===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,278 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Enemy = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('enemy', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 3;
+	self.health = 1;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('player', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.fireRate = 10;
+	self.lastFireTick = 0;
+	self.rapidFireTimer = 0;
+	self.shieldTimer = 0;
+	self.update = function () {
+		// Auto-fire logic
+		var currentFireRate = self.rapidFireTimer > 0 ? 5 : self.fireRate;
+		if (LK.ticks - self.lastFireTick >= currentFireRate) {
+			self.fire();
+			self.lastFireTick = LK.ticks;
+		}
+		// Update power-up timers
+		if (self.rapidFireTimer > 0) {
+			self.rapidFireTimer--;
+			graphics.tint = 0xffaa00; // Orange tint for rapid fire
+		} else {
+			graphics.tint = 0xffffff; // Normal color
+		}
+		if (self.shieldTimer > 0) {
+			self.shieldTimer--;
+			graphics.alpha = 0.7 + 0.3 * Math.sin(LK.ticks * 0.3); // Pulsing shield effect
+		} else {
+			graphics.alpha = 1.0;
+		}
+	};
+	self.fire = function () {
+		var bullet = new PlayerBullet();
+		bullet.x = self.x;
+		bullet.y = self.y - 50;
+		playerBullets.push(bullet);
+		game.addChild(bullet);
+		LK.getSound('shoot').play();
+	};
+	self.activatePowerUp = function (type) {
+		if (type === 'rapidfire') {
+			self.rapidFireTimer = 300; // 5 seconds at 60fps
+		} else if (type === 'shield') {
+			self.shieldTimer = 600; // 10 seconds at 60fps
+		}
+	};
+	return self;
+});
+var PlayerBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('playerBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -12;
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var PowerUp = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('powerup', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.type = 'rapidfire'; // rapidfire, shield
+	self.update = function () {
+		self.y += self.speed;
+		// Gentle floating animation
+		graphics.rotation += 0.02;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x000011
+});
+
+/**** 
+* Game Code
+****/ 
+// Game variables
+var player;
+var enemies = [];
+var playerBullets = [];
+var powerUps = [];
+var dragNode = null;
+var gameSpeed = 1;
+var enemySpawnRate = 60;
+var powerUpSpawnRate = 900;
+var difficultyTimer = 0;
+// Create UI
+var scoreTxt = new Text2('0', {
+	size: 80,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var survivalTimeTxt = new Text2('Time: 0s', {
+	size: 60,
+	fill: 0xFFFFFF
+});
+survivalTimeTxt.anchor.set(1, 0);
+survivalTimeTxt.x = -20;
+survivalTimeTxt.y = 20;
+LK.gui.topRight.addChild(survivalTimeTxt);
+// Initialize player
+player = game.addChild(new Player());
+player.x = 1024;
+player.y = 2200;
+// Movement handling
+function handleMove(x, y, obj) {
+	if (dragNode) {
+		dragNode.x = Math.max(50, Math.min(1998, x));
+		dragNode.y = Math.max(100, Math.min(2600, y));
+	}
+}
+game.move = handleMove;
+game.down = function (x, y, obj) {
+	dragNode = player;
+	handleMove(x, y, obj);
+};
+game.up = function (x, y, obj) {
+	dragNode = null;
+};
+// Spawn functions
+function spawnEnemy() {
+	var enemy = new Enemy();
+	enemy.x = Math.random() * 1900 + 74;
+	enemy.y = -30;
+	enemy.speed = 2 + Math.random() * 3 + gameSpeed;
+	enemies.push(enemy);
+	game.addChild(enemy);
+}
+function spawnPowerUp() {
