===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,423 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+
+/**** 
+* Classes
+****/ 
+var Note = Container.expand(function (beat, track) {
+	var self = Container.call(this);
+	var noteGraphics = self.attachAsset('note', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.beat = beat;
+	self.track = track;
+	self.speed = 4;
+	self.hit = false;
+	self.missed = false;
+	self.update = function () {
+		self.y += self.speed;
+		// Check if note passed hit zone without being hit
+		if (!self.hit && !self.missed && self.y > hitZoneY + 100) {
+			self.missed = true;
+			missedNotes++;
+		}
+	};
+	return self;
+});
+var SongButton = Container.expand(function (songId, songName, yPos) {
+	var self = Container.call(this);
+	var buttonBg = self.attachAsset('songButton', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	var buttonText = new Text2(songName, {
+		size: 40,
+		fill: '#FFFFFF'
+	});
+	buttonText.anchor.set(0.5, 0.5);
+	self.addChild(buttonText);
+	self.songId = songId;
+	self.x = 1024;
+	self.y = yPos;
+	self.down = function (x, y, obj) {
+		selectSong(self.songId);
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x1A1A2E
+});
+
+/**** 
+* Game Code
+****/ 
+// Game states
+var GAME_STATE = {
+	SONG_SELECT: 0,
+	PATTERN_CREATE: 1,
+	PATTERN_RECREATE: 2,
+	AI_CHALLENGE: 3,
+	GAME_OVER: 4
+};
+var currentState = GAME_STATE.SONG_SELECT;
+var selectedSong = null;
+var currentMusic = null;
+// Pattern data
+var playerPattern = [];
+var currentPattern = [];
+var patternStartTime = 0;
+var passNumber = 1;
+// Timing variables
+var bpm = 120;
+var beatDuration = 60000 / bpm; // milliseconds per beat
+var songStartTime = 0;
+var lastBeatTime = 0;
+// Game objects
+var notes = [];
+var tracks = [];
+var hitZones = [];
+var uiElements = [];
+// Scoring
+var score = 0;
+var hitNotes = 0;
+var missedNotes = 0;
+// Track positions
+var trackPositions = [400, 600, 800, 1000, 1200, 1400, 1648];
+var hitZoneY = 2200;
+// UI Text elements
+var titleText = new Text2('Rhythm Echo Challenge', {
+	size: 80,
+	fill: '#FFFFFF'
+});
+titleText.anchor.set(0.5, 0.5);
+titleText.x = 1024;
+titleText.y = 300;
+var instructionText = new Text2('Select a Song', {
+	size: 50,
+	fill: '#ECFF86'
+});
+instructionText.anchor.set(0.5, 0.5);
+instructionText.x = 1024;
+instructionText.y = 500;
+var scoreText = new Text2('Score: 0', {
+	size: 60,
+	fill: '#FFFFFF'
+});
+scoreText.anchor.set(0.5, 0);
+var passText = new Text2('Pass 1/3', {
+	size: 40,
+	fill: '#FFFFFF'
+});
+passText.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreText);
+LK.gui.topRight.addChild(passText);
+passText.x = -150;
+passText.y = 20;
+// Initialize game elements
+function initializeGame() {
+	// Create background
+	var bg = game.addChild(LK.getAsset('background', {
+		anchorX: 0,
+		anchorY: 0,
+		x: 0,
+		y: 0
+	}));
+	// Create tracks
+	for (var i = 0; i < trackPositions.length; i++) {
+		var track = game.addChild(LK.getAsset('trackLine', {
+			anchorX: 0.5,
+			anchorY: 0,
+			x: trackPositions[i],
+			y: 0
+		}));
+		track.alpha = 0.3;
+		tracks.push(track);
+	}
+	// Create hit zones
+	for (var i = 0; i < trackPositions.length; i++) {
+		var hitZone = game.addChild(LK.getAsset('hitZone', {
+			anchorX: 0.5,
+			anchorY: 0.5,
+			x: trackPositions[i],
+			y: hitZoneY
+		}));
+		hitZone.alpha = 0.6;
+		hitZones.push(hitZone);
+	}
+	showSongSelection();
+}
+function showSongSelection() {
+	currentState = GAME_STATE.SONG_SELECT;
+	game.addChild(titleText);
+	game.addChild(instructionText);
+	// Create song buttons
