===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,279 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+var Car = Container.expand(function () {
+	var self = Container.call(this);
+	var carGraphics = self.attachAsset('car', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.targetX = 1024;
+	self.speed = 3;
+	self.hasShield = false;
+	self.isInvincible = false;
+	self.shieldTimer = 0;
+	self.invincibleTimer = 0;
+	self.update = function () {
+		if (self.x < self.targetX - 5) {
+			self.x += self.speed;
+		} else if (self.x > self.targetX + 5) {
+			self.x -= self.speed;
+		}
+		if (self.hasShield) {
+			self.shieldTimer--;
+			if (self.shieldTimer <= 0) {
+				self.hasShield = false;
+				carGraphics.tint = 0xffffff;
+			}
+		}
+		if (self.isInvincible) {
+			self.invincibleTimer--;
+			carGraphics.alpha = 0.6 + Math.sin(LK.ticks * 0.1) * 0.4;
+			if (self.invincibleTimer <= 0) {
+				self.isInvincible = false;
+				carGraphics.alpha = 1;
+			}
+		}
+	};
+	return self;
+});
+var Invincibility = Container.expand(function () {
+	var self = Container.call(this);
+	var invincibilityGraphics = self.attachAsset('invincibility', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.update = function () {
+		self.y += self.speed;
+		self.alpha = 0.7 + Math.sin(LK.ticks * 0.05) * 0.3;
+	};
+	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 = 8;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Shield = Container.expand(function () {
+	var self = Container.call(this);
+	var shieldGraphics = self.attachAsset('shield', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.rotation = 0;
+	self.update = function () {
+		self.y += self.speed;
+		self.rotation -= 0.05;
+	};
+	return self;
+});
+var SpeedBoost = Container.expand(function () {
+	var self = Container.call(this);
+	var boostGraphics = self.attachAsset('speedBoost', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.rotation = 0;
+	self.update = function () {
+		self.y += self.speed;
+		self.rotation += 0.05;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
+	backgroundColor: 0x1a1a1a
+});
+
+/**** 
+* Game Code
+****/ 
+var car = game.addChild(new Car());
+car.x = 1024;
+car.y = 2400;
+var obstacles = [];
+var powerups = [];
+var score = 0;
+var distanceTraveled = 0;
+var gameSpeed = 8;
+var baseSpeed = 8;
+var maxSpeed = 15;
+var speedIncreaseRate = 0.002;
+var spawnRate = 60;
+var obstacleSpawnCounter = 0;
+var powerupSpawnCounter = 0;
+var hasShield = false;
+var isInvincible = false;
+var dragNode = null;
+var scoreTxt = new Text2('Score: 0', {
+	size: 100,
+	fill: '#ffffff'
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var distanceTxt = new Text2('Distance: 0', {
+	size: 80,
+	fill: '#ffffff'
+});
+distanceTxt.anchor.set(0.5, 0);
+distanceTxt.y = 100;
+LK.gui.top.addChild(distanceTxt);
+var speedTxt = new Text2('Speed: 1.0x', {
+	size: 80,
+	fill: '#ffffff'
+});
+speedTxt.anchor.set(0.5, 0);
+speedTxt.y = 180;
+LK.gui.top.addChild(speedTxt);
+function spawnObstacle() {
+	var newObstacle = new Obstacle();
+	var randomLane = Math.floor(Math.random() * 3);
+	newObstacle.x = 400 + randomLane * 400;
+	newObstacle.y = -100;
+	newObstacle.speed = gameSpeed;
+	obstacles.push(newObstacle);
+	game.addChild(newObstacle);
+}
+function spawnPowerup() {
+	var powerupType = Math.floor(Math.random() * 3);
+	var newPowerup;
+	var randomLane = Math.floor(Math.random() * 3);
