/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
var BackgroundStar = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star_bg', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -1; // Very slow parallax
	self.twinkleTimer = Math.random() * 100;
	self.update = function () {
		self.x += self.speed;
		self.twinkleTimer++;
		starGraphics.alpha = 0.3 + Math.sin(self.twinkleTimer * 0.05) * 0.7;
	};
	return self;
});
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.value = 10;
	self.bobOffset = 0;
	self.update = function () {
		self.x += self.speed;
		// Add bobbing animation
		self.bobOffset += 0.1;
		coinGraphics.y = Math.sin(self.bobOffset) * 10;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.velocityY = 0;
	self.isJumping = false;
	self.jumpForce = -35;
	self.gravity = 1.2;
	self.groundY = 2532; // Ground level
	self.update = function () {
		// Apply gravity
		self.velocityY += self.gravity;
		self.y += self.velocityY;
		// Check ground collision
		if (self.y >= self.groundY) {
			self.y = self.groundY;
			self.velocityY = 0;
			self.isJumping = false;
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.velocityY = self.jumpForce;
			self.isJumping = true;
			LK.getSound('jump').play();
		}
	};
	return self;
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -8;
	self.value = 50;
	self.rotationSpeed = 0.1;
	self.update = function () {
		self.x += self.speed;
		starGraphics.rotation += self.rotationSpeed;
	};
	return self;
});
var Tower = Container.expand(function () {
	var self = Container.call(this);
	var towerType = Math.floor(Math.random() * 3) + 1;
	var towerGraphics = self.attachAsset('tower' + towerType, {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -2; // Slower parallax speed
	// Add neon lights randomly
	for (var i = 0; i < 8; i++) {
		if (Math.random() > 0.3) {
			var neonLight = self.attachAsset('neon_light', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			neonLight.x = (Math.random() - 0.5) * towerGraphics.width * 0.7;
			neonLight.y = -Math.random() * towerGraphics.height * 0.9;
		}
	}
	// Add AI cores
	for (var i = 0; i < 3; i++) {
		if (Math.random() > 0.5) {
			var aiCore = self.attachAsset('ai_core', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			aiCore.x = (Math.random() - 0.5) * towerGraphics.width * 0.5;
			aiCore.y = -Math.random() * towerGraphics.height * 0.7;
		}
	}
	// Add energy beams
	for (var i = 0; i < 2; i++) {
		if (Math.random() > 0.6) {
			var energyBeam = self.attachAsset('energy_beam', {
				anchorX: 0.5,
				anchorY: 0
			});
			energyBeam.x = (Math.random() - 0.5) * towerGraphics.width * 0.4;
			energyBeam.y = -towerGraphics.height;
		}
	}
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});
var Turtle = Container.expand(function () {
	var self = Container.call(this);
	var turtleGraphics = self.attachAsset('turtle', {
		anchorX: 0.5,
		anchorY: 1.0
	});
	self.speed = -8;
	self.groundY = 2532;
	self.update = function () {
		self.x += self.speed;
	};
	return self;
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x0a0a0f
});

/**** 
* Game Code
****/ 
// Game variables
var gameSpeed = 8;
var spawnTimer = 0;
var difficultyTimer = 0;
var distance = 0;
var scoreMultiplier = 1;
// Game objects
var player;
var ground;
var moon;
var turtles = [];
var coins = [];
var stars = [];
var towers = [];
var backgroundStars = [];
// UI elements
