===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,245 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.shootChance = 0.02;
+	self.health = 1;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	self.takeDamage = function () {
+		self.health--;
+	};
+	return self;
+});
+var EnemyBullet = Container.expand(function () {
+	var self = Container.call(this);
+	self.attachAsset('enemyBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 6;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PlayerBullet = Container.expand(function () {
+	var self = Container.call(this);
+	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
+	});
+	self.speed = 15;
+	self.health = 1;
+	self.canShoot = true;
+	self.shootCooldown = 10;
+	self.update = function () {
+		if (self.shootCooldown > 0) {
+			self.shootCooldown--;
+		}
+	};
+	self.shoot = function () {
+		if (self.canShoot && self.shootCooldown <= 0) {
+			self.shootCooldown = 10;
+			return true;
+		}
+		return false;
+	};
+	self.takeDamage = function () {
+		self.health--;
+		LK.effects.flashObject(self, 0xff0000, 200);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000033
+});
+
+/**** 
+* Game Code
+****/ 
+var player = null;
+var playerBullets = [];
+var enemies = [];
+var enemyBullets = [];
+var score = 0;
+var wave = 1;
+var waveTimer = 0;
+var enemySpawnTimer = 0;
+var enemySpawnRate = 120;
+var difficultyMultiplier = 1;
+var gameActive = true;
+var dragNode = null;
+// Create score display
+var scoreText = new Text2('Score: 0', {
+	size: 80,
+	fill: '#ffffff'
+});
+scoreText.anchor.set(0, 0);
+LK.gui.top.addChild(scoreText);
+// Initialize player
+player = game.addChild(new PlayerShip());
+player.x = 2048 / 2;
+player.y = 2500;
+// Music
+LK.playMusic('bgMusic', {
+	loop: true
+});
+// Game update loop
+game.update = function () {
+	if (!gameActive) return;
+	// Update player
+	player.update();
+	// Spawn enemies in waves
+	waveTimer++;
+	enemySpawnTimer++;
+	if (enemySpawnTimer >= enemySpawnRate) {
+		var newEnemy = new Enemy();
+		newEnemy.x = Math.random() * 1800 + 124;
+		newEnemy.y = -50;
+		newEnemy.speed = 1.5 + wave * 0.3;
+		enemies.push(newEnemy);
+		game.addChild(newEnemy);
+		enemySpawnTimer = 0;
+	}
+	// Increase wave every 20 seconds
+	if (waveTimer >= 1200) {
+		wave++;
+		enemySpawnRate = Math.max(60, 120 - wave * 5);
+		waveTimer = 0;
+	}
+	// Update and manage player bullets
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		bullet.update();
+		// Remove bullet if off screen
+		if (bullet.y < -50) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check bullet-enemy collisions
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				enemy.takeDamage();
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				if (enemy.health <= 0) {
+					LK.setScore(LK.getScore() + 10);
+					scoreText.setText('Score: ' + LK.getScore());
+					LK.getSound('enemyDestroyed').play();
+					enemy.destroy();
+					enemies.splice(j, 1);
+				}
+				break;
+			}
+		}
+	}
+	// Update and manage enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		enemy.update();
+		// Remove enemy if off screen
+		if (enemy.y > 2800) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		// Enemy shoots
+		if (Math.random() < enemy.shootChance) {
+			var newEnemyBullet = new EnemyBullet();
+			newEnemyBullet.x = enemy.x;
+			newEnemyBullet.y = enemy.y;
+			enemyBullets.push(newEnemyBullet);
+			game.addChild(newEnemyBullet);
+		}
+		// Check enemy-player collision
+		if (enemy.intersects(player)) {
+			player.takeDamage();
+			LK.getSound('playerHit').play();
+			if (player.health <= 0) {
+				gameActive = false;
+				LK.effects.flashScreen(0xff0000, 500);
+				LK.showGameOver();
+			}
+		}
+	}
+	// Update and manage enemy bullets
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		var bullet = enemyBullets[i];
+		bullet.update();
+		// Remove bullet if off screen
+		if (bullet.y > 2800) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		// Check enemy bullet-player collision
+		if (bullet.intersects(player)) {
+			player.takeDamage();
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			LK.getSound('playerHit').play();
+			if (player.health <= 0) {
+				gameActive = false;
+				LK.effects.flashScreen(0xff0000, 500);
+				LK.showGameOver();
+			}
+		}
+	}
+};
+// Handle player movement and shooting
+function handleMove(x, y, obj) {
+	if (gameActive && dragNode) {
+		dragNode.x = Math.max(50, Math.min(1998, x));
+		dragNode.y = Math.max(2400, Math.min(2650, y));
+	}
+	// Auto shoot
+	if (gameActive && player.shoot()) {
+		var newBullet = new PlayerBullet();
+		newBullet.x = player.x;
+		newBullet.y = player.y - 40;
+		playerBullets.push(newBullet);
+		game.addChild(newBullet);
+		LK.getSound('playerShoot').play();
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	if (gameActive) {
+		dragNode = player;
+		handleMove(x, y, obj);
+	}
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
\ No newline at end of file