===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,251 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+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.lastY = self.y;
+	self.lastIntersectingPlayer = false;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speed;
+	};
+	return self;
+});
+var EnemyShip = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemyShip', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.shootTimer = 0;
+	self.shootInterval = 60;
+	self.waveNumber = 1;
+	self.lastY = self.y;
+	self.lastIntersectingPlayer = false;
+	self.update = function () {
+		self.lastY = self.y;
+		self.y += self.speed;
+		self.shootTimer++;
+	};
+	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.lastY = self.y;
+	self.update = function () {
+		self.lastY = self.y;
+		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.x = 1024;
+	self.y = 2500;
+	self.moveLeft = function () {
+		if (self.x > 50) {
+			self.x -= self.speed;
+		}
+	};
+	self.moveRight = function () {
+		if (self.x < 1998) {
+			self.x += self.speed;
+		}
+	};
+	self.moveUp = function () {
+		if (self.y > 100) {
+			self.y -= self.speed;
+		}
+	};
+	self.moveDown = function () {
+		if (self.y < 2650) {
+			self.y += self.speed;
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000814
+});
+
+/**** 
+* Game Code
+****/ 
+var player = game.addChild(new PlayerShip());
+var playerBullets = [];
+var enemies = [];
+var enemyBullets = [];
+var waveCount = 1;
+var waveTimer = 0;
+var shootCooldown = 0;
+var gameActive = true;
+var touchStartX = 0;
+var touchStartY = 0;
+var currentTouchX = 1024;
+var currentTouchY = 2500;
+var scoreText = new Text2('Score: 0', {
+	size: 100,
+	fill: '#ffffff'
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var waveText = new Text2('Wave: 1', {
+	size: 80,
+	fill: '#ffff00'
+});
+waveText.anchor.set(0.5, 0);
+waveText.x = 500;
+LK.gui.top.addChild(waveText);
+function spawnEnemyWave() {
+	var enemyCount = 3 + Math.floor(waveCount / 2);
+	var spacing = 1800 / enemyCount;
+	for (var i = 0; i < enemyCount; i++) {
+		var newEnemy = new EnemyShip();
+		newEnemy.x = 150 + i * spacing + Math.random() * 100;
+		newEnemy.y = -100;
+		newEnemy.speed = 1 + waveCount * 0.5;
+		newEnemy.shootInterval = Math.max(40, 80 - waveCount * 5);
+		newEnemy.waveNumber = waveCount;
+		enemies.push(newEnemy);
+		game.addChild(newEnemy);
+	}
+}
+function handleTouchMove(x, y, obj) {
+	currentTouchX = x;
+	currentTouchY = y;
+}
+game.move = handleTouchMove;
+game.down = function (x, y, obj) {
+	touchStartX = x;
+	touchStartY = y;
+};
+game.up = function (x, y, obj) {
+	touchStartX = 0;
+	touchStartY = 0;
+};
+spawnEnemyWave();
+LK.playMusic('bgmusic');
+game.update = function () {
+	if (!gameActive) return;
+	shootCooldown--;
+	waveTimer++;
+	var distX = currentTouchX - player.x;
+	var distY = currentTouchY - player.y;
+	var distance = Math.sqrt(distX * distX + distY * distY);
+	if (distance > 20) {
+		var moveSpeed = 8;
+		player.x += distX / distance * moveSpeed;
+		player.y += distY / distance * moveSpeed;
+	}
+	player.x = Math.max(50, Math.min(1998, player.x));
+	player.y = Math.max(100, Math.min(2650, player.y));
+	if (shootCooldown <= 0) {
+		var newBullet = new PlayerBullet();
+		newBullet.x = player.x;
+		newBullet.y = player.y - 50;
+		newBullet.lastY = newBullet.y;
+		playerBullets.push(newBullet);
+		game.addChild(newBullet);
+		LK.getSound('shoot').play();
+		shootCooldown = 15;
+	}
+	for (var i = playerBullets.length - 1; i >= 0; i--) {
+		var bullet = playerBullets[i];
+		bullet.update();
+		if (bullet.y < -50) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				LK.setScore(LK.getScore() + 10);
+				scoreText.setText('Score: ' + LK.getScore());
+				LK.effects.flashObject(enemy, 0xffff00, 200);
+				LK.getSound('explosion').play();
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				enemy.destroy();
+				enemies.splice(j, 1);
+				break;
+			}
+		}
+	}
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		enemy.update();
+		var currentIntersectingPlayer = enemy.intersects(player);
+		if (!enemy.lastIntersectingPlayer && currentIntersectingPlayer) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			gameActive = false;
+			return;
+		}
+		enemy.lastIntersectingPlayer = currentIntersectingPlayer;
+		if (enemy.y > 2732) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		if (enemy.shootTimer >= enemy.shootInterval) {
+			var newEnemyBullet = new EnemyBullet();
+			newEnemyBullet.x = enemy.x;
+			newEnemyBullet.y = enemy.y + 30;
+			newEnemyBullet.lastY = newEnemyBullet.y;
+			newEnemyBullet.lastIntersectingPlayer = false;
+			enemyBullets.push(newEnemyBullet);
+			game.addChild(newEnemyBullet);
+			enemy.shootTimer = 0;
+		}
+	}
+	for (var i = enemyBullets.length - 1; i >= 0; i--) {
+		var bullet = enemyBullets[i];
+		bullet.update();
+		if (bullet.y > 2732) {
+			bullet.destroy();
+			enemyBullets.splice(i, 1);
+			continue;
+		}
+		var currentIntersectingPlayer = bullet.intersects(player);
+		if (!bullet.lastIntersectingPlayer && currentIntersectingPlayer) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+			gameActive = false;
+			return;
+		}
+		bullet.lastIntersectingPlayer = currentIntersectingPlayer;
+	}
+	if (enemies.length === 0 && waveTimer > 120) {
+		waveCount++;
+		waveTimer = 0;
+		waveText.setText('Wave: ' + waveCount);
+		spawnEnemyWave();
+	}
+};
\ No newline at end of file