var scoreTxt = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var distanceTxt = new Text2('0m', {
	size: 80,
	fill: 0xFFFFFF
});
distanceTxt.anchor.set(1, 0);
LK.gui.topRight.addChild(distanceTxt);
// Initialize game elements
function initializeGame() {
	// Create hologram
	moon = game.addChild(LK.getAsset('hologram', {
		anchorX: 0.5,
		anchorY: 0.5
	}));
	moon.x = 1700;
	moon.y = 400;
	// Create background stars
	for (var i = 0; i < 20; i++) {
		var bgStar = new BackgroundStar();
		bgStar.x = Math.random() * 2500;
		bgStar.y = Math.random() * 800 + 200;
		backgroundStars.push(bgStar);
		game.addChild(bgStar);
	}
	// Create initial towers
	for (var i = 0; i < 10; i++) {
		var tower = new Tower();
		tower.x = i * 250 + Math.random() * 100;
		tower.y = 2732;
		towers.push(tower);
		game.addChild(tower);
	}
	// Create ground
	ground = game.addChild(LK.getAsset('ground', {
		anchorX: 0,
		anchorY: 1
	}));
	ground.x = 0;
	ground.y = 2732;
	// Create player
	player = game.addChild(new Player());
	player.x = 300;
	player.y = 2532;
	// Start background music
	LK.playMusic('bgmusic');
}
// Spawn turtle enemy
function spawnTurtle() {
	var turtle = new Turtle();
	turtle.x = 2200;
	turtle.y = 2532;
	turtle.speed = -(gameSpeed + Math.random() * 4);
	turtles.push(turtle);
	game.addChild(turtle);
}
// Spawn coin
function spawnCoin() {
	var coin = new Coin();
	coin.x = 2200;
	coin.y = 2400 - Math.random() * 300;
	coin.speed = -gameSpeed;
	coins.push(coin);
	game.addChild(coin);
}
// Spawn star
function spawnStar() {
	var star = new Star();
	star.x = 2200;
	star.y = 2300 - Math.random() * 200;
	star.speed = -gameSpeed;
	stars.push(star);
	game.addChild(star);
}
// Spawn tower
function spawnTower() {
	var tower = new Tower();
	tower.x = 2200;
	tower.y = 2732;
	towers.push(tower);
	game.addChild(tower);
}
// Touch controls
game.down = function (x, y, obj) {
	player.jump();
};
// Main game loop
game.update = function () {
	// Update distance
	distance += gameSpeed / 10;
	distanceTxt.setText(Math.floor(distance) + 'm');
	// Increase difficulty over time
	difficultyTimer++;
	if (difficultyTimer % 1800 === 0) {
		// Every 30 seconds
		gameSpeed += 0.5;
	}
	// Spawn enemies and collectibles
	spawnTimer++;
	// Spawn turtles
	if (spawnTimer % 120 === 0) {
		spawnTurtle();
	}
	// Spawn coins
	if (spawnTimer % 180 === 0) {
		spawnCoin();
	}
	// Spawn stars (less frequent)
	if (spawnTimer % 480 === 0) {
		spawnStar();
	}
	// Spawn towers for background
	if (spawnTimer % 350 === 0) {
		spawnTower();
	}
	// Update and check turtles
	for (var i = turtles.length - 1; i >= 0; i--) {
		var turtle = turtles[i];
		// Remove if off screen
		if (turtle.x < -100) {
			turtle.destroy();
			turtles.splice(i, 1);
			continue;
		}
		// Check collision with player
		if (turtle.intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Update and check coins
	for (var i = coins.length - 1; i >= 0; i--) {
		var coin = coins[i];
		// Remove if off screen
		if (coin.x < -100) {
			coin.destroy();
			coins.splice(i, 1);
			continue;
		}
		// Check collection
		if (coin.intersects(player)) {
			LK.setScore(LK.getScore() + coin.value * scoreMultiplier);
			scoreTxt.setText(LK.getScore());
			LK.getSound('coin').play();
			coin.destroy();
			coins.splice(i, 1);
		}
	}
	// Update and check stars
	for (var i = stars.length - 1; i >= 0; i--) {
		var star = stars[i];
