===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,262 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Alien = Container.expand(function () {
+	var self = Container.call(this);
+	var alienGraphics = self.attachAsset('alien', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 1;
+	self.dropDistance = 40;
+	self.shootChance = 0.0005; // Small chance to shoot each frame
+	self.update = function () {
+		// Random shooting
+		if (Math.random() < self.shootChance) {
+			createAlienBullet(self.x, self.y);
+		}
+	};
+	return self;
+});
+var AlienBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('alienBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 8;
+	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
+	});
+	self.speed = 8;
+	self.shootCooldown = 0;
+	self.shootRate = 15; // Fire every 15 ticks
+	self.moveLeft = function () {
+		self.x -= self.speed;
+		if (self.x < 60) self.x = 60;
+	};
+	self.moveRight = function () {
+		self.x += self.speed;
+		if (self.x > 1988) self.x = 1988;
+	};
+	self.update = function () {
+		self.shootCooldown--;
+		if (self.shootCooldown <= 0) {
+			self.shootCooldown = self.shootRate;
+			createPlayerBullet();
+			LK.getSound('shoot').play();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000033
+});
+
+/**** 
+* Game Code
+****/ 
+var player;
+var aliens = [];
+var playerBullets = [];
+var alienBullets = [];
+var alienDirection = 1; // 1 for right, -1 for left
+var alienSpeed = 0.5;
+var waveNumber = 1;
+var aliensPerRow = 8;
+var alienRows = 5;
+var alienSpacingX = 200;
+var alienSpacingY = 100;
+var dragNode = null;
+// Score display
+var scoreTxt = new Text2('Score: 0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Wave display
+var waveTxt = new Text2('Wave: 1', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+waveTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveTxt);
+// Initialize player
+player = game.addChild(new PlayerShip());
+player.x = 1024;
+player.y = 2600;
+function createPlayerBullet() {
+	var bullet = new PlayerBullet();
+	bullet.x = player.x;
+	bullet.y = player.y - 50;
+	bullet.lastY = bullet.y;
+	playerBullets.push(bullet);
+	game.addChild(bullet);
+}
+function createAlienBullet(x, y) {
+	var bullet = new AlienBullet();
+	bullet.x = x;
+	bullet.y = y + 40;
+	bullet.lastY = bullet.y;
+	alienBullets.push(bullet);
+	game.addChild(bullet);
+}
+function spawnWave() {
+	aliens = [];
+	var startX = (2048 - (aliensPerRow - 1) * alienSpacingX) / 2;
+	var startY = 200;
+	for (var row = 0; row < alienRows; row++) {
+		for (var col = 0; col < aliensPerRow; col++) {
+			var alien = new Alien();
+			alien.x = startX + col * alienSpacingX;
+			alien.y = startY + row * alienSpacingY;
+			alien.lastY = alien.y;
+			alien.lastIntersectingPlayer = false;
+			aliens.push(alien);
+			game.addChild(alien);
+		}
+	}
+	alienSpeed += 0.2; // Increase speed each wave
+	waveTxt.setText('Wave: ' + waveNumber);
+}
+function moveAliens() {
+	var shouldDrop = false;
+	// Check if any alien hits the edge
+	for (var i = 0; i < aliens.length; i++) {
+		var alien = aliens[i];
+		var nextX = alien.x + alienDirection * alienSpeed;
+		if (nextX < 50 || nextX > 1998) {
+			shouldDrop = true;
+			break;
+		}
+	}
+	if (shouldDrop) {
+		// Change direction and drop down
+		alienDirection *= -1;
+		for (var i = 0; i < aliens.length; i++) {
+			aliens[i].y += aliens[i].dropDistance;
+		}
+	} else {
+		// Move horizontally
+		for (var i = 0; i < aliens.length; i++) {
+			aliens[i].x += alienDirection * alienSpeed;
+		}
+	}
+}
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.x = x;
+		if (dragNode.x < 60) dragNode.x = 60;
+		if (dragNode.x > 1988) dragNode.x = 1988;
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = player;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Initialize first wave
+spawnWave();
+game.update = function () {
+	// Move aliens every 30 ticks
+	if (LK.ticks % 30 == 0) {
+		moveAliens();
+	}
+	// Update player bullets
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		// Remove bullets that go off screen
+		if (bullet.lastY >= -20 && bullet.y < -20) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with aliens
+		var hit = false;
+		for (var j = aliens.length - 1; j >= 0; j--) {
+			var alien = aliens[j];
+			if (bullet.intersects(alien)) {
+				// Destroy alien and bullet
+				LK.setScore(LK.getScore() + 10);
+				scoreTxt.setText('Score: ' + LK.getScore());
+				LK.getSound('alienHit').play();
+				LK.effects.flashObject(alien, 0xffff00, 200);
+				alien.destroy();
+				aliens.splice(j, 1);
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				hit = true;
+				break;
+			}
+		}
+		if (!hit) {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update alien bullets
+	for (var i = alienBullets.length - 1; i >= 0; i--) {
+		var bullet = alienBullets[i];
+		// Remove bullets that go off screen
+		if (bullet.lastY <= 2752 && bullet.y > 2752) {
+			bullet.destroy();
+			alienBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with player
+		if (bullet.intersects(player)) {
+			LK.getSound('playerHit').play();
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		bullet.lastY = bullet.y;
+	}
+	// Check if aliens reach bottom
+	for (var i = 0; i < aliens.length; i++) {
+		var alien = aliens[i];
+		if (alien.lastY < 2400 && alien.y >= 2400) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			return;
+		}
+		alien.lastY = alien.y;
+	}
+	// Check if all aliens destroyed
+	if (aliens.length === 0) {
+		waveNumber++;
+		spawnWave();
+	}
+};
\ No newline at end of file