===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,327 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1", {
+	cubeColor: "cube_blue"
+});
+
+/**** 
+* Classes
+****/ 
+// Player Cube
+var Cube = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach cube asset (color set externally)
+	self.cubeAsset = null;
+	self.setCubeColor = function (colorId) {
+		if (self.cubeAsset) {
+			self.removeChild(self.cubeAsset);
+		}
+		self.cubeAsset = self.attachAsset(colorId, {
+			anchorX: 0.5,
+			anchorY: 1
+		});
+	};
+	// Physics
+	self.vy = 0;
+	self.isOnGround = true;
+	// Jump method
+	self.jump = function () {
+		if (self.isOnGround) {
+			self.vy = -38;
+			self.isOnGround = false;
+			LK.getSound('jump').play();
+		}
+	};
+	// Update method
+	self.update = function () {
+		// Gravity
+		self.vy += 2.2;
+		self.y += self.vy;
+		// Ground collision
+		if (self.y > groundY) {
+			self.y = groundY;
+			self.vy = 0;
+			self.isOnGround = true;
+		}
+	};
+	return self;
+});
+// Spike Obstacle
+var Spike = Container.expand(function () {
+	var self = Container.call(this);
+	var spikeAsset = self.attachAsset('spike', {
+		anchorX: 0.5,
+		anchorY: 1
+	});
+	self.passed = false; // For scoring
+	// Update method
+	self.update = function () {
+		self.x -= spikeSpeed;
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0xfafafa
+});
+
+/**** 
+* Game Code
+****/ 
+// Music
+// Hit sound
+// Jump sound
+// Ground
+// Spike obstacle
+// Cube (player) - customizable color, default blue
+// --- Global Variables ---
+var groundY = 2732 - 80; // y position of ground
+var cube = null;
+var spikes = [];
+var spikeTimer = 0;
+var spikeInterval = 90; // frames between spikes (decreases with difficulty)
+var spikeSpeed = 18; // pixels per frame (increases with difficulty)
+var score = 0;
+var scoreTxt = null;
+var running = false;
+var menuContainer = null;
+var playBtn = null;
+var colorBtns = [];
+var selectedColor = storage.cubeColor || 'cube_blue';
+var ground = null;
+var lastTick = 0;
+// --- Main Menu ---
+function showMenu() {
+	running = false;
+	// Remove game elements if present
+	if (cube) {
+		cube.destroy();
+		cube = null;
+	}
+	for (var i = 0; i < spikes.length; i++) {
+		spikes[i].destroy();
+	}
+	spikes = [];
+	if (ground) {
+		ground.destroy();
+		ground = null;
+	}
+	if (scoreTxt) {
+		scoreTxt.destroy();
+		scoreTxt = null;
+	}
+	// Menu container
+	menuContainer = new Container();
+	// Title
+	var title = new Text2('Cube Runner', {
+		size: 180,
+		fill: 0x222222
+	});
+	title.anchor.set(0.5, 0);
+	title.x = 2048 / 2;
+	title.y = 220;
+	menuContainer.addChild(title);
+	// Subtitle
+	var subtitle = new Text2('Spike Escape', {
+		size: 90,
+		fill: 0x888888
+	});
+	subtitle.anchor.set(0.5, 0);
+	subtitle.x = 2048 / 2;
+	subtitle.y = 420;
+	menuContainer.addChild(subtitle);
+	// Customizer label
+	var customLabel = new Text2('Customize Your Cube', {
+		size: 70,
+		fill: 0x444444
+	});
+	customLabel.anchor.set(0.5, 0);
+	customLabel.x = 2048 / 2;
+	customLabel.y = 700;
+	menuContainer.addChild(customLabel);
+	// Color buttons
+	var colors = ['cube_blue', 'cube_red', 'cube_green', 'cube_yellow', 'cube_purple'];
+	var colorNames = ['Blue', 'Red', 'Green', 'Yellow', 'Purple'];
+	colorBtns = [];
+	for (var i = 0; i < colors.length; i++) {
+		(function (idx) {
+			var btn = new Container();
+			var asset = btn.attachAsset(colors[idx], {
+				anchorX: 0.5,
+				anchorY: 0.5
+			});
+			btn.x = 2048 / 2 - 350 + idx * 175;
+			btn.y = 950;
+			btn.scale.set(1.1, 1.1);