+	var songButton1 = game.addChild(new SongButton('song1', 'Electronic Beat', 700));
+	var songButton2 = game.addChild(new SongButton('song2', 'Rock Anthem', 820));
+	var songButton3 = game.addChild(new SongButton('song3', 'Jazz Fusion', 940));
+	uiElements.push(songButton1, songButton2, songButton3);
+}
+function selectSong(songId) {
+	selectedSong = songId;
+	// Clear UI elements
+	for (var i = 0; i < uiElements.length; i++) {
+		uiElements[i].destroy();
+	}
+	uiElements = [];
+	titleText.destroy();
+	instructionText.destroy();
+	startPatternCreation();
+}
+function startPatternCreation() {
+	currentState = GAME_STATE.PATTERN_CREATE;
+	passNumber = 1;
+	updatePassText();
+	var createText = new Text2('Tap to create your rhythm pattern!', {
+		size: 50,
+		fill: '#ECFF86'
+	});
+	createText.anchor.set(0.5, 0.5);
+	createText.x = 1024;
+	createText.y = 400;
+	game.addChild(createText);
+	uiElements.push(createText);
+	// Start music
+	currentMusic = selectedSong;
+	LK.playMusic(selectedSong);
+	songStartTime = Date.now();
+	patternStartTime = songStartTime;
+	playerPattern = [];
+	// Auto advance after 30 seconds
+	LK.setTimeout(function () {
+		if (currentState === GAME_STATE.PATTERN_CREATE) {
+			startPatternRecreation();
+		}
+	}, 30000);
+}
+function startPatternRecreation() {
+	currentState = GAME_STATE.PATTERN_RECREATE;
+	passNumber = 2;
+	updatePassText();
+	// Clear UI
+	for (var i = 0; i < uiElements.length; i++) {
+		uiElements[i].destroy();
+	}
+	uiElements = [];
+	var recreateText = new Text2('Recreate your pattern!', {
+		size: 50,
+		fill: '#ECFF86'
+	});
+	recreateText.anchor.set(0.5, 0.5);
+	recreateText.x = 1024;
+	recreateText.y = 400;
+	game.addChild(recreateText);
+	uiElements.push(recreateText);
+	// Restart music and prepare pattern
+	LK.stopMusic();
+	LK.setTimeout(function () {
+		LK.playMusic(selectedSong);
+		songStartTime = Date.now();
+		currentPattern = playerPattern.slice();
+		spawnNotesForPattern();
+	}, 1000);
+	// Auto advance after pattern completion + buffer
+	LK.setTimeout(function () {
+		if (currentState === GAME_STATE.PATTERN_RECREATE) {
+			startAIChallenge();
+		}
+	}, 35000);
+}
+function startAIChallenge() {
+	currentState = GAME_STATE.AI_CHALLENGE;
+	passNumber = 3;
+	updatePassText();
+	// Clear UI
+	for (var i = 0; i < uiElements.length; i++) {
+		uiElements[i].destroy();
+	}
+	uiElements = [];
+	var challengeText = new Text2('AI Enhanced Challenge!', {
+		size: 50,
+		fill: '#FF6B6B'
+	});
+	challengeText.anchor.set(0.5, 0.5);
+	challengeText.x = 1024;
+	challengeText.y = 400;
+	game.addChild(challengeText);
+	uiElements.push(challengeText);
+	// Add AI beats to pattern
+	var enhancedPattern = playerPattern.slice();
+	var aiBeats = Math.floor(playerPattern.length * 0.5); // Add 50% more beats
+	for (var i = 0; i < aiBeats; i++) {
+		var randomTime = Math.random() * 30000; // Random time within 30 seconds
+		var randomTrack = Math.floor(Math.random() * trackPositions.length);
+		enhancedPattern.push({
+			time: randomTime,
+			track: randomTrack,
+			isAI: true
+		});
+	}
+	// Sort by time
+	enhancedPattern.sort(function (a, b) {
+		return a.time - b.time;
+	});
+	// Restart music
+	LK.stopMusic();
+	LK.setTimeout(function () {
+		LK.playMusic(selectedSong);
+		songStartTime = Date.now();
+		currentPattern = enhancedPattern;
+		spawnNotesForPattern();
+	}, 1000);
+	// Auto end after completion
+	LK.setTimeout(function () {
+		if (currentState === GAME_STATE.AI_CHALLENGE) {
+			endGame();
+		}
+	}, 40000);
+}
+function spawnNotesForPattern() {
+	for (var i = 0; i < currentPattern.length; i++) {
