===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,294 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Battleship = Container.expand(function () {
+	var self = Container.call(this);
+	var shipGraphics = self.attachAsset('battleship', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 3;
+	self.fireTimer = 0;
+	self.fireRate = 20; // Fire every 1/3 second
+	self.update = function () {
+		self.fireTimer++;
+		if (self.fireTimer >= self.fireRate) {
+			self.fireTimer = 0;
+			var bullet = new PlayerBullet();
+			bullet.x = self.x;
+			bullet.y = self.y - 50;
+			playerBullets.push(bullet);
+			game.addChild(bullet);
+			LK.getSound('playerShoot').play();
+		}
+	};
+	return self;
+});
+var Bomb = Container.expand(function () {
+	var self = Container.call(this);
+	var bombGraphics = self.attachAsset('bomb', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 4;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	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 EnemyPlane = Container.expand(function () {
+	var self = Container.call(this);
+	var planeGraphics = self.attachAsset('enemyPlane', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.health = 1;
+	self.fireTimer = 0;
+	self.fireRate = 120; // Fire every 2 seconds
+	self.update = function () {
+		self.y += self.speed;
+		self.fireTimer++;
+		// Fire bullets occasionally
+		if (self.fireTimer >= self.fireRate && Math.random() < 0.3) {
+			self.fireTimer = 0;
+			var bullet = new EnemyBullet();
+			bullet.x = self.x;
+			bullet.y = self.y + 30;
+			enemyBullets.push(bullet);
+			game.addChild(bullet);
+		}
+		// Drop bombs occasionally
+		if (Math.random() < 0.002) {
+			var bomb = new Bomb();
+			bomb.x = self.x;
+			bomb.y = self.y + 30;
+			bombs.push(bomb);
+			game.addChild(bomb);
+		}
+	};
+	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 = -8;
+	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 battleship;
+var playerBullets = [];
+var enemyPlanes = [];
+var enemyBullets = [];
+var bombs = [];
+var waveTimer = 0;
+var waveSize = 3;
+var enemySpawnRate = 180; // 3 seconds
+var dragNode = null;
+// UI Elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var healthTxt = new Text2('Health: 3', {
+	size: 50,
+	fill: 0xFF0000
+});
+healthTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(healthTxt);
+// Create battleship
+battleship = game.addChild(new Battleship());
+battleship.x = 2048 / 2;
+battleship.y = 2732 - 150;
+// Touch/Mouse controls
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.x = Math.max(60, Math.min(2048 - 60, x));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = battleship;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Spawn enemy waves
+function spawnEnemyWave() {
+	var formation = Math.floor(Math.random() * 3); // 3 different formations
+	for (var i = 0; i < waveSize; i++) {
+		var enemy = new EnemyPlane();
+		if (formation === 0) {
+			// Line formation
+			enemy.x = 200 + i * 200;
+			enemy.y = -50;
+		} else if (formation === 1) {
+			// V formation
+			enemy.x = 1024 + (i - Math.floor(waveSize / 2)) * 150;
+			enemy.y = -50 - Math.abs(i - Math.floor(waveSize / 2)) * 30;
+		} else {
+			// Scattered formation
+			enemy.x = 200 + Math.random() * 1648;
+			enemy.y = -50 - Math.random() * 100;
+		}
+		enemy.speed = 1 + Math.random() * 2;
+		enemyPlanes.push(enemy);
+		game.addChild(enemy);
+	}
+}
+// Main game update loop
+game.update = function () {
+	waveTimer++;
+	// Spawn enemy waves
+	if (waveTimer >= enemySpawnRate) {
+		waveTimer = 0;
+		spawnEnemyWave();
+		// Increase difficulty over time
+		if (enemySpawnRate > 60) {
+			enemySpawnRate -= 2;
+		}
+		if (waveSize < 6) {
+			waveSize += 0.1;
+		}
+	}
+	// Update and check 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 >= -10 && bullet.y < -10) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with enemy planes
+		var hitEnemy = false;
+		for (var j = enemyPlanes.length - 1; j >= 0; j--) {
+			var enemy = enemyPlanes[j];
+			if (bullet.intersects(enemy)) {
+				// Enemy hit
+				enemy.health--;
+				if (enemy.health <= 0) {
+					LK.setScore(LK.getScore() + 100);
+					scoreTxt.setText('Score: ' + LK.getScore());
+					LK.effects.flashObject(enemy, 0xff0000, 300);
+					LK.getSound('enemyHit').play();
+					setTimeout(function () {
+						enemy.destroy();
+					}, 300);
+					enemyPlanes.splice(j, 1);
+				}
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				hitEnemy = true;
+				break;
+			}
+		}
+		if (!hitEnemy) {
+			bullet.lastY = bullet.y;
+		}
+	}
+	// Update and check enemy planes
+	for (var i = enemyPlanes.length - 1; i >= 0; i--) {
+		var enemy = enemyPlanes[i];
+		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
+		// Remove enemies that go off screen
+		if (enemy.lastY <= 2782 && enemy.y > 2782) {
+			enemy.destroy();
+			enemyPlanes.splice(i, 1);
+			continue;
+		}
+		enemy.lastY = enemy.y;
+	}
+	// Update and check 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 <= 2782 && bullet.y > 2782) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		// Check collision with battleship
+		if (bullet.intersects(battleship)) {
+			battleship.health--;
+			healthTxt.setText('Health: ' + battleship.health);
+			LK.effects.flashObject(battleship, 0xff0000, 500);
+			LK.getSound('playerHit').play();
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			if (battleship.health <= 0) {
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+			continue;
+		}
+		bullet.lastY = bullet.y;
+	}
+	// Update and check bombs
+	for (var i = bombs.length - 1; i >= 0; i--) {
+		var bomb = bombs[i];
+		if (bomb.lastY === undefined) bomb.lastY = bomb.y;
+		// Remove bombs that go off screen
+		if (bomb.lastY <= 2782 && bomb.y > 2782) {
+			bomb.destroy();
+			bombs.splice(i, 1);
+			continue;
+		}
+		// Check collision with battleship
+		if (bomb.intersects(battleship)) {
+			battleship.health -= 2; // Bombs do more damage
+			healthTxt.setText('Health: ' + battleship.health);
+			LK.effects.flashObject(battleship, 0xff0000, 800);
+			LK.getSound('explosion').play();
+			bomb.destroy();
+			bombs.splice(i, 1);
+			if (battleship.health <= 0) {
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+			continue;
+		}
+		bomb.lastY = bomb.y;
+	}
+};
\ No newline at end of file