1 + Math.sin(LK.ticks * 0.2) * 0.2;
+		nitroGraphics.scaleX = scale;
+		nitroGraphics.scaleY = scale;
+	};
+	return self;
+});
+var Obstacle = Container.expand(function () {
+	var self = Container.call(this);
+	var obstacleGraphics = self.attachAsset('obstacle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PlayerCar = Container.expand(function () {
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('player_car', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.lane = 1; // 0 = left, 1 = center, 2 = right
+	self.speed = 8;
+	self.baseSpeed = 8;
+	self.nitroSpeed = 16;
+	self.isNitro = false;
+	self.nitroTime = 0;
+	self.targetX = 2048 / 2;
+	self.moveToLane = function (newLane) {
+		if (newLane >= 0 && newLane <= 2) {
+			self.lane = newLane;
+			var lanePositions = [2048 * 0.25, 2048 * 0.5, 2048 * 0.75];
+			self.targetX = lanePositions[newLane];
+		}
+	};
+	self.activateNitro = function () {
+		if (!self.isNitro) {
+			self.isNitro = true;
+			self.nitroTime = 180; // 3 seconds at 60fps
+			self.speed = self.nitroSpeed;
+			carGraphics.tint = 0xffff00;
+			LK.getSound('nitro').play();
+		}
+	};
+	self.update = function () {
+		// Move towards target lane
+		var diff = self.targetX - self.x;
+		if (Math.abs(diff) > 5) {
+			self.x += diff * 0.15;
+		}
+		// Handle nitro
+		if (self.isNitro) {
+			self.nitroTime--;
+			if (self.nitroTime <= 0) {
+				self.isNitro = false;
+				self.speed = self.baseSpeed;
+				carGraphics.tint = 0xffffff;
+			}
+		}
+		// Create speed trail effect
+		if (LK.ticks % 5 === 0) {
+			var trail = LK.getAsset('player_car', {
+				anchorX: 0.5,
+				anchorY: 0.5,
+				alpha: 0.3,
+				scaleX: 0.8,
+				scaleY: 0.8
+			});
+			trail.x = self.x;
+			trail.y = self.y + 50;
+			trail.tint = self.isNitro ? 0xffff00 : 0x00ffff;
+			game.addChild(trail);
+			tween(trail, {
+				alpha: 0,
+				y: trail.y + 100
+			}, {
+				duration: 500,
+				onFinish: function onFinish() {
+					trail.destroy();
+				}
+			});
+		}
+	};
+	return self;
+});
+var TrackLine = Container.expand(function () {
+	var self = Container.call(this);
+	var lineGraphics = self.attachAsset('track_line', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	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: 0x0a0a1a
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var playerCar;
+var enemyCars = [];
+var obstacles = [];
+var nitroPickups = [];
+var trackLines = [];
+var raceDistance = 0;
+var totalRaceDistance = 5000;
+var currentSpeed = 8;
+var isGameRunning = true;
+// Lane positions
+var lanePositions = [2048 * 0.25, 2048 * 0.5, 2048 * 0.75];
+// UI Elements
+var speedText = new Text2('SPEED: 0', {
+	size: 60,
+	fill: 0x00FFFF
+});
+speedText.anchor.set(0, 0);
+speedText.x = 100;
+speedText.y = 100;
+LK.gui.topLeft.addChild(speedText);
+var distanceText = new Text2('DISTANCE: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+distanceText.anchor.set(0.5, 0);
+LK.gui.top.addChild(distanceText);
+var positionText = new Text2('POSITION: 1st', {
+	size: 60,
+	fill: 0xFFFF00
+});
+positionText.anchor.set(1, 0);
+positionText.x = -100;
+positionText.y = 100;
+LK.gui.topRight.addChild(positionText);
+// Create player car
+playerCar = game.addChild(new PlayerCar());
+playerCar.x = 2048 / 2;
+playerCar.y = 2732 - 300;
+// Touch controls
+var touchStartX = 0;
+var touchStartY = 0;
+var isTouching = false;
+game.down = function (x, y, obj) {
+	touchStartX = x;
+	touchStartY = y;
+	isTouching = true;
+	// Tap to activate nitro
+	if (!playerCar.isNitro) {
+		playerCar.activateNitro();
+	}
+};
+game.move = function (x, y, obj) {
+	if (isTouching) {
+		var deltaX = x - touchStartX;
+		var deltaY = y - touchStartY;
+		// Swipe detection for lane changes
+		if (Math.abs(deltaX) > 100 && Math.abs(deltaX) > Math.abs(deltaY)) {
+			if (deltaX > 0 && playerCar.lane < 2) {
+				playerCar.moveToLane(playerCar.lane + 1);
+				touchStartX = x; // Reset to prevent multiple lane changes
+			} else if (deltaX < 0 && playerCar.lane > 0) {
+				playerCar.moveToLane(playerCar.lane - 1);
+				touchStartX = x; // Reset to prevent multiple lane changes
