===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,337 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var BeatIndicator = Container.expand(function () {
+	var self = Container.call(this);
+	var graphics = self.attachAsset('beatIndicator', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.pulse = function () {
+		graphics.scaleX = 1.5;
+		graphics.scaleY = 1.5;
+		tween(graphics, {
+			scaleX: 1,
+			scaleY: 1
+		}, {
+			duration: 200
+		});
+	};
+	return self;
+});
+var Enemy = Container.expand(function (color, direction) {
+	var self = Container.call(this);
+	var enemyAsset = 'redEnemy';
+	if (color === 'blue') enemyAsset = 'blueEnemy';else if (color === 'green') enemyAsset = 'greenEnemy';else if (color === 'yellow') enemyAsset = 'yellowEnemy';
+	var graphics = self.attachAsset(enemyAsset, {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.color = color;
+	self.direction = direction;
+	self.health = 3;
+	self.maxHealth = 3;
+	self.speed = 1;
+	self.targetY = 2200;
+	self.lastY = self.y;
+	self.takeDamage = function () {
+		self.health--;
+		graphics.alpha = 0.5 + self.health / self.maxHealth * 0.5;
+		if (self.health <= 0) {
+			LK.effects.flashObject(self, 0xffffff, 300);
+			return true; // Enemy defeated
+		}
+		return false;
+	};
+	self.update = function () {
+		self.y += self.speed;
+	};
+	return self;
+});
+var InputZone = Container.expand(function (color, direction, keyText) {
+	var self = Container.call(this);
+	var background = self.attachAsset('inputHint', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var keyLabel = new Text2(keyText, {
+		size: 36,
+		fill: 0xFFFFFF
+	});
+	keyLabel.anchor.set(0.5, 0.5);
+	self.addChild(keyLabel);
+	self.color = color;
+	self.direction = direction;
+	self.active = false;
+	self.activate = function () {
+		self.active = true;
+		background.tint = self.getColorValue();
+		tween(background, {
+			tint: 0x444444
+		}, {
+			duration: 300
+		});
+	};
+	self.getColorValue = function () {
+		if (self.color === 'red') return 0xff0000;
+		if (self.color === 'blue') return 0x0066ff;
+		if (self.color === 'green') return 0x00ff00;
+		if (self.color === 'yellow') return 0xffff00;
+		return 0xffffff;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1a0d33
+});
+
+/**** 
+* Game Code
+****/ 
+// Game state variables
+var gameState = 'playing'; // playing, gameOver
+var lives = 3;
+var score = 0;
+var combo = 0;
+var bpm = 120;
+var beatInterval = 60 / bpm * 1000; // milliseconds per beat
+var lastBeatTime = 0;
+var beatTolerance = 200; // ms tolerance for timing
+// Game objects
+var idol;
+var enemies = [];
+var beatIndicator;
+var inputZones = [];
+var enemySpawnTimer = 0;
+var nextBeatTime = 0;
+// Enemy configuration
+var enemyColors = ['red', 'blue', 'green', 'yellow'];
+var enemyDirections = ['up', 'left', 'down', 'right'];
+var keyMappings = {
+	'up': 'W',
+	'left': 'A',
+	'down': 'S',
+	'right': 'D'
+};
+// Initialize background
+var background = game.attachAsset('background', {
+	anchorX: 0,
+	anchorY: 0,
+	x: 0,
+	y: 0
+});
+// Initialize idol character
+idol = game.addChild(LK.getAsset('idol', {
+	anchorX: 0.5,
+	anchorY: 1.0
+}));
+idol.x = 1024;
+idol.y = 2500;
+// Initialize beat indicator
+beatIndicator = game.addChild(new BeatIndicator());
+beatIndicator.x = 1024;
+beatIndicator.y = 150;
+// Initialize input zones
+var zonePositions = [{
+	x: 1024,
+	y: 2400
+},
+// W - up
+{
+	x: 900,
+	y: 2500
+},
+// A - left  
+{
+	x: 1024,
+	y: 2600
+},
+// S - down
+{
+	x: 1148,
+	y: 2500
+} // D - right
+];
+for (var i = 0; i < 4; i++) {
+	var zone = game.addChild(new InputZone(enemyColors[i], enemyDirections[i], keyMappings[enemyDirections[i]]));
+	zone.x = zonePositions[i].x;
+	zone.y = zonePositions[i].y;
+	inputZones.push(zone);
+}
+// Initialize UI
+var scoreText = new Text2('Score: 0', {
+	size: 48,
+	fill: 0xFFFFFF
+});
+scoreText.anchor.set(0, 0);
+LK.gui.topRight.addChild(scoreText);