		// Remove if off screen
		if (star.x < -100) {
			star.destroy();
			stars.splice(i, 1);
			continue;
		}
		// Check collection
		if (star.intersects(player)) {
			LK.setScore(LK.getScore() + star.value * scoreMultiplier);
			scoreTxt.setText(LK.getScore());
			scoreMultiplier += 0.1;
			LK.getSound('star').play();
			LK.effects.flashObject(star, 0xFFFFFF, 500);
			star.destroy();
			stars.splice(i, 1);
		}
	}
	// Update and cleanup towers
	for (var i = towers.length - 1; i >= 0; i--) {
		var tower = towers[i];
		if (tower.x < -400) {
			tower.destroy();
			towers.splice(i, 1);
		}
	}
	// Update and cleanup background stars
	for (var i = backgroundStars.length - 1; i >= 0; i--) {
		var bgStar = backgroundStars[i];
		if (bgStar.x < -50) {
			bgStar.destroy();
			backgroundStars.splice(i, 1);
			// Spawn new star
			var newStar = new BackgroundStar();
			newStar.x = 2100 + Math.random() * 200;
			newStar.y = Math.random() * 800 + 200;
			backgroundStars.push(newStar);
			game.addChild(newStar);
		}
	}
	// Add distance to score
	LK.setScore(LK.getScore() + Math.floor(gameSpeed / 10));
	scoreTxt.setText(LK.getScore());
};
// Initialize the game
initializeGame();

===================================================================
--- original.js
+++ change.js
@@ -20,32 +20,8 @@
 		starGraphics.alpha = 0.3 + Math.sin(self.twinkleTimer * 0.05) * 0.7;
 	};
 	return self;
 });
-var Building = Container.expand(function () {
-	var self = Container.call(this);
-	var buildingType = Math.floor(Math.random() * 3) + 1;
-	var buildingGraphics = self.attachAsset('building' + buildingType, {
-		anchorX: 0.5,
-		anchorY: 1.0
-	});
-	self.speed = -2; // Slower parallax speed
-	// Add windows randomly
-	for (var i = 0; i < 6; i++) {
-		if (Math.random() > 0.4) {
-			var window = self.attachAsset('window', {
-				anchorX: 0.5,
-				anchorY: 0.5
-			});
-			window.x = (Math.random() - 0.5) * buildingGraphics.width * 0.6;
-			window.y = -Math.random() * buildingGraphics.height * 0.8;
-		}
-	}
-	self.update = function () {
-		self.x += self.speed;
-	};
-	return self;
-});
 var Coin = Container.expand(function () {
 	var self = Container.call(this);
 	var coinGraphics = self.attachAsset('coin', {
 		anchorX: 0.5,
@@ -107,8 +83,54 @@
 		starGraphics.rotation += self.rotationSpeed;
 	};
 	return self;
 });
+var Tower = Container.expand(function () {
+	var self = Container.call(this);
+	var towerType = Math.floor(Math.random() * 3) + 1;
+	var towerGraphics = self.attachAsset('tower' + towerType, {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.speed = -2; // Slower parallax speed
+	// Add neon lights randomly
+	for (var i = 0; i < 8; i++) {
+		if (Math.random() > 0.3) {
+			var neonLight = self.attachAsset('neon_light', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			neonLight.x = (Math.random() - 0.5) * towerGraphics.width * 0.7;
+			neonLight.y = -Math.random() * towerGraphics.height * 0.9;
+		}
+	}
+	// Add AI cores
+	for (var i = 0; i < 3; i++) {
+		if (Math.random() > 0.5) {
+			var aiCore = self.attachAsset('ai_core', {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			aiCore.x = (Math.random() - 0.5) * towerGraphics.width * 0.5;
+			aiCore.y = -Math.random() * towerGraphics.height * 0.7;
+		}
+	}
+	// Add energy beams
+	for (var i = 0; i < 2; i++) {
+		if (Math.random() > 0.6) {
+			var energyBeam = self.attachAsset('energy_beam', {
