===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,326 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Bullet = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 12;
+	self.dx = 0;
+	self.dy = 0;
+	self.active = true;
+	self.update = function () {
+		if (!self.active) return;
+		self.x += self.dx;
+		self.y += self.dy;
+		if (self.x < -50 || self.x > 2098 || self.y < -50 || self.y > 2782) {
+			self.active = false;
+		}
+	};
+	self.setDirection = function (targetX, targetY) {
+		var dx = targetX - self.x;
+		var dy = targetY - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance > 0) {
+			self.dx = dx / distance * self.speed;
+			self.dy = dy / distance * self.speed;
+		}
+	};
+	return self;
+});
+var Monster = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('monster', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.health = 1;
+	self.damage = 10;
+	self.active = true;
+	self.lastPlayerDistance = 0;
+	self.update = function () {
+		if (!self.active) return;
+		var dx = player.x - self.x;
+		var dy = player.y - self.y;
+		var distance = Math.sqrt(dx * dx + dy * dy);
+		if (distance > 0) {
+			self.x += dx / distance * self.speed;
+			self.y += dy / distance * self.speed;
+		}
+		var currentDistance = distance;
+		if (self.lastPlayerDistance > 50 && currentDistance <= 50) {
+			player.takeDamage(self.damage);
+			self.active = false;
+		}
+		self.lastPlayerDistance = currentDistance;
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		if (self.health <= 0) {
+			self.active = false;
+			LK.setScore(LK.getScore() + 10);
+			LK.getSound('hit').play();
+			return true;
+		}
+		return false;
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 100;
+	self.maxHealth = 100;
+	self.fireRate = 8;
+	self.fireTimer = 0;
+	self.powerUpTimer = 0;
+	self.isEnhanced = false;
+	self.update = function () {
+		if (self.fireTimer > 0) {
+			self.fireTimer--;
+		}
+		if (self.powerUpTimer > 0) {
+			self.powerUpTimer--;
+			if (self.powerUpTimer <= 0) {
+				self.isEnhanced = false;
+				graphics.tint = 0xffffff;
+			}
+		}
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		if (self.health <= 0) {
+			self.health = 0;
+			LK.showGameOver();
+		}
+		LK.effects.flashObject(self, 0xff0000, 300);
+	};
+	self.canFire = function () {
+		return self.fireTimer <= 0;
+	};
+	self.fire = function () {
+		if (self.canFire()) {
+			self.fireTimer = self.isEnhanced ? self.fireRate / 2 : self.fireRate;
+			return true;
+		}
+		return false;
+	};
+	self.applyPowerUp = function () {
+		self.isEnhanced = true;
+		self.powerUpTimer = 300;
+		graphics.tint = 0x00ff00;
+	};
+	return self;
+});
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('powerup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.active = true;
+	self.lifeTime = 600;
+	self.blinkTimer = 0;
+	self.update = function () {
+		if (!self.active) return;
+		self.lifeTime--;
+		if (self.lifeTime <= 0) {
+			self.active = false;
+			return;
+		}
+		if (self.lifeTime < 120) {
+			self.blinkTimer++;
+			graphics.alpha = self.blinkTimer % 20 < 10 ? 1 : 0.3;
+		}
+		var distance = Math.sqrt(Math.pow(player.x - self.x, 2) + Math.pow(player.y - self.y, 2));
+		if (distance < 40) {
+			player.applyPowerUp();
+			self.active = false;
+			LK.getSound('pickup').play();
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x2c3e50
+});
+
+/**** 
+* Game Code
+****/ 
+var player = null;
+var bullets = [];
+var monsters = [];
+var powerups = [];
+var waveNumber = 1;
+var monstersInWave = 5;
+var monstersSpawned = 0;
