===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,336 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Dragon = Container.expand(function () {
+	var self = Container.call(this);
+	var dragonGraphics = self.attachAsset('dragon', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 100;
+	self.fireRate = 10;
+	self.fireTimer = 0;
+	self.speed = 8;
+	self.update = function () {
+		if (self.fireTimer > 0) {
+			self.fireTimer--;
+		}
+	};
+	self.canShoot = function () {
+		return self.fireTimer <= 0;
+	};
+	self.shoot = function () {
+		if (self.canShoot()) {
+			var fireball = new Fireball();
+			fireball.x = self.x + 60;
+			fireball.y = self.y;
+			fireballs.push(fireball);
+			game.addChild(fireball);
+			self.fireTimer = self.fireRate;
+			LK.getSound('shoot').play();
+		}
+	};
+	return self;
+});
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy1', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 10;
+	self.speed = 3;
+	self.damage = 10;
+	self.update = function () {
+		self.x -= self.speed;
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xff0000, 200);
+		if (self.health <= 0) {
+			self.destroy();
+			return true;
+		}
+		return false;
+	};
+	return self;
+});
+var FastEnemy = Container.expand(function () {
+	var self = Container.call(this);
+	var enemyGraphics = self.attachAsset('enemy2', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.health = 15;
+	self.speed = 5;
+	self.damage = 15;
+	self.update = function () {
+		self.x -= self.speed;
+		self.y += Math.sin(self.x * 0.02) * 2;
+	};
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xff0000, 200);
+		if (self.health <= 0) {
+			self.destroy();
+			return true;
+		}
+		return false;
+	};
+	return self;
+});
+var Fireball = Container.expand(function () {
+	var self = Container.call(this);
+	var fireballGraphics = self.attachAsset('fireball', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 12;
+	self.damage = 10;
+	self.update = function () {
+		self.x += self.speed;
+	};
+	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.type = 'damage'; // damage, firerate, speed
+	self.update = function () {
+		self.x -= self.speed;
+		self.rotation += 0.1;
+	};
+	return self;
+});
+var Tower = Container.expand(function () {
+	var self = Container.call(this);
+	var towerGraphics = self.attachAsset('tower', {
+		anchorX: 0.5,
+		anchorY: 1.0
+	});
+	self.maxHealth = 100;
+	self.health = 100;
+	self.takeDamage = function (damage) {
+		self.health -= damage;
+		LK.effects.flashObject(self, 0xff0000, 500);
+		if (self.health <= 0) {
+			self.health = 0;
+			LK.showGameOver();
+		}
+		updateHealthBar();
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x87ceeb
+});
+
+/**** 
+* Game Code
+****/ 
+// Background
+var forestBg = game.addChild(LK.getAsset('forestBg', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 0,
+	alpha: 0.7
+}));
+// Game variables
+var dragon = game.addChild(new Dragon());
+var tower = game.addChild(new Tower());
+var fireballs = [];
+var enemies = [];
+var powerups = [];
+var enemySpawnTimer = 0;
+var powerUpSpawnTimer = 0;
+var waveLevel = 1;
+var gameSpeed = 1;
+// Position initial elements
+dragon.x = 300;
+dragon.y = 1366;
+tower.x = 150;
+tower.y = 2200;
+// UI Elements
+var scoreTxt = new Text2('Score: 0', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0, 0);
+scoreTxt.x = 150;
+scoreTxt.y = 50;
+LK.gui.topLeft.addChild(scoreTxt);
+var healthTxt = new Text2('Tower Health: 100', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+healthTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(healthTxt);
+var waveTxt = new Text2('Wave: 1', {
+	size: 50,
+	fill: 0xFFFFFF
+});
+waveTxt.anchor.set(1, 0);