+			}
+		}
+	}
+};
+game.up = function (x, y, obj) {
+	isTouching = false;
+};
+// Create initial track lines
+function createTrackLines() {
+	for (var i = 0; i < 30; i++) {
+		var line = new TrackLine();
+		line.x = 2048 * 0.167; // Left lane divider
+		line.y = i * 150 - 500;
+		trackLines.push(line);
+		game.addChild(line);
+		var line2 = new TrackLine();
+		line2.x = 2048 * 0.5; // Center lane divider
+		line2.y = i * 150 - 500;
+		trackLines.push(line2);
+		game.addChild(line2);
+		var line3 = new TrackLine();
+		line3.x = 2048 * 0.833; // Right lane divider
+		line3.y = i * 150 - 500;
+		trackLines.push(line3);
+		game.addChild(line3);
+	}
+}
+createTrackLines();
+// Spawn enemy cars
+function spawnEnemyCar() {
+	var enemyCar = new EnemyCar();
+	enemyCar.x = lanePositions[enemyCar.lane];
+	enemyCar.y = -100;
+	enemyCars.push(enemyCar);
+	game.addChild(enemyCar);
+}
+// Spawn obstacles
+function spawnObstacle() {
+	var obstacle = new Obstacle();
+	obstacle.x = lanePositions[Math.floor(Math.random() * 3)];
+	obstacle.y = -100;
+	obstacles.push(obstacle);
+	game.addChild(obstacle);
+}
+// Spawn nitro pickups
+function spawnNitroPickup() {
+	var nitro = new NitroPickup();
+	nitro.x = lanePositions[Math.floor(Math.random() * 3)];
+	nitro.y = -100;
+	nitroPickups.push(nitro);
+	game.addChild(nitro);
+}
+// Play background music
+LK.playMusic('race_music');
+// Main game update
+game.update = function () {
+	if (!isGameRunning) return;
+	// Update race distance
+	raceDistance += currentSpeed;
+	currentSpeed = playerCar.speed;
+	// Update UI
+	speedText.setText('SPEED: ' + Math.floor(currentSpeed * 10));
+	distanceText.setText('DISTANCE: ' + Math.floor(raceDistance / 50) + 'm');
+	// Check win condition
+	if (raceDistance >= totalRaceDistance) {
+		isGameRunning = false;
+		LK.showYouWin();
+		return;
+	}
+	// Spawn enemies
+	if (LK.ticks % 90 === 0) {
+		spawnEnemyCar();
+	}
+	// Spawn obstacles
+	if (LK.ticks % 120 === 0) {
+		spawnObstacle();
+	}
+	// Spawn nitro pickups
+	if (LK.ticks % 300 === 0) {
+		spawnNitroPickup();
+	}
+	// Update and check enemy cars
+	for (var i = enemyCars.length - 1; i >= 0; i--) {
+		var enemy = enemyCars[i];
+		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
+		// Remove off-screen enemies
+		if (enemy.lastY < 2732 && enemy.y >= 2732) {
+			enemy.destroy();
+			enemyCars.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (enemy.intersects(playerCar)) {
+			LK.getSound('crash').play();
+			LK.effects.flashScreen(0xff0000, 500);
+			isGameRunning = false;
+			LK.showGameOver();
+			return;
+		}
+		enemy.lastY = enemy.y;
+	}
+	// Update and check obstacles
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		if (obstacle.lastY === undefined) obstacle.lastY = obstacle.y;
+		// Remove off-screen obstacles
+		if (obstacle.lastY < 2732 && obstacle.y >= 2732) {
+			obstacle.destroy();
+			obstacles.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (obstacle.intersects(playerCar)) {
+			LK.getSound('crash').play();
+			LK.effects.flashScreen(0xff0000, 500);
+			isGameRunning = false;
+			LK.showGameOver();
+			return;
+		}
+		obstacle.lastY = obstacle.y;
+	}
+	// Update and check nitro pickups
+	for (var i = nitroPickups.length - 1; i >= 0; i--) {
+		var nitro = nitroPickups[i];
+		if (nitro.lastY === undefined) nitro.lastY = nitro.y;
+		if (nitro.lastCollected === undefined) nitro.lastCollected = false;
+		// Remove off-screen nitro
+		if (nitro.lastY < 2732 && nitro.y >= 2732) {
+			nitro.destroy();
+			nitroPickups.splice(i, 1);
+			continue;
+		}
+		// Check collection by player
+		var currentCollected = nitro.intersects(playerCar);
+		if (!nitro.lastCollected && currentCollected) {
+			LK.setScore(LK.getScore() + 100);
+			playerCar.activateNitro();
+			nitro.destroy();
+			nitroPickups.splice(i, 1);
+			continue;
+		}
+		nitro.lastY = nitro.y;
+		nitro.lastCollected = currentCollected;
+	}
+	// Update and recycle track lines
+	for (var i = trackLines.length - 1; i >= 0; i--) {
+		var line = trackLines[i];
+		if (line.y > 2732 + 100) {
+			line.y = -100;
+		}
+	}
+};
\ No newline at end of file