===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,178 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var EnemyShip = Container.expand(function () {
+	var self = Container.call(this);
+	var shipGraphics = self.attachAsset('enemyShip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PlayerBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('playerBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -12;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PlayerShip = Container.expand(function () {
+	var self = Container.call(this);
+	var shipGraphics = self.attachAsset('playerShip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000033
+});
+
+/**** 
+* Game Code
+****/ 
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Create player ship
+var player = game.addChild(new PlayerShip());
+player.x = 2048 / 2;
+player.y = 2732 - 150;
+// Game arrays
+var bullets = [];
+var enemies = [];
+// Game variables
+var lastShootTime = 0;
+var shootInterval = 10; // Shoot every 10 ticks (6 times per second)
+var enemySpawnTimer = 0;
+var enemySpawnInterval = 60; // Spawn enemy every 60 ticks (1 per second)
+// Touch/drag handling
+var isDragging = false;
+game.down = function (x, y, obj) {
+	isDragging = true;
+	player.x = Math.max(40, Math.min(2048 - 40, x));
+};
+game.move = function (x, y, obj) {
+	if (isDragging) {
+		player.x = Math.max(40, Math.min(2048 - 40, x));
+	}
+};
+game.up = function (x, y, obj) {
+	isDragging = false;
+};
+// Main game update loop
+game.update = function () {
+	// Auto-shoot bullets
+	if (LK.ticks - lastShootTime >= shootInterval) {
+		var newBullet = new PlayerBullet();
+		newBullet.x = player.x;
+		newBullet.y = player.y - 50;
+		newBullet.lastY = newBullet.y;
+		bullets.push(newBullet);
+		game.addChild(newBullet);
+		lastShootTime = LK.ticks;
+		LK.getSound('shoot').play();
+	}
+	// Spawn enemies
+	enemySpawnTimer++;
+	if (enemySpawnTimer >= enemySpawnInterval) {
+		var newEnemy = new EnemyShip();
+		newEnemy.x = Math.random() * (2048 - 100) + 50;
+		newEnemy.y = -30;
+		newEnemy.lastY = newEnemy.y;
+		newEnemy.lastPlayerIntersecting = false;
+		enemies.push(newEnemy);
+		game.addChild(newEnemy);
+		enemySpawnTimer = 0;
+	}
+	// Update and check bullets
+	for (var b = bullets.length - 1; b >= 0; b--) {
+		var bullet = bullets[b];
+		// Remove bullets that go off screen
+		if (bullet.lastY >= -25 && bullet.y < -25) {
+			bullet.destroy();
+			bullets.splice(b, 1);
+			continue;
+		}
+		// Check bullet-enemy collisions
+		var bulletHitEnemy = false;
+		for (var e = enemies.length - 1; e >= 0; e--) {
+			var enemy = enemies[e];
+			if (bullet.intersects(enemy)) {
+				// Enemy destroyed
+				LK.setScore(LK.getScore() + 10);
+				scoreTxt.setText('Score: ' + LK.getScore());
+				// Create explosion effect
+				tween(enemy, {
+					scaleX: 2,
+					scaleY: 2,
+					alpha: 0
+				}, {
+					duration: 200,
+					onFinish: function onFinish() {
+						// Enemy cleanup is handled below
+					}
+				});
+				LK.getSound('enemyDestroyed').play();
+				// Remove enemy
+				enemy.destroy();
+				enemies.splice(e, 1);
+				// Remove bullet
+				bullet.destroy();
+				bullets.splice(b, 1);
+				bulletHitEnemy = true;
+				break;
+			}
+		}
+		if (!bulletHitEnemy) {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update and check enemies
+	for (var e = enemies.length - 1; e >= 0; e--) {
+		var enemy = enemies[e];
+		// Remove enemies that go off screen
+		if (enemy.lastY <= 2732 + 50 && enemy.y > 2732 + 50) {
+			enemy.destroy();
+			enemies.splice(e, 1);
+			continue;
+		}
+		// Check enemy-player collision
+		var currentPlayerIntersecting = enemy.intersects(player);
+		if (!enemy.lastPlayerIntersecting && currentPlayerIntersecting) {
+			// Game Over
+			LK.getSound('gameOver').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		enemy.lastY = enemy.y;
+		enemy.lastPlayerIntersecting = currentPlayerIntersecting;
+	}
+	// Increase difficulty over time
+	if (LK.getScore() > 0 && LK.getScore() % 100 === 0 && enemySpawnInterval > 20) {
+		enemySpawnInterval = Math.max(20, enemySpawnInterval - 1);
+	}
+};
\ No newline at end of file