/**** 
* Classes
****/ 
// Define the BackgroundObject class
var BackgroundObject = Container.expand(function () {
	var self = Container.call(this);
	var bgObjectGraphics = self.attachAsset('bgObject', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 5 + 2; // Random speed between 2 and 7
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -50; // Reset position to top once it goes off screen
			self.x = Math.random() * 2048; // Randomize x position
		}
	};
});
// Define the Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
	};
});
// Define the Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var size = Math.random() * 100 + 100;
	var enemyGraphics = self.attachAsset('enemy', {
		width: size,
		height: size,
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.rotationSpeed = Math.random() * 0.1 - 0.05;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define the Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Player movement logic will be handled in game.down and game.move
		// Shooting logic
		if (LK.ticks - lastShot >= fireRate * 60) {
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullets.push(bullet);
			game.addChild(bullet);
			lastShot = LK.ticks;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 //Init game with black background 
});

/**** 
* Game Code
****/ 
// Initialize variables
var player;
var enemies = [];
var bullets = [];
var score = 0;
var lives = 10;
var level = 1;
var levelText;
var scoreText;
var livesText;
var enemySpeedMultiplier = 1;
var enemySpawnRate = 1000;
var enemySpawnTimer;
// Function to start a new level
function startLevel() {
	levelText.setText('LEVEL ' + level);
	levelText.visible = true;
	// Increase enemy speed and spawn rate by 5% each level
	enemySpeedMultiplier *= 1.05;
	enemySpawnRate *= 0.95;
	LK.setTimeout(function () {
		levelText.visible = false;
		spawnEnemies();
	}, 4000);
}
// Function to spawn enemies
function spawnEnemies() {
	enemySpawnTimer = LK.setInterval(function () {
		var enemy = new Enemy();
		enemy.x = Math.random() * 2048;
		enemy.y = -50;
		enemy.speed *= enemySpeedMultiplier;
		enemies.push(enemy);
		game.addChild(enemy);
	}, enemySpawnRate);
}
// Function to update score and level
function updateScore(points) {
	score += points;
	scoreText.setText('Score: ' + score);
	if (score >= 2500 * Math.pow(2.5, level - 1)) {
		level++;
		// Increase enemy speed and spawn rate by 10% each level
		enemySpeedMultiplier *= 1.1;
		enemySpawnRate *= 0.9;
		clearEnemies();
		startLevel();
	}
}
// Function to clear enemies
function clearEnemies() {
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].destroy();
	}
	enemies = [];
	LK.clearInterval(enemySpawnTimer);
}
// Initialize background objects
var backgroundObjects = [];
for (var i = 0; i < 20; i++) {
	// Create 20 background objects
	var bgObject = new BackgroundObject();
	bgObject.x = Math.random() * 2048;
	bgObject.y = Math.random() * 2732;
	backgroundObjects.push(bgObject);
	game.addChild(bgObject);
}
// Initialize player
player = new Player();
player.x = 1024;
player.y = 2500;
game.addChild(player);
// Initialize texts
levelText = new Text2('LEVEL 1', {
	size: 150,
	fill: 0xFFFFFF
});
levelText.anchor.set(0.5, 0.5);
LK.gui.center.addChild(levelText);
scoreText = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreText.anchor.set(0, 0);
LK.gui.topLeft.addChild(scoreText);
livesText = new Text2('Lives: 10', {
	size: 100,
	fill: 0xFFFFFF
});
livesText.anchor.set(1, 0);
LK.gui.topRight.addChild(livesText);
// Start the first level
startLevel();
// Handle player movement
game.down = function (x, y, obj) {
	player.x = x;
};
game.move = function (x, y, obj) {
	player.x = x;
};
// Handle shooting
var lastShot = 0;
var fireRate = 0.5;
game.up = function (x, y, obj) {
	if (LK.ticks - lastShot >= fireRate * 60) {
		var bullet = new Bullet();
		bullet.x = player.x;
		bullet.y = player.y;
		bullets.push(bullet);
		game.addChild(bullet);
		lastShot = LK.ticks;
	}
};
// Game update loop
game.update = function () {
	// Update background objects
	for (var i = 0; i < backgroundObjects.length; i++) {
		backgroundObjects[i].update();
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].update();
		if (bullets[i].y < -50) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].y > 2732) {
			enemies[i].destroy();
			enemies.splice(i, 1);
			lives--;
			livesText.setText('Lives: ' + lives);
			if (lives <= 0) {
				LK.showGameOver();
			}
		}
	}
	// Check for collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (bullets[i].intersects(enemies[j])) {
				bullets[i].destroy();
				bullets.splice(i, 1);
				// Add explosion effect
				// Placeholder function as LK.effects.explosion does not exist
				var explosion = function explosion(x, y, scale, speed, rotationSpeed) {
					var explosionAsset = LK.getAsset('explosion', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: x,
						y: y,
