===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,235 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemyShip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.health = 1;
+	self.canShoot = false;
+	self.shootTimer = 0;
+	self.shootInterval = 120; // 2 seconds at 60fps
+	self.update = function () {
+		self.y += self.speed;
+		if (self.canShoot) {
+			self.shootTimer++;
+			if (self.shootTimer >= self.shootInterval) {
+				self.shootTimer = 0;
+				// Create enemy bullet
+				var bullet = new EnemyBullet();
+				bullet.x = self.x;
+				bullet.y = self.y + 40;
+				enemyBullets.push(bullet);
+				game.addChild(bullet);
+			}
+		}
+	};
+	return self;
+});
+var EnemyBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('enemyBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('playerShip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.shootCooldown = 0;
+	self.shootRate = 10; // Can shoot every 10 frames
+	self.update = function () {
+		if (self.shootCooldown > 0) {
+			self.shootCooldown--;
+		}
+	};
+	self.shoot = function () {
+		if (self.shootCooldown <= 0) {
+			var bullet = new PlayerBullet();
+			bullet.x = self.x;
+			bullet.y = self.y - 40;
+			playerBullets.push(bullet);
+			game.addChild(bullet);
+			self.shootCooldown = self.shootRate;
+			LK.getSound('shoot').play();
+		}
+	};
+	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;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000033
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var player;
+var enemies = [];
+var playerBullets = [];
+var enemyBullets = [];
+var enemySpawnTimer = 0;
+var enemySpawnRate = 90; // Start spawning every 1.5 seconds
+var dragNode = null;
+var gameSpeed = 1;
+// Create score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0, 0);
+scoreTxt.x = 120; // Avoid top-left menu area
+scoreTxt.y = 50;
+LK.gui.addChild(scoreTxt);
+// Create player
+player = new Player();
+player.x = 1024; // Center horizontally
+player.y = 2400; // Near bottom of screen
+game.addChild(player);
+// Game event handlers
+game.move = function (x, y, obj) {
+	if (dragNode) {
+		dragNode.x = Math.max(40, Math.min(2008, x)); // Keep within screen bounds
+		dragNode.y = Math.max(40, Math.min(2692, y));
+	}
+};
+game.down = function (x, y, obj) {
+	dragNode = player;
+	game.move(x, y, obj);
+	// Auto-shoot when touching
+	player.shoot();
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main game update loop
+game.update = function () {
+	// Update enemy spawn rate based on score
+	var score = LK.getScore();
+	if (score > 20) {
+		enemySpawnRate = 45; // Spawn every 0.75 seconds
+	}
+	if (score > 50) {
+		enemySpawnRate = 30; // Spawn every 0.5 seconds
+	}
+	// Spawn enemies
+	enemySpawnTimer++;
+	if (enemySpawnTimer >= enemySpawnRate) {
+		enemySpawnTimer = 0;
+		var enemy = new Enemy();
+		enemy.x = Math.random() * 1800 + 124; // Random x position within screen
+		enemy.y = -50; // Start above screen
+		// Advanced enemies can shoot back
+		if (score > 10) {
+			enemy.canShoot = true;
+			enemy.shootInterval = 90 + Math.random() * 60; // Vary shoot timing
+		}
+		if (score > 30) {
+			enemy.speed = 4; // Faster enemies
+		}
+		enemies.push(enemy);
+		game.addChild(enemy);
+	}
+	// Auto-shoot for player when dragging
+	if (dragNode === player) {
+		player.shoot();
+	}
+	// Check player bullet collisions with enemies
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		// Remove bullets that go off screen
+		if (bullet.y < -50) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with enemies
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				// Enemy hit
+				LK.getSound('enemyHit').play();
+				LK.effects.flashObject(enemy, 0xffffff, 200);
+				enemy.health--;
+				if (enemy.health <= 0) {
+					// Enemy destroyed
+					LK.setScore(LK.getScore() + 1);
+					scoreTxt.setText('Score: ' + LK.getScore());
+					enemy.destroy();
+					enemies.splice(j, 1);
+				}
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				break;
+			}
+		}
+	}
+	// Check enemy bullet collisions with player
+	for (var k = enemyBullets.length - 1; k >= 0; k--) {
+		var enemyBullet = enemyBullets[k];
+		// Remove bullets that go off screen
+		if (enemyBullet.y > 2782) {
+			enemyBullet.destroy();
+			enemyBullets.splice(k, 1);
+			continue;
+		}
+		// Check collision with player
+		if (enemyBullet.intersects(player)) {
+			// Player hit - game over
+			LK.getSound('explosion').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+	}
+	// Check enemy collisions with player
+	for (var m = enemies.length - 1; m >= 0; m--) {
+		var enemy = enemies[m];
+		// Remove enemies that go off screen
+		if (enemy.y > 2782) {
+			enemy.destroy();
+			enemies.splice(m, 1);
+			continue;
+		}
+		// Check collision with player
+		if (enemy.intersects(player)) {
+			// Player hit by enemy ship - game over
+			LK.getSound('explosion').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+	}
+};
\ No newline at end of file