+LK.gui.topRight.addChild(waveTxt);
+function updateHealthBar() {
+	healthTxt.setText('Tower Health: ' + tower.health);
+}
+function updateScore() {
+	scoreTxt.setText('Score: ' + LK.getScore());
+}
+function updateWave() {
+	waveTxt.setText('Wave: ' + waveLevel);
+}
+// Touch controls
+var isDragging = false;
+game.down = function (x, y, obj) {
+	isDragging = true;
+	dragon.shoot();
+};
+game.move = function (x, y, obj) {
+	if (isDragging) {
+		dragon.x = Math.max(100, Math.min(1900, x));
+		dragon.y = Math.max(100, Math.min(2600, y));
+	}
+};
+game.up = function (x, y, obj) {
+	isDragging = false;
+};
+// Spawn functions
+function spawnEnemy() {
+	var enemy;
+	if (Math.random() < 0.3 + waveLevel * 0.1) {
+		enemy = new FastEnemy();
+	} else {
+		enemy = new Enemy();
+	}
+	enemy.x = 2100;
+	enemy.y = Math.random() * 2200 + 300;
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+function spawnPowerUp() {
+	var powerup = new PowerUp();
+	powerup.x = 2100;
+	powerup.y = Math.random() * 2200 + 300;
+	var rand = Math.random();
+	if (rand < 0.4) {
+		powerup.type = 'damage';
+	} else if (rand < 0.7) {
+		powerup.type = 'firerate';
+	} else {
+		powerup.type = 'speed';
+	}
+	powerups.push(powerup);
+	game.addChild(powerup);
+}
+// Main game loop
+game.update = function () {
+	// Increase difficulty over time
+	if (LK.ticks % 1800 == 0) {
+		// Every 30 seconds
+		waveLevel++;
+		updateWave();
+		gameSpeed += 0.1;
+	}
+	// Spawn enemies
+	enemySpawnTimer--;
+	if (enemySpawnTimer <= 0) {
+		spawnEnemy();
+		enemySpawnTimer = Math.max(30 - waveLevel * 2, 15);
+	}
+	// Spawn power-ups occasionally
+	powerUpSpawnTimer--;
+	if (powerUpSpawnTimer <= 0) {
+		if (Math.random() < 0.3) {
+			spawnPowerUp();
+		}
+		powerUpSpawnTimer = Math.random() * 600 + 300; // 5-15 seconds
+	}
+	// Update fireballs
+	for (var i = fireballs.length - 1; i >= 0; i--) {
+		var fireball = fireballs[i];
+		// Remove if off screen
+		if (fireball.x > 2200) {
+			fireball.destroy();
+			fireballs.splice(i, 1);
+			continue;
+		}
+		// Check collision with enemies
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (fireball.intersects(enemy)) {
+				if (enemy.takeDamage(fireball.damage)) {
+					enemies.splice(j, 1);
+					LK.setScore(LK.getScore() + 10);
+					updateScore();
+					LK.getSound('enemyHit').play();
+				}
+				fireball.destroy();
+				fireballs.splice(i, 1);
+				break;
+			}
+		}
+	}
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		// Check if enemy reached tower
+		if (enemy.x < 200) {
+			tower.takeDamage(enemy.damage);
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		// Check collision with dragon
+		if (enemy.intersects(dragon)) {
+			tower.takeDamage(5);
+			enemy.destroy();
+			enemies.splice(i, 1);
+			LK.effects.flashObject(dragon, 0xff0000, 300);
+		}
+	}
+	// Update power-ups
+	for (var i = powerups.length - 1; i >= 0; i--) {
+		var powerup = powerups[i];
+		// Remove if off screen
+		if (powerup.x < -100) {
+			powerup.destroy();
+			powerups.splice(i, 1);
+			continue;
+		}
+		// Check collision with dragon
+		if (powerup.intersects(dragon)) {
+			if (powerup.type === 'damage') {
+				dragon.damage = Math.min(dragon.damage + 5, 50);
+			} else if (powerup.type === 'firerate') {
+				dragon.fireRate = Math.max(dragon.fireRate - 2, 3);
+			} else if (powerup.type === 'speed') {
+				dragon.speed = Math.min(dragon.speed + 1, 15);
+			}
+			LK.getSound('powerUpCollect').play();
+			LK.effects.flashObject(dragon, 0xffd700, 500);
+			powerup.destroy();
+			powerups.splice(i, 1);
+		}
+	}
+	// Auto-shoot for dragon
+	if (LK.ticks % 20 == 0) {
+		dragon.shoot();
+	}
+};
+// Start background music
+LK.playMusic('bgmusic');
\ No newline at end of file