+var livesText = new Text2('Lives: 3', {
+	size: 48,
+	fill: 0xFF0000
+});
+livesText.anchor.set(1, 0);
+LK.gui.topLeft.addChild(livesText);
+var comboText = new Text2('Combo: 0', {
+	size: 36,
+	fill: 0xFFFF00
+});
+comboText.anchor.set(0.5, 0);
+LK.gui.top.addChild(comboText);
+// Input handling
+var pressedKeys = {};
+var inputBuffer = [];
+function processInput(direction) {
+	var currentTime = Date.now();
+	var timeSinceLastBeat = currentTime - lastBeatTime;
+	var timeToNextBeat = nextBeatTime - currentTime;
+	var isOnBeat = Math.abs(timeSinceLastBeat) <= beatTolerance || Math.abs(timeToNextBeat) <= beatTolerance;
+	if (isOnBeat) {
+		// Find matching enemy
+		var hitEnemy = null;
+		var minDistance = Infinity;
+		for (var i = 0; i < enemies.length; i++) {
+			var enemy = enemies[i];
+			if (enemy.direction === direction && enemy.y > 2000 && enemy.y < 2700) {
+				var distance = Math.abs(enemy.y - 2400);
+				if (distance < minDistance) {
+					minDistance = distance;
+					hitEnemy = enemy;
+				}
+			}
+		}
+		if (hitEnemy) {
+			var defeated = hitEnemy.takeDamage();
+			if (defeated) {
+				var index = enemies.indexOf(hitEnemy);
+				if (index > -1) {
+					hitEnemy.destroy();
+					enemies.splice(index, 1);
+					score += 100 * (combo + 1);
+					combo++;
+				}
+			}
+			// Find matching input zone and activate
+			for (var j = 0; j < inputZones.length; j++) {
+				if (inputZones[j].direction === direction) {
+					inputZones[j].activate();
+					break;
+				}
+			}
+			LK.getSound('hit').play();
+		} else {
+			combo = 0;
+			LK.getSound('miss').play();
+		}
+	} else {
+		combo = 0;
+		LK.getSound('miss').play();
+	}
+	updateUI();
+}
+function updateUI() {
+	scoreText.setText('Score: ' + score);
+	livesText.setText('Lives: ' + lives);
+	comboText.setText('Combo: ' + combo);
+}
+function spawnEnemy() {
+	var colorIndex = Math.floor(Math.random() * enemyColors.length);
+	var color = enemyColors[colorIndex];
+	var direction = enemyDirections[colorIndex];
+	var enemy = game.addChild(new Enemy(color, direction));
+	enemy.x = Math.random() * 1800 + 200;
+	enemy.y = -100;
+	enemy.lastY = enemy.y;
+	enemies.push(enemy);
+}
+// Touch controls for mobile
+var touchZones = [{
+	x: 1024,
+	y: 200,
+	width: 200,
+	height: 200,
+	direction: 'up'
+},
+// Top area for W
+{
+	x: 200,
+	y: 1366,
+	width: 400,
+	height: 400,
+	direction: 'left'
+},
+// Left area for A
+{
+	x: 1024,
+	y: 2400,
+	width: 200,
+	height: 200,
+	direction: 'down'
+},
+// Bottom area for S
+{
+	x: 1600,
+	y: 1366,
+	width: 400,
+	height: 400,
+	direction: 'right'
+} // Right area for D
+];
+game.down = function (x, y, obj) {
+	for (var i = 0; i < touchZones.length; i++) {
+		var zone = touchZones[i];
+		if (x >= zone.x - zone.width / 2 && x <= zone.x + zone.width / 2 && y >= zone.y - zone.height / 2 && y <= zone.y + zone.height / 2) {
+			processInput(zone.direction);
+			break;
+		}
+	}
+};
+// Main game loop
+game.update = function () {
+	if (gameState !== 'playing') return;
+	var currentTime = Date.now();
+	// Beat tracking
+	if (currentTime >= nextBeatTime) {
+		lastBeatTime = currentTime;
+		nextBeatTime = currentTime + beatInterval;
+		beatIndicator.pulse();
+	}
+	// Enemy spawning
+	enemySpawnTimer++;
+	if (enemySpawnTimer >= 90) {
+		// Spawn every ~1.5 seconds at 60fps
+		spawnEnemy();
+		enemySpawnTimer = 0;
+	}
+	// Update enemies
+	for (var i = enemies.length - 1; i >= 0; i--) {
+		var enemy = enemies[i];
+		// Check if enemy reached bottom
+		if (enemy.lastY < 2732 && enemy.y >= 2732) {
+			lives--;
+			enemy.destroy();
+			enemies.splice(i, 1);
+			combo = 0;
+			if (lives <= 0) {
+				gameState = 'gameOver';
+				LK.showGameOver();
+				return;
+			}
+			updateUI();
+			LK.effects.flashScreen(0xff0000, 500);
+		}
+		enemy.lastY = enemy.y;
+	}
+};
+// Start background music
+LK.playMusic('bgmusic');
+// Initialize beat timing
+nextBeatTime = Date.now() + beatInterval;
\ No newline at end of file