===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,362 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function (type) {
+	var self = Container.call(this);
+	var assetName = 'enemy' + (type || 1);
+	var enemyGraphics = self.attachAsset(assetName, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.type = type || 1;
+	self.health = self.type;
+	self.speed = 2 + (self.type - 1) * 0.5;
+	self.shootCooldown = 0;
+	self.movePattern = 0;
+	self.moveTimer = 0;
+	self.update = function () {
+		self.moveTimer++;
+		// Different movement patterns based on type
+		if (self.type === 1) {
+			self.y += self.speed;
+		} else if (self.type === 2) {
+			self.y += self.speed;
+			self.x += Math.sin(self.moveTimer * 0.05) * 2;
+		} else if (self.type === 3) {
+			self.y += self.speed * 0.8;
+			self.x += Math.cos(self.moveTimer * 0.03) * 3;
+			// Type 3 enemies shoot
+			if (self.shootCooldown <= 0 && self.y > 200 && self.y < 2200) {
+				self.shoot();
+				self.shootCooldown = 60 + Math.random() * 60;
+			}
+		}
+		if (self.shootCooldown > 0) {
+			self.shootCooldown--;
+		}
+	};
+	self.shoot = function () {
+		var bullet = new EnemyBullet();
+		bullet.x = self.x;
+		bullet.y = self.y + 30;
+		enemyBullets.push(bullet);
+		game.addChild(bullet);
+	};
+	self.takeDamage = function () {
+		self.health--;
+		LK.effects.flashObject(self, 0xFFFFFF, 200);
+		if (self.health <= 0) {
+			LK.setScore(LK.getScore() + self.type * 10);
+			LK.getSound('enemyHit').play();
+			return true; // Enemy destroyed
+		}
+		return false;
+	};
+	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 = 6;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var playerGraphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 3;
+	self.maxHealth = 3;
+	self.shootCooldown = 0;
+	self.invulnerable = false;
+	self.invulnerableTime = 0;
+	self.update = function () {
+		if (self.shootCooldown > 0) {
+			self.shootCooldown--;
+		}
+		if (self.invulnerable) {
+			self.invulnerableTime--;
+			playerGraphics.alpha = Math.sin(LK.ticks * 0.5) * 0.5 + 0.5;
+			if (self.invulnerableTime <= 0) {
+				self.invulnerable = false;
+				playerGraphics.alpha = 1;
+			}
+		}
+	};
+	self.shoot = function () {
+		if (self.shootCooldown <= 0) {
+			var bullet = new PlayerBullet();
+			bullet.x = self.x;
+			bullet.y = self.y - 50;
+			playerBullets.push(bullet);
+			game.addChild(bullet);
+			self.shootCooldown = 8;
+			LK.getSound('shoot').play();
+		}
+	};
+	self.takeDamage = function () {
+		if (!self.invulnerable) {
+			self.health--;
+			self.invulnerable = true;
+			self.invulnerableTime = 120;
+			LK.effects.flashObject(self, 0xFF0000, 500);
+			LK.getSound('playerHit').play();
+			if (self.health <= 0) {
+				LK.showGameOver();
+			}
+		}
+	};
+	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: 0x001122
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var player;
+var playerBullets = [];
+var enemies = [];
+var enemyBullets = [];
+var currentLevel = 1;
+var maxLevel = 10;
+var levelEnemiesSpawned = 0;
+var levelEnemiesTotal = 0;
+var levelComplete = false;
+var spawnTimer = 0;
+var dragNode = null;
+// Level configurations
+var levelConfigs = [{
+	enemies: 5,
+	types: [1],
+	spawnDelay: 60
+}, {
+	enemies: 8,
+	types: [1, 1, 2],
+	spawnDelay: 50
+}, {
+	enemies: 10,
+	types: [1, 2],
+	spawnDelay: 45
+}, {
+	enemies: 12,
+	types: [1, 2, 2],
+	spawnDelay: 40
+}, {
+	enemies: 15,
+	types: [1, 2, 3],
+	spawnDelay: 35
+}, {
+	enemies: 18,
+	types: [2, 2, 3],
+	spawnDelay: 30
+}, {
+	enemies: 20,
+	types: [1, 2, 3, 3],
+	spawnDelay: 28
+}, {
+	enemies: 22,
+	types: [2, 3, 3],
+	spawnDelay: 25
+}, {
+	enemies: 25,
+	types: [2, 3, 3, 3],
+	spawnDelay: 22
+}, {
