===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,220 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Asteroid = Container.expand(function () {
+	var self = Container.call(this);
+	var asteroidGraphics = self.attachAsset('asteroid', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.rotationSpeed = 0.02;
+	self.update = function () {
+		self.y += self.speed;
+		asteroidGraphics.rotation += self.rotationSpeed;
+	};
+	return self;
+});
+var Bullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -12;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Explosion = Container.expand(function () {
+	var self = Container.call(this);
+	var explosionGraphics = self.attachAsset('explosion', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.lifetime = 30;
+	self.age = 0;
+	self.update = function () {
+		self.age++;
+		explosionGraphics.alpha = 1 - self.age / self.lifetime;
+		explosionGraphics.scaleX = explosionGraphics.scaleY = 1 + self.age / self.lifetime * 0.5;
+	};
+	return self;
+});
+var Ship = Container.expand(function () {
+	var self = Container.call(this);
+	var shipGraphics = self.attachAsset('ship', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000A1A
+});
+
+/**** 
+* Game Code
+****/ 
+var ship = new Ship();
+var bullets = [];
+var asteroids = [];
+var explosions = [];
+var gameTime = 0;
+var asteroidSpawnTimer = 0;
+var bulletFireTimer = 0;
+var difficultyLevel = 1;
+// Initialize ship position
+ship.x = 2048 / 2;
+ship.y = 2732 - 150;
+game.addChild(ship);
+// Score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Dragging variables
+var dragNode = null;
+var dragOffset = 0;
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		var newX = x + dragOffset;
+		// Keep ship within screen bounds
+		newX = Math.max(60, Math.min(2048 - 60, newX));
+		dragNode.x = newX;
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	// Calculate offset from ship center to touch point
+	dragOffset = ship.x - x;
+	dragNode = ship;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+	dragOffset = 0;
+};
+function spawnAsteroid() {
+	var asteroid = new Asteroid();
+	asteroid.x = Math.random() * (2048 - 160) + 80;
+	asteroid.y = -40;
+	asteroid.speed = 3 + Math.random() * 2 + difficultyLevel * 0.5;
+	asteroid.rotationSpeed = (Math.random() - 0.5) * 0.1;
+	asteroids.push(asteroid);
+	game.addChild(asteroid);
+}
+function spawnBullet() {
+	var bullet = new Bullet();
+	bullet.x = ship.x;
+	bullet.y = ship.y - 40;
+	bullets.push(bullet);
+	game.addChild(bullet);
+	LK.getSound('shoot').play();
+}
+function spawnExplosion(x, y) {
+	var explosion = new Explosion();
+	explosion.x = x;
+	explosion.y = y;
+	explosions.push(explosion);
+	game.addChild(explosion);
+}
+function updateScore() {
+	scoreTxt.setText('Score: ' + LK.getScore());
+}
+game.update = function () {
+	gameTime++;
+	// Increase difficulty over time
+	difficultyLevel = Math.floor(gameTime / 1800) + 1;
+	// Spawn bullets
+	bulletFireTimer++;
+	if (bulletFireTimer >= 15) {
+		spawnBullet();
+		bulletFireTimer = 0;
+	}
+	// Spawn asteroids
+	asteroidSpawnTimer++;
+	var spawnRate = Math.max(60 - difficultyLevel * 5, 20);
+	if (asteroidSpawnTimer >= spawnRate) {
+		spawnAsteroid();
+		asteroidSpawnTimer = 0;
+	}
+	// Update bullets
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
+		// Remove bullets that go off screen
+		if (bullet.lastY >= -10 && bullet.y < -10) {
+			bullet.destroy();
+			bullets.splice(i, 1);
+			continue;
+		}
+		bullet.lastY = bullet.y;
+	}
+	// Update asteroids
+	for (var i = asteroids.length - 1; i >= 0; i--) {
+		var asteroid = asteroids[i];
+		if (asteroid.lastY === undefined) asteroid.lastY = asteroid.y;
+		// Remove asteroids that go off screen
+		if (asteroid.lastY <= 2732 + 40 && asteroid.y > 2732 + 40) {
+			asteroid.destroy();
+			asteroids.splice(i, 1);
+			continue;
+		}
+		// Check collision with ship
+		if (asteroid.intersects(ship)) {
+			LK.getSound('hit').play();
+			LK.effects.flashScreen(0xFF0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		asteroid.lastY = asteroid.y;
+	}
+	// Update explosions
+	for (var i = explosions.length - 1; i >= 0; i--) {
+		var explosion = explosions[i];
+		if (explosion.age >= explosion.lifetime) {
+			explosion.destroy();
+			explosions.splice(i, 1);
+		}
+	}
+	// Check bullet-asteroid collisions
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		var bulletHit = false;
+		for (var j = asteroids.length - 1; j >= 0; j--) {
+			var asteroid = asteroids[j];
+			if (bullet.intersects(asteroid)) {
+				// Create explosion
+				spawnExplosion(asteroid.x, asteroid.y);
+				// Play sound
+				LK.getSound('explode').play();
+				// Update score
+				LK.setScore(LK.getScore() + 10);
+				updateScore();
+				// Remove bullet and asteroid
+				bullet.destroy();
+				bullets.splice(i, 1);
+				asteroid.destroy();
+				asteroids.splice(j, 1);
+				bulletHit = true;
+				break;
+			}
+		}
+		if (bulletHit) break;
+	}
+};
+// Initialize score display
+updateScore();
\ No newline at end of file