+		var beat = currentPattern[i];
+		var spawnTime = beat.time - 2000; // Spawn 2 seconds before hit time
+		LK.setTimeout(function (beatData) {
+			return function () {
+				if (currentState === GAME_STATE.PATTERN_RECREATE || currentState === GAME_STATE.AI_CHALLENGE) {
+					var note = new Note(beatData, beatData.track);
+					note.x = trackPositions[beatData.track];
+					note.y = -50;
+					if (beatData.isAI) {
+						note.attachAsset('note', {}).tint = 0xFF6B6B; // Red for AI beats
+					}
+					game.addChild(note);
+					notes.push(note);
+				}
+			};
+		}(beat), Math.max(0, spawnTime));
+	}
+}
+function updatePassText() {
+	passText.setText('Pass ' + passNumber + '/3');
+}
+function updateScore(points) {
+	score += points;
+	scoreText.setText('Score: ' + score);
+}
+function endGame() {
+	currentState = GAME_STATE.GAME_OVER;
+	LK.stopMusic();
+	var accuracy = hitNotes > 0 ? Math.round(hitNotes / (hitNotes + missedNotes) * 100) : 0;
+	if (accuracy >= 80) {
+		LK.setScore(score);
+		LK.showYouWin();
+	} else {
+		LK.showGameOver();
+	}
+}
+function handleTap(x, y) {
+	var currentTime = Date.now();
+	if (currentState === GAME_STATE.PATTERN_CREATE) {
+		// Record tap in pattern
+		var relativeTime = currentTime - patternStartTime;
+		var nearestTrack = findNearestTrack(x);
+		playerPattern.push({
+			time: relativeTime,
+			track: nearestTrack,
+			isAI: false
+		});
+		LK.getSound('tap').play();
+		// Visual feedback
+		var hitZone = hitZones[nearestTrack];
+		tween(hitZone, {
+			scaleX: 1.2,
+			scaleY: 1.2
+		}, {
+			duration: 100
+		});
+		tween(hitZone, {
+			scaleX: 1,
+			scaleY: 1
+		}, {
+			duration: 100
+		});
+	} else if (currentState === GAME_STATE.PATTERN_RECREATE || currentState === GAME_STATE.AI_CHALLENGE) {
+		// Check for note hits
+		var nearestTrack = findNearestTrack(x);
+		var hitNote = null;
+		var minDistance = Infinity;
+		for (var i = 0; i < notes.length; i++) {
+			var note = notes[i];
+			if (!note.hit && !note.missed && note.track === nearestTrack) {
+				var distance = Math.abs(note.y - hitZoneY);
+				if (distance < minDistance && distance < 100) {
+					minDistance = distance;
+					hitNote = note;
+				}
+			}
+		}
+		if (hitNote) {
+			hitNote.hit = true;
+			hitNotes++;
+			var points = Math.max(10, 100 - Math.floor(minDistance));
+			updateScore(points);
+			LK.getSound('hit').play();
+			// Visual feedback
+			tween(hitNote, {
+				scaleX: 1.5,
+				scaleY: 1.5,
+				alpha: 0
+			}, {
+				duration: 200
+			});
+			LK.setTimeout(function () {
+				if (hitNote && hitNote.parent) {
+					hitNote.destroy();
+					var index = notes.indexOf(hitNote);
+					if (index > -1) notes.splice(index, 1);
+				}
+			}, 200);
+		} else {
+			LK.getSound('miss').play();
+		}
+	}
+}
+function findNearestTrack(x) {
+	var minDistance = Infinity;
+	var nearestTrack = 0;
+	for (var i = 0; i < trackPositions.length; i++) {
+		var distance = Math.abs(x - trackPositions[i]);
+		if (distance < minDistance) {
+			minDistance = distance;
+			nearestTrack = i;
+		}
+	}
+	return nearestTrack;
+}
+// Event handlers
+game.down = function (x, y, obj) {
+	handleTap(x, y);
+};
+game.update = function () {
+	// Update notes
+	for (var i = notes.length - 1; i >= 0; i--) {
+		var note = notes[i];
+		// Remove notes that are off screen
+		if (note.y > 2800) {
+			note.destroy();
+			notes.splice(i, 1);
+		}
+	}
+	// Check for missed notes and update score display
+	if (LK.ticks % 60 === 0) {
+		// Update every second
+		scoreText.setText('Score: ' + score);
+	}
+};
+// Initialize the game
+initializeGame();
\ No newline at end of file