===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,303 @@
-/****
+/**** 
+* Plugins
+****/ 
+var tween = LK.import("@upit/tween.v1");
+var storage = LK.import("@upit/storage.v1");
+
+/**** 
+* Classes
+****/ 
+// Target class: a tappable target that appears and disappears after a timeout
+var Target = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach a circular target asset, centered
+	var targetAsset = self.attachAsset('targetCircle', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Set size and color for the target
+	targetAsset.width = 180;
+	targetAsset.height = 180;
+	targetAsset.color = 0xff4444;
+	targetAsset.shape = 'ellipse';
+	// Mark as not yet hit
+	self.isHit = false;
+	// Called when the target is tapped
+	self.down = function (x, y, obj) {
+		if (self.isHit) return;
+		self.isHit = true;
+		// Animate: scale up and fade out
+		tween(self, {
+			scaleX: 1.4,
+			scaleY: 1.4,
+			alpha: 0
+		}, {
+			duration: 120,
+			easing: tween.cubicOut,
+			onFinish: function onFinish() {
+				self.destroy();
+			}
+		});
+		// Notify game that this target was hit
+		if (typeof onTargetHit === 'function') {
+			onTargetHit(self);
+		}
+	};
+	// For tap feedback, animate in
+	self.alpha = 0;
+	self.scaleX = self.scaleY = 0.7;
+	tween(self, {
+		alpha: 1,
+		scaleX: 1,
+		scaleY: 1
+	}, {
+		duration: 120,
+		easing: tween.cubicOut
+	});
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-	backgroundColor: 0x000000
-});
\ No newline at end of file
+	backgroundColor: 0x181818
+});
+
+/**** 
+* Game Code
+****/ 
+// --- Difficulty settings ---
+var difficulties = [{
+	name: "Easy",
+	key: "easy",
+	time: 800
+}, {
+	name: "Medium",
+	key: "medium",
+	time: 600
+}, {
+	name: "Difficult",
+	key: "hard",
+	time: 400
+}, {
+	name: "Most Difficult",
+	key: "insane",
+	time: 250
+}];
+// --- State variables ---
+var currentDifficulty = null; // {name, key, time}
+var roundTargets = 20;
+var targetsSpawned = 0;
+var targetsHit = 0;
+var targetTimeout = null;
+var activeTarget = null;
+var inGame = false;
+// --- Best scores ---
+if (!storage.bestScores) storage.bestScores = {};
+var bestScores = storage.bestScores;
+// --- UI elements ---
+var scoreTxt = new Text2('0', {
+	size: 120,
+	fill: "#fff"
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+var menuContainer = new Container();
+LK.gui.center.addChild(menuContainer);
+var bestScoreTxts = []; // Array of Text2 for best scores per difficulty
+// --- Helper: Show menu ---
+function showMenu() {
+	inGame = false;
+	// Clear any active target
+	if (activeTarget) {
+		activeTarget.destroy();
+		activeTarget = null;
+	}
+	if (targetTimeout) {
+		LK.clearTimeout(targetTimeout);
+		targetTimeout = null;
+	}
+	// Reset score display
+	scoreTxt.setText('');
+	// Remove previous menu items
+	while (menuContainer.children.length) menuContainer.removeChild(menuContainer.children[0]);
+	bestScoreTxts = [];
+	// Title
+	var title = new Text2("Tap Reflex Challenge", {
+		size: 120,
+		fill: 0xFFEC00
+	});
+	title.anchor.set(0.5, 0);
+	title.y = -420;
+	menuContainer.addChild(title);
+	// Instructions
+	var instr = new Text2("Tap targets before they vanish!\nChoose your difficulty.", {
+		size: 60,
+		fill: "#fff"
+	});
+	instr.anchor.set(0.5, 0);
+	instr.y = -280;
+	menuContainer.addChild(instr);