+	enemies: 30,
+	types: [3, 3, 3, 3],
+	spawnDelay: 20
+}];
+// UI Elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0, 0);
+scoreTxt.x = 120;
+scoreTxt.y = 50;
+LK.gui.topLeft.addChild(scoreTxt);
+var levelTxt = new Text2('Level: 1', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+levelTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(levelTxt);
+var healthTxt = new Text2('Health: 3', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+healthTxt.anchor.set(1, 0);
+healthTxt.x = -50;
+healthTxt.y = 50;
+LK.gui.topRight.addChild(healthTxt);
+// Initialize player
+player = new Player();
+player.x = 1024;
+player.y = 2400;
+game.addChild(player);
+// Initialize level
+function initLevel() {
+	levelEnemiesSpawned = 0;
+	levelEnemiesTotal = levelConfigs[currentLevel - 1].enemies;
+	levelComplete = false;
+	spawnTimer = 0;
+	// Clear existing enemies and bullets
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		enemies[i].destroy();
+		enemies.splice(i, 1);
+	}
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		enemyBullets[i].destroy();
+		enemyBullets.splice(i, 1);
+	}
+	levelTxt.setText('Level: ' + currentLevel);
+}
+function spawnEnemy() {
+	var config = levelConfigs[currentLevel - 1];
+	var enemyType = config.types[Math.floor(Math.random() * config.types.length)];
+	var enemy = new Enemy(enemyType);
+	enemy.x = Math.random() * (2048 - 200) + 100;
+	enemy.y = -50;
+	enemies.push(enemy);
+	game.addChild(enemy);
+	levelEnemiesSpawned++;
+}
+// Event handlers
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.x = Math.max(40, Math.min(2008, x));
+		dragNode.y = Math.max(200, Math.min(2600, y));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = player;
+	handleMove(x, y, obj);
+	player.shoot();
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Auto-shooting while dragging
+var autoShootTimer = 0;
+// Main game update
+game.update = function () {
+	// Auto-shoot while dragging
+	if (dragNode) {
+		autoShootTimer++;
+		if (autoShootTimer >= 15) {
+			player.shoot();
+			autoShootTimer = 0;
+		}
+	}
+	// Spawn enemies
+	if (!levelComplete && levelEnemiesSpawned < levelEnemiesTotal) {
+		spawnTimer++;
+		if (spawnTimer >= levelConfigs[currentLevel - 1].spawnDelay) {
+			spawnEnemy();
+			spawnTimer = 0;
+		}
+	}
+	// Update player bullets
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		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)) {
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				if (enemy.takeDamage()) {
+					enemy.destroy();
+					enemies.splice(j, 1);
+				}
+				break;
+			}
+		}
+	}
+	// Update enemy bullets
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		var bullet = enemyBullets[i];
+		if (bullet.y > 2800) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (bullet.intersects(player)) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			player.takeDamage();
+		}
+	}
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		// Remove enemies that are off screen
+		if (enemy.y > 2800) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (enemy.intersects(player)) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			player.takeDamage();
+		}
+	}
+	// Check level completion
+	if (!levelComplete && levelEnemiesSpawned >= levelEnemiesTotal && enemies.length === 0) {
+		levelComplete = true;
+		LK.getSound('levelComplete').play();
+		if (currentLevel >= maxLevel) {
+			LK.showYouWin();
+		} else {
+			currentLevel++;
+			LK.setTimeout(function () {
+				initLevel();
+			}, 2000);
+		}
+	}
+	// Update UI
+	scoreTxt.setText('Score: ' + LK.getScore());
+	healthTxt.setText('Health: ' + player.health);
+};
+// Initialize first level
+initLevel();
\ No newline at end of file