+			// Highlight if selected
+			if (selectedColor === colors[idx]) {
+				asset.width += 18;
+				asset.height += 18;
+			}
+			// Label
+			var lbl = new Text2(colorNames[idx], {
+				size: 38,
+				fill: 0x222222
+			});
+			lbl.anchor.set(0.5, 0);
+			lbl.x = 0;
+			lbl.y = 90;
+			btn.addChild(lbl);
+			// Touch event
+			btn.down = function (x, y, obj) {
+				selectedColor = colors[idx];
+				storage.cubeColor = selectedColor;
+				showMenu();
+			};
+			colorBtns.push(btn);
+			menuContainer.addChild(btn);
+		})(i);
+	}
+	// Play button
+	playBtn = new Container();
+	var playBtnShape = playBtn.attachAsset('cube_green', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	playBtnShape.width = 320;
+	playBtnShape.height = 120;
+	playBtn.x = 2048 / 2;
+	playBtn.y = 1300;
+	var playTxt = new Text2('PLAY', {
+		size: 80,
+		fill: 0xFFFFFF
+	});
+	playTxt.anchor.set(0.5, 0.5);
+	playBtn.addChild(playTxt);
+	playBtn.down = function (x, y, obj) {
+		startGame();
+	};
+	menuContainer.addChild(playBtn);
+	// Instructions
+	var inst = new Text2('Tap to jump. Dodge the spikes!\nCustomize your cube above.', {
+		size: 54,
+		fill: 0x666666
+	});
+	inst.anchor.set(0.5, 0);
+	inst.x = 2048 / 2;
+	inst.y = 1550;
+	menuContainer.addChild(inst);
+	game.addChild(menuContainer);
+	// Play music
+	LK.playMusic('bgmusic', {
+		fade: {
+			start: 0,
+			end: 1,
+			duration: 1000
+		}
+	});
+}
+// --- Start Game ---
+function startGame() {
+	running = true;
+	if (menuContainer) {
+		menuContainer.destroy();
+		menuContainer = null;
+	}
+	// Reset variables
+	score = 0;
+	spikeTimer = 0;
+	spikeInterval = 90;
+	spikeSpeed = 18;
+	spikes = [];
+	// Ground
+	ground = LK.getAsset('ground', {
+		anchorX: 0,
+		anchorY: 0
+	});
+	ground.x = 0;
+	ground.y = groundY;
+	game.addChild(ground);
+	// Cube
+	cube = new Cube();
+	cube.setCubeColor(selectedColor);
+	cube.x = 420;
+	cube.y = groundY;
+	game.addChild(cube);
+	// Score text
+	scoreTxt = new Text2('0', {
+		size: 120,
+		fill: 0x222222
+	});
+	scoreTxt.anchor.set(0.5, 0);
+	LK.gui.top.addChild(scoreTxt);
+	// Play music (if not already playing)
+	LK.playMusic('bgmusic', {
+		fade: {
+			start: 0,
+			end: 1,
+			duration: 1000
+		}
+	});
+}
+// --- Game Over ---
+function gameOver() {
+	running = false;
+	LK.getSound('hit').play();
+	LK.effects.flashScreen(0xff0000, 800);
+	LK.showGameOver();
+	// After game over, return to menu
+	LK.setTimeout(function () {
+		showMenu();
+	}, 1200);
+}
+// --- Game Tap (Jump) ---
+game.down = function (x, y, obj) {
+	if (!running) return;
+	cube.jump();
+};
+// --- Main Update Loop ---
+game.update = function () {
+	if (!running) return;
+	// Update cube
+	if (cube) cube.update();
+	// Update spikes
+	for (var i = spikes.length - 1; i >= 0; i--) {
+		var s = spikes[i];
+		s.update();
+		// Remove if off screen
+		if (s.x < -120) {
+			s.destroy();
+			spikes.splice(i, 1);
+			continue;
+		}
+		// Score if passed
+		if (!s.passed && s.x + 50 < cube.x) {
+			s.passed = true;
+			score += 1;
+			scoreTxt.setText(score);
+			// Increase difficulty
+			if (score % 10 === 0 && spikeInterval > 45) {
+				spikeInterval -= 7;
+				spikeSpeed += 2.5;
+			}
+		}
+		// Collision
+		if (cube.intersects(s)) {
+			gameOver();
+			return;
+		}
+	}
+	// Spawn spikes
+	spikeTimer++;
+	if (spikeTimer >= spikeInterval) {
+		spikeTimer = 0;
+		var spike = new Spike();
+		spike.x = 2048 + 80;
+		spike.y = groundY;
+		game.addChild(spike);
+		spikes.push(spike);
+	}
+};
+// --- Show Menu on Load ---
+showMenu();
\ No newline at end of file