+	var randomX = 400 + randomLane * 400;
+	if (powerupType === 0) {
+		newPowerup = new SpeedBoost();
+	} else if (powerupType === 1) {
+		newPowerup = new Shield();
+	} else {
+		newPowerup = new Invincibility();
+	}
+	newPowerup.x = randomX;
+	newPowerup.y = -100;
+	newPowerup.speed = gameSpeed;
+	newPowerup.powerupType = powerupType;
+	powerups.push(newPowerup);
+	game.addChild(newPowerup);
+}
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.targetX = Math.max(300, Math.min(1748, x));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = car;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+game.update = function () {
+	distanceTraveled += gameSpeed;
+	gameSpeed = Math.min(maxSpeed, baseSpeed + distanceTraveled * speedIncreaseRate);
+	for (var i = obstacles.length - 1; i >= 0; i--) {
+		var obstacle = obstacles[i];
+		if (obstacle.lastY === undefined) obstacle.lastY = obstacle.y;
+		obstacle.speed = gameSpeed;
+		if (obstacle.lastY >= -50 && obstacle.y < -50) {
+			obstacle.destroy();
+			obstacles.splice(i, 1);
+			continue;
+		}
+		if (obstacle.lastY <= 2800 && obstacle.y > 2800) {
+			obstacle.destroy();
+			obstacles.splice(i, 1);
+			score += 10;
+			continue;
+		}
+		var isColliding = obstacle.intersects(car);
+		if (isColliding && !car.isInvincible) {
+			if (car.hasShield) {
+				car.hasShield = false;
+				car.shieldTimer = 0;
+				carGraphics = car.children[0];
+				carGraphics.tint = 0xffffff;
+				obstacle.destroy();
+				obstacles.splice(i, 1);
+				LK.getSound('powerup').play();
+				continue;
+			} else {
+				LK.effects.flashScreen(0xff0000, 500);
+				LK.getSound('collision').play();
+				LK.showGameOver();
+			}
+		}
+		obstacle.lastY = obstacle.y;
+	}
+	for (var j = powerups.length - 1; j >= 0; j--) {
+		var powerup = powerups[j];
+		if (powerup.lastY === undefined) powerup.lastY = powerup.y;
+		powerup.speed = gameSpeed;
+		if (powerup.lastY >= -50 && powerup.y < -50) {
+			powerup.destroy();
+			powerups.splice(j, 1);
+			continue;
+		}
+		if (powerup.lastY <= 2800 && powerup.y > 2800) {
+			powerup.destroy();
+			powerups.splice(j, 1);
+			continue;
+		}
+		var isPowerupColliding = powerup.intersects(car);
+		if (isPowerupColliding) {
+			LK.getSound('powerup').play();
+			if (powerup.powerupType === 0) {
+				LK.getSound('boost').play();
+				gameSpeed = Math.min(maxSpeed, gameSpeed + 3);
+				score += 50;
+			} else if (powerup.powerupType === 1) {
+				car.hasShield = true;
+				car.shieldTimer = 300;
+				var carGraphics = car.children[0];
+				carGraphics.tint = 0x00ff00;
+				score += 30;
+			} else if (powerup.powerupType === 2) {
+				car.isInvincible = true;
+				car.invincibleTimer = 240;
+				score += 40;
+			}
+			powerup.destroy();
+			powerups.splice(j, 1);
+		}
+		powerup.lastY = powerup.y;
+	}
+	obstacleSpawnCounter++;
+	if (obstacleSpawnCounter >= Math.max(30, spawnRate - Math.floor(distanceTraveled / 10000))) {
+		spawnObstacle();
+		obstacleSpawnCounter = 0;
+	}
+	powerupSpawnCounter++;
+	if (powerupSpawnCounter >= 200) {
+		spawnPowerup();
+		powerupSpawnCounter = 0;
+	}
+	scoreTxt.setText('Score: ' + score);
+	distanceTxt.setText('Distance: ' + Math.floor(distanceTraveled / 10));
+	var speedMultiplier = (gameSpeed / baseSpeed).toFixed(1);
+	speedTxt.setText('Speed: ' + speedMultiplier + 'x');
+};
+LK.playMusic('racingMusic', {
+	loop: true
 });
\ No newline at end of file