===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,386 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.direction = 1;
+	self.fireTimer = Math.random() * 120 + 60;
+	self.movePattern = 'formation';
+	self.startX = 0;
+	self.startY = 0;
+	self.update = function () {
+		if (self.movePattern === 'formation') {
+			self.x += self.speed * self.direction;
+			if (self.x > 2048 - 50 || self.x < 50) {
+				self.direction *= -1;
+				self.y += 30;
+			}
+		}
+		self.fireTimer--;
+		if (self.fireTimer <= 0 && Math.random() < 0.005) {
+			self.fireTimer = Math.random() * 120 + 60;
+			var bullet = new EnemyBullet();
+			bullet.x = self.x;
+			bullet.y = self.y + 30;
+			enemyBullets.push(bullet);
+			game.addChild(bullet);
+		}
+	};
+	self.destroy = function () {
+		LK.getSound('enemyDestroy').play();
+		LK.effects.flashObject(self, 0xffffff, 200);
+		// Create explosion effect
+		var explosion = game.addChild(LK.getAsset('explosion', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: self.x,
+			y: self.y,
+			alpha: 0.8
+		}));
+		tween(explosion, {
+			scaleX: 2,
+			scaleY: 2,
+			alpha: 0
+		}, {
+			duration: 300,
+			easing: tween.easeOut,
+			onFinish: function onFinish() {
+				explosion.destroy();
+			}
+		});
+		// Random chance to drop power-up
+		if (Math.random() < 0.15) {
+			var powerUp = new PowerUp();
+			powerUp.x = self.x;
+			powerUp.y = self.y;
+			powerUps.push(powerUp);
+			game.addChild(powerUp);
+		}
+		score += 100;
+		scoreTxt.setText('Score: ' + score);
+	};
+	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 = 4;
+	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.speed = 8;
+	self.fireRate = 0;
+	self.maxFireRate = 15;
+	self.lives = 3;
+	self.invulnerable = false;
+	self.powerUpType = 'normal';
+	self.powerUpTimer = 0;
+	self.update = function () {
+		if (self.fireRate > 0) {
+			self.fireRate--;
+		}
+		if (self.powerUpTimer > 0) {
+			self.powerUpTimer--;
+			if (self.powerUpTimer <= 0) {
+				self.powerUpType = 'normal';
+			}
+		}
+		if (self.invulnerable && self.alpha > 0.3) {
+			self.alpha = 0.3;
+		} else if (!self.invulnerable && self.alpha < 1) {
+			self.alpha = 1;
+		}
+	};
+	self.takeDamage = function () {
+		if (self.invulnerable) return false;
+		self.lives--;
+		self.invulnerable = true;
+		self.alpha = 0.3;
+		LK.setTimeout(function () {
+			self.invulnerable = false;
+			self.alpha = 1;
+		}, 2000);
+		if (self.lives <= 0) {
+			return true; // Game over
+		}
+		return false;
+	};
+	self.fire = function () {
+		if (self.fireRate > 0) return;
+		self.fireRate = self.maxFireRate;
+		LK.getSound('shoot').play();
+		if (self.powerUpType === 'spread') {
+			// Spread shot
+			for (var i = -1; i <= 1; i++) {
+				var bullet = new PlayerBullet();
+				bullet.x = self.x + i * 30;
+				bullet.y = self.y - 40;
+				bullet.speedX = i * 2;
+				playerBullets.push(bullet);
+				game.addChild(bullet);
+			}
+		} else if (self.powerUpType === 'rapid') {
+			// Rapid fire
+			self.maxFireRate = 5;
+			var bullet = new PlayerBullet();
+			bullet.x = self.x;
+			bullet.y = self.y - 40;
+			playerBullets.push(bullet);
+			game.addChild(bullet);
+		} else {
+			// Normal shot
+			var bullet = new PlayerBullet();
+			bullet.x = self.x;
+			bullet.y = self.y - 40;
+			playerBullets.push(bullet);
+			game.addChild(bullet);
+		}
+	};
+	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.speedX = 0;
+	self.update = function () {
+		self.y -= self.speed;
+		self.x += self.speedX;
+	};
+	return self;
+});
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var powerUpGraphics = self.attachAsset('powerUp', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.bobTimer = 0;
+	self.type = ['spread', 'rapid', 'shield'][Math.floor(Math.random() * 3)];
+	// Color based on type
+	if (self.type === 'spread') {
+		powerUpGraphics.tint = 0x00ff00;
+	} else if (self.type === 'rapid') {
+		powerUpGraphics.tint = 0xff0000;
+	} else {
+		powerUpGraphics.tint = 0x0000ff;
+	}
+	self.update = function () {
+		self.y += self.speed;
+		self.bobTimer += 0.2;
+		self.rotation = Math.sin(self.bobTimer) * 0.1;
+		var scale = 1 + Math.sin(self.bobTimer * 2) * 0.1;
+		self.scaleX = scale;