+	var powerup = new PowerUp();
+	powerup.x = Math.random() * 1900 + 74;
+	powerup.y = -30;
+	powerup.type = Math.random() < 0.5 ? 'rapidfire' : 'shield';
+	powerUps.push(powerup);
+	game.addChild(powerup);
+}
+// Main game update
+game.update = function () {
+	// Update survival time
+	var survivalTime = Math.floor(LK.ticks / 60);
+	survivalTimeTxt.setText('Time: ' + survivalTime + 's');
+	// Difficulty progression
+	difficultyTimer++;
+	if (difficultyTimer % 600 === 0) {
+		// Every 10 seconds
+		gameSpeed += 0.5;
+		enemySpawnRate = Math.max(20, enemySpawnRate - 3);
+	}
+	// Spawn enemies
+	if (LK.ticks % enemySpawnRate === 0) {
+		spawnEnemy();
+	}
+	// Spawn power-ups
+	if (LK.ticks % powerUpSpawnRate === 0) {
+		spawnPowerUp();
+	}
+	// Update and manage 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 >= -25 && bullet.y < -25) {
+			bullet.destroy();
+			playerBullets.splice(i, 1);
+			continue;
+		}
+		// Check bullet-enemy collisions
+		for (var j = enemies.length - 1; j >= 0; j--) {
+			var enemy = enemies[j];
+			if (bullet.intersects(enemy)) {
+				// Hit enemy
+				LK.setScore(LK.getScore() + 10);
+				scoreTxt.setText(LK.getScore());
+				LK.getSound('hit').play();
+				// Remove bullet and enemy
+				bullet.destroy();
+				playerBullets.splice(i, 1);
+				enemy.destroy();
+				enemies.splice(j, 1);
+				break;
+			}
+		}
+		bullet.lastY = bullet.y;
+	}
+	// Update and manage enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		if (enemy.lastY === undefined) enemy.lastY = enemy.y;
+		if (enemy.lastIntersecting === undefined) enemy.lastIntersecting = false;
+		// Remove enemies that go off screen
+		if (enemy.lastY <= 2762 && enemy.y > 2762) {
+			enemy.destroy();
+			enemies.splice(i, 1);
+			continue;
+		}
+		// Check player-enemy collision
+		var currentIntersecting = enemy.intersects(player);
+		if (!enemy.lastIntersecting && currentIntersecting) {
+			// Check if player has shield
+			if (player.shieldTimer > 0) {
+				// Shield absorbs hit
+				player.shieldTimer = 0;
+				LK.setScore(LK.getScore() + 5);
+				scoreTxt.setText(LK.getScore());
+				enemy.destroy();
+				enemies.splice(i, 1);
+				continue;
+			} else {
+				// Game over
+				LK.effects.flashScreen(0xff0000, 1000);
+				LK.showGameOver();
+				return;
+			}
+		}
+		enemy.lastY = enemy.y;
+		enemy.lastIntersecting = currentIntersecting;
+	}
+	// Update and manage power-ups
+	for (var i = powerUps.length - 1; i >= 0; i--) {
+		var powerup = powerUps[i];
+		if (powerup.lastY === undefined) powerup.lastY = powerup.y;
+		if (powerup.lastIntersecting === undefined) powerup.lastIntersecting = false;
+		// Remove power-ups that go off screen
+		if (powerup.lastY <= 2762 && powerup.y > 2762) {
+			powerup.destroy();
+			powerUps.splice(i, 1);
+			continue;
+		}
+		// Check player-powerup collision
+		var currentIntersecting = powerup.intersects(player);
+		if (!powerup.lastIntersecting && currentIntersecting) {
+			// Collect power-up
+			player.activatePowerUp(powerup.type);
+			LK.getSound('powerup').play();
+			LK.setScore(LK.getScore() + 25);
+			scoreTxt.setText(LK.getScore());
+			powerup.destroy();
+			powerUps.splice(i, 1);
+			continue;
+		}
+		powerup.lastY = powerup.y;
+		powerup.lastIntersecting = currentIntersecting;
+	}
+};
+// Start background music
+LK.playMusic('background');
\ No newline at end of file