						scaleX: scale,
						scaleY: scale
					});
					explosionAsset.speed = speed;
					explosionAsset.rotationSpeed = rotationSpeed;
					explosionAsset.update = function () {
						this.y += this.speed;
						this.rotation += this.rotationSpeed;
						// Gradually shrink the explosion effect
						this.scaleX *= 0.95;
						this.scaleY *= 0.95;
						// If the explosion effect has shrunk to less than 5% of its original size, destroy it
						if (this.scaleX < 0.05 || this.scaleY < 0.05) {
							this.destroy();
						}
					};
					game.addChild(explosionAsset);
				};
				explosion(enemies[j].x, enemies[j].y, 1, enemies[j].speed, enemies[j].rotationSpeed);
				enemies[j].destroy();
				enemies.splice(j, 1);
				updateScore(50);
				break;
			}
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -1,7 +1,23 @@
 /**** 
 * Classes
 ****/ 
+// Define the BackgroundObject class
+var BackgroundObject = Container.expand(function () {
+	var self = Container.call(this);
+	var bgObjectGraphics = self.attachAsset('bgObject', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = Math.random() * 5 + 2; // Random speed between 2 and 7
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -50; // Reset position to top once it goes off screen
+			self.x = Math.random() * 2048; // Randomize x position
+		}
+	};
+});
 // Define the Bullet class
 var Bullet = Container.expand(function () {
 	var self = Container.call(this);
 	var bulletGraphics = self.attachAsset('bullet', {
@@ -52,19 +68,8 @@
 			lastShot = LK.ticks;
 		}
 	};
 });
-// Define the PowerUp class
-var PowerUp = Container.expand(function () {
-	var self = Container.call(this);
-	var powerUpGraphics = self.attachAsset('powerUpGreen', {
-		anchorX: 0.5,
-		anchorY: 0.5
-	});
-	self.update = function () {
-		// PowerUp movement logic will be handled in game.down and game.move
-	};
-});
 
 /**** 
 * Initialize Game
 ****/ 
@@ -87,11 +92,8 @@
 var livesText;
 var enemySpeedMultiplier = 1;
 var enemySpawnRate = 1000;
 var enemySpawnTimer;
-var powerUp1;
-var powerUp2;
-var powerUp3;
 // Function to start a new level
 function startLevel() {
 	levelText.setText('LEVEL ' + level);
 	levelText.visible = true;
@@ -99,26 +101,8 @@
 	enemySpeedMultiplier *= 1.05;
 	enemySpawnRate *= 0.95;
 	LK.setTimeout(function () {
 		levelText.visible = false;
-		// Initialize powerUps only if level is 2 or higher
-		if (level >= 2) {
-			powerUp1 = new PowerUp();
-			powerUp1.x = 1024 - 200;
-			powerUp1.y = 1366;
-			game.addChild(powerUp1);
-			powerUp2 = new PowerUp();
-			powerUp2.x = 1024;
-			powerUp2.y = 1366;
-			game.addChild(powerUp2);
-			powerUp3 = new PowerUp();
-			powerUp3.x = 1024 + 200;
-			powerUp3.y = 1366;
-			game.addChild(powerUp3);
-			powerUp1.visible = true;
-			powerUp2.visible = true;
-			powerUp3.visible = true;
-		}
 		spawnEnemies();
 	}, 4000);
 }
 // Function to spawn enemies
@@ -152,8 +136,18 @@
 	}
 	enemies = [];
 	LK.clearInterval(enemySpawnTimer);
 }
+// Initialize background objects
+var backgroundObjects = [];
+for (var i = 0; i < 20; i++) {
+	// Create 20 background objects
+	var bgObject = new BackgroundObject();
+	bgObject.x = Math.random() * 2048;
+	bgObject.y = Math.random() * 2732;
+	backgroundObjects.push(bgObject);
+	game.addChild(bgObject);
+}
 // Initialize player
 player = new Player();
 player.x = 1024;
 player.y = 2500;
@@ -200,8 +194,12 @@
 	}
 };
 // Game update loop
 game.update = function () {
+	// Update background objects
+	for (var i = 0; i < backgroundObjects.length; i++) {
+		backgroundObjects[i].update();
+	}
 	// Update bullets
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		bullets[i].update();
 		if (bullets[i].y < -50) {
@@ -217,36 +215,18 @@
 			enemies.splice(i, 1);
 			lives--;
 			livesText.setText('Lives: ' + lives);
 			if (lives <= 0) {
-				powerUp1.visible = false;
-				powerUp2.visible = false;
-				powerUp3.visible = false;
 				LK.showGameOver();
 			}
 		}
 	}
 	// Check for collisions
 	for (var i = bullets.length - 1; i >= 0; i--) {
 		for (var j = enemies.length - 1; j >= 0; j--) {
-			if (bullets[i].intersects(powerUp1)) {
-				fireRate *= 1.05;
+			if (bullets[i].intersects(enemies[j])) {
 				bullets[i].destroy();
 				bullets.splice(i, 1);
-				powerUp1.destroy();
-			} else if (bullets[i].intersects(powerUp2)) {
-				enemySpeedMultiplier *= 0.95;
-				bullets[i].destroy();
-				bullets.splice(i, 1);
-				powerUp2.destroy();
-			} else if (bullets[i].intersects(powerUp3)) {
-				fireRate /= 2;
-				bullets[i].destroy();
-				bullets.splice(i, 1);
-				powerUp3.destroy();
-			} else if (bullets[i].intersects(enemies[j])) {
-				bullets[i].destroy();
-				bullets.splice(i, 1);
 				// Add explosion effect
 				// Placeholder function as LK.effects.explosion does not exist
 				var explosion = function explosion(x, y, scale, speed, rotationSpeed) {
 					var explosionAsset = LK.getAsset('explosion', {