+var monstersKilled = 0;
+var spawnTimer = 0;
+var waveDelay = 180;
+var powerUpSpawnTimer = 0;
+var scoreText = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+var healthText = new Text2('Health: 100', {
+	size: 50,
+	fill: 0xFF4444
+});
+healthText.anchor.set(0, 0);
+healthText.x = 120;
+healthText.y = 20;
+LK.gui.topLeft.addChild(healthText);
+var waveText = new Text2('Wave: 1', {
+	size: 50,
+	fill: 0x4A90E2
+});
+waveText.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveText);
+player = game.addChild(new Player());
+player.x = 1024;
+player.y = 1366;
+function spawnMonster() {
+	if (monstersSpawned >= monstersInWave) return;
+	var monster = new Monster();
+	var side = Math.floor(Math.random() * 4);
+	switch (side) {
+		case 0:
+			// Top
+			monster.x = Math.random() * 2048;
+			monster.y = -30;
+			break;
+		case 1:
+			// Right
+			monster.x = 2078;
+			monster.y = Math.random() * 2732;
+			break;
+		case 2:
+			// Bottom
+			monster.x = Math.random() * 2048;
+			monster.y = 2762;
+			break;
+		case 3:
+			// Left
+			monster.x = -30;
+			monster.y = Math.random() * 2732;
+			break;
+	}
+	monster.speed = 1.5 + waveNumber * 0.3;
+	monsters.push(monster);
+	game.addChild(monster);
+	monstersSpawned++;
+}
+function spawnPowerUp() {
+	if (powerups.length >= 2) return;
+	var powerup = new PowerUp();
+	powerup.x = 300 + Math.random() * 1448;
+	powerup.y = 300 + Math.random() * 2132;
+	powerups.push(powerup);
+	game.addChild(powerup);
+}
+function cleanupBullets() {
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		var bullet = bullets[i];
+		if (!bullet.active) {
+			bullet.destroy();
+			bullets.splice(i, 1);
+		}
+	}
+}
+function cleanupMonsters() {
+	for (var i = monsters.length - 1; i >= 0; i--) {
+		var monster = monsters[i];
+		if (!monster.active) {
+			monster.destroy();
+			monsters.splice(i, 1);
+			monstersKilled++;
+		}
+	}
+}
+function cleanupPowerUps() {
+	for (var i = powerups.length - 1; i >= 0; i--) {
+		var powerup = powerups[i];
+		if (!powerup.active) {
+			powerup.destroy();
+			powerups.splice(i, 1);
+		}
+	}
+}
+function checkBulletCollisions() {
+	for (var i = 0; i < bullets.length; i++) {
+		var bullet = bullets[i];
+		if (!bullet.active) continue;
+		for (var j = 0; j < monsters.length; j++) {
+			var monster = monsters[j];
+			if (!monster.active) continue;
+			if (bullet.intersects(monster)) {
+				bullet.active = false;
+				monster.takeDamage(1);
+				break;
+			}
+		}
+	}
+}
+function nextWave() {
+	waveNumber++;
+	monstersInWave = 5 + waveNumber * 2;
+	monstersSpawned = 0;
+	monstersKilled = 0;
+	spawnTimer = 0;
+	waveDelay = 180;
+	waveText.setText('Wave: ' + waveNumber);
+}
+game.down = function (x, y, obj) {
+	if (player.fire()) {
+		var bullet = new Bullet();
+		bullet.x = player.x;
+		bullet.y = player.y;
+		bullet.setDirection(x, y);
+		bullets.push(bullet);
+		game.addChild(bullet);
+		LK.getSound('shoot').play();
+	}
+};
+game.update = function () {
+	if (waveDelay > 0) {
+		waveDelay--;
+		return;
+	}
+	spawnTimer++;
+	if (spawnTimer >= 60 && monstersSpawned < monstersInWave) {
+		spawnMonster();
+		spawnTimer = 0;
+	}
+	powerUpSpawnTimer++;
+	if (powerUpSpawnTimer >= 900) {
+		spawnPowerUp();
+		powerUpSpawnTimer = 0;
+	}
+	checkBulletCollisions();
+	cleanupBullets();
+	cleanupMonsters();
+	cleanupPowerUps();
+	if (monstersKilled >= monstersInWave && monsters.length === 0) {
+		nextWave();
+	}
+	scoreText.setText('Score: ' + LK.getScore());
+	healthText.setText('Health: ' + player.health);
+};
\ No newline at end of file