+		self.scaleY = scale;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000011
+});
+
+/**** 
+* Game Code
+****/ 
+var player = null;
+var playerBullets = [];
+var enemies = [];
+var enemyBullets = [];
+var powerUps = [];
+var score = 0;
+var wave = 1;
+var enemiesRemaining = 0;
+var dragNode = null;
+var lastX = 0;
+// UI Elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0, 0);
+LK.gui.topLeft.addChild(scoreTxt);
+scoreTxt.x = 120; // Offset to avoid menu icon
+var livesTxt = new Text2('Lives: 3', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+livesTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(livesTxt);
+var waveTxt = new Text2('Wave: 1', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+waveTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(waveTxt);
+// Initialize player
+player = game.addChild(new Player());
+player.x = 1024;
+player.y = 2500;
+// Spawn first wave
+function spawnWave() {
+	enemiesRemaining = 0;
+	var cols = 8;
+	var rows = 3;
+	var spacing = 120;
+	var startX = (2048 - cols * spacing) / 2;
+	var startY = 200;
+	for (var row = 0; row < rows; row++) {
+		for (var col = 0; col < cols; col++) {
+			var enemy = new Enemy();
+			enemy.x = startX + col * spacing;
+			enemy.y = startY + row * 80;
+			enemy.startX = enemy.x;
+			enemy.startY = enemy.y;
+			enemies.push(enemy);
+			game.addChild(enemy);
+			enemiesRemaining++;
+		}
+	}
+	waveTxt.setText('Wave: ' + wave);
+}
+// Input handling
+game.down = function (x, y, obj) {
+	dragNode = player;
+	lastX = x;
+	player.fire();
+};
+game.move = function (x, y, obj) {
+	if (dragNode) {
+		var deltaX = x - lastX;
+		dragNode.x += deltaX;
+		// Keep player on screen
+		if (dragNode.x < 40) dragNode.x = 40;
+		if (dragNode.x > 2008) dragNode.x = 2008;
+		lastX = x;
+	}
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Main game loop
+game.update = function () {
+	// Auto-fire for mobile
+	if (LK.ticks % 20 === 0) {
+		player.fire();
+	}
+	// Update player bullets
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
+		// Remove bullets that go off screen
+		if (bullet.lastY > -20 && bullet.y <= -20) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with enemies
+		var hit = false;
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				enemy.destroy();
+				enemies.splice(j, 1);
+				enemiesRemaining--;
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				hit = true;
+				break;
+			}
+		}
+		if (!hit) {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update enemy bullets
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		var bullet = enemyBullets[i];
+		if (bullet.lastY === undefined) bullet.lastY = bullet.y;
+		// Remove bullets that go off screen
+		if (bullet.lastY < 2800 && bullet.y >= 2800) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (bullet.intersects(player)) {
+			var gameOver = player.takeDamage();
+			livesTxt.setText('Lives: ' + player.lives);
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			if (gameOver) {
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+		} else {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update power-ups
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		var powerUp = powerUps[i];
+		if (powerUp.lastY === undefined) powerUp.lastY = powerUp.y;
+		// Remove power-ups that go off screen
+		if (powerUp.lastY < 2800 && powerUp.y >= 2800) {
+			powerUp.destroy();
+			powerUps.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (powerUp.intersects(player)) {
+			LK.getSound('powerUpPickup').play();
+			player.powerUpType = powerUp.type;
+			player.powerUpTimer = 600; // 10 seconds at 60fps
+			player.maxFireRate = player.powerUpType === 'rapid' ? 5 : 15;
+			LK.effects.flashObject(player, 0x00ffff, 500);
+			powerUp.destroy();
+			powerUps.splice(i, 1);
+		} else {
+			powerUp.lastY = powerUp.y;
+		}
+	}
+	// Check for wave completion
+	if (enemiesRemaining <= 0) {
+		wave++;
+		LK.setTimeout(function () {
+			spawnWave();
+		}, 2000);
+	}
+	// Check win condition (for demo purposes)
+	if (wave > 5) {
+		LK.effects.flashScreen(0x00ff00, 1000);
+		LK.showYouWin();
+	}
+};
+// Start the game
+spawnWave();
+LK.playMusic('bgMusic');
\ No newline at end of file