+				anchorX: 0.5,
+				anchorY: 0
+			});
+			energyBeam.x = (Math.random() - 0.5) * towerGraphics.width * 0.4;
+			energyBeam.y = -towerGraphics.height;
+		}
+	}
+	self.update = function () {
+		self.x += self.speed;
+	};
+	return self;
+});
 var Turtle = Container.expand(function () {
 	var self = Container.call(this);
 	var turtleGraphics = self.attachAsset('turtle', {
 		anchorX: 0.5,
@@ -125,9 +147,9 @@
 /**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
-	backgroundColor: 0x1a1a2e
+	backgroundColor: 0x0a0a0f
 });
 
 /**** 
 * Game Code
@@ -144,9 +166,9 @@
 var moon;
 var turtles = [];
 var coins = [];
 var stars = [];
-var buildings = [];
+var towers = [];
 var backgroundStars = [];
 // UI elements
 var scoreTxt = new Text2('0', {
 	size: 100,
@@ -161,30 +183,30 @@
 distanceTxt.anchor.set(1, 0);
 LK.gui.topRight.addChild(distanceTxt);
 // Initialize game elements
 function initializeGame() {
-	// Create moon
-	moon = game.addChild(LK.getAsset('moon', {
+	// Create hologram
+	moon = game.addChild(LK.getAsset('hologram', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	}));
 	moon.x = 1700;
 	moon.y = 400;
 	// Create background stars
-	for (var i = 0; i < 15; i++) {
+	for (var i = 0; i < 20; i++) {
 		var bgStar = new BackgroundStar();
 		bgStar.x = Math.random() * 2500;
 		bgStar.y = Math.random() * 800 + 200;
 		backgroundStars.push(bgStar);
 		game.addChild(bgStar);
 	}
-	// Create initial buildings
-	for (var i = 0; i < 12; i++) {
-		var building = new Building();
-		building.x = i * 200 + Math.random() * 100;
-		building.y = 2732;
-		buildings.push(building);
-		game.addChild(building);
+	// Create initial towers
+	for (var i = 0; i < 10; i++) {
+		var tower = new Tower();
+		tower.x = i * 250 + Math.random() * 100;
+		tower.y = 2732;
+		towers.push(tower);
+		game.addChild(tower);
 	}
 	// Create ground
 	ground = game.addChild(LK.getAsset('ground', {
 		anchorX: 0,
@@ -225,15 +247,15 @@
 	star.speed = -gameSpeed;
 	stars.push(star);
 	game.addChild(star);
 }
-// Spawn building
-function spawnBuilding() {
-	var building = new Building();
-	building.x = 2200;
-	building.y = 2732;
-	buildings.push(building);
-	game.addChild(building);
+// Spawn tower
+function spawnTower() {
+	var tower = new Tower();
+	tower.x = 2200;
+	tower.y = 2732;
+	towers.push(tower);
+	game.addChild(tower);
 }
 // Touch controls
 game.down = function (x, y, obj) {
 	player.jump();
@@ -262,11 +284,11 @@
 	// Spawn stars (less frequent)
 	if (spawnTimer % 480 === 0) {
 		spawnStar();
 	}
-	// Spawn buildings for background
-	if (spawnTimer % 300 === 0) {
-		spawnBuilding();
+	// Spawn towers for background
+	if (spawnTimer % 350 === 0) {
+		spawnTower();
 	}
 	// Update and check turtles
 	for (var i = turtles.length - 1; i >= 0; i--) {
 		var turtle = turtles[i];
@@ -320,14 +342,14 @@
 			star.destroy();
 			stars.splice(i, 1);
 		}
 	}
-	// Update and cleanup buildings
-	for (var i = buildings.length - 1; i >= 0; i--) {
-		var building = buildings[i];
-		if (building.x < -300) {
-			building.destroy();
-			buildings.splice(i, 1);
+	// Update and cleanup towers
+	for (var i = towers.length - 1; i >= 0; i--) {
+		var tower = towers[i];
+		if (tower.x < -400) {
+			tower.destroy();
+			towers.splice(i, 1);
 		}
 	}
 	// Update and cleanup background stars
 	for (var i = backgroundStars.length - 1; i >= 0; i--) {