+	// Difficulty buttons
+	var btnY = -60;
+	for (var i = 0; i < difficulties.length; i++) {
+		(function (diff, idx) {
+			// Button background
+			var btn = LK.getAsset('menuBtn' + idx, {
+				width: 700,
+				height: 140,
+				color: 0x333333 + idx * 0x222222,
+				shape: 'box',
+				anchorX: 0.5,
+				anchorY: 0.5,
+				x: 0,
+				y: btnY + idx * 180
+			});
+			menuContainer.addChild(btn);
+			// Button label
+			var btnLabel = new Text2(diff.name, {
+				size: 70,
+				fill: "#fff"
+			});
+			btnLabel.anchor.set(0.5, 0.5);
+			btnLabel.x = btn.x;
+			btnLabel.y = btn.y;
+			menuContainer.addChild(btnLabel);
+			// Best score for this difficulty
+			var best = bestScores[diff.key] || 0;
+			var bestTxt = new Text2("Best: " + best + " / " + roundTargets, {
+				size: 40,
+				fill: 0xFFEC00
+			});
+			bestTxt.anchor.set(0.5, 0.5);
+			bestTxt.x = btn.x + 220;
+			bestTxt.y = btn.y + 38;
+			menuContainer.addChild(bestTxt);
+			bestScoreTxts.push(bestTxt);
+			// Button tap handler
+			btn.down = function (x, y, obj) {
+				startGame(diff);
+			};
+		})(difficulties[i], i);
+	}
+}
+// --- Helper: Start game with selected difficulty ---
+function startGame(diff) {
+	inGame = true;
+	currentDifficulty = diff;
+	targetsSpawned = 0;
+	targetsHit = 0;
+	scoreTxt.setText("0 / " + roundTargets);
+	// Remove menu
+	while (menuContainer.children.length) menuContainer.removeChild(menuContainer.children[0]);
+	// Start first target
+	spawnNextTarget();
+}
+// --- Helper: Spawn a target at a random position ---
+function spawnNextTarget() {
+	if (!inGame) return;
+	if (activeTarget) {
+		activeTarget.destroy();
+		activeTarget = null;
+	}
+	if (targetsSpawned >= roundTargets) {
+		endGame();
+		return;
+	}
+	targetsSpawned++;
+	// Random position, avoid edges (target is 180x180)
+	var margin = 120;
+	var x = margin + Math.random() * (2048 - 2 * margin);
+	var y = 220 + Math.random() * (2732 - 220 - margin);
+	var target = new Target();
+	target.x = x;
+	target.y = y;
+	activeTarget = target;
+	game.addChild(target);
+	// Timeout: if not hit in time, remove and spawn next
+	targetTimeout = LK.setTimeout(function () {
+		if (activeTarget === target && !target.isHit) {
+			// Animate out
+			tween(target, {
+				alpha: 0
+			}, {
+				duration: 100,
+				onFinish: function onFinish() {
+					target.destroy();
+				}
+			});
+			activeTarget = null;
+			spawnNextTarget();
+		}
+	}, currentDifficulty.time);
+}
+// --- Helper: Called when a target is hit ---
+function onTargetHit(target) {
+	if (!inGame) return;
+	if (activeTarget === target) {
+		targetsHit++;
+		scoreTxt.setText(targetsHit + " / " + roundTargets);
+		activeTarget = null;
+		if (targetTimeout) {
+			LK.clearTimeout(targetTimeout);
+			targetTimeout = null;
+		}
+		// Next target after a short delay for feedback
+		LK.setTimeout(spawnNextTarget, 80);
+	}
+}
+// --- Helper: End of round ---
+function endGame() {
+	inGame = false;
+	// Update best score if needed
+	var key = currentDifficulty.key;
+	if (!bestScores[key] || targetsHit > bestScores[key]) {
+		bestScores[key] = targetsHit;
+		storage.bestScores = bestScores;
+	}
+	// Show result popup
+	var resultTxt = new Text2("You hit " + targetsHit + " / " + roundTargets + "!", {
+		size: 100,
+		fill: "#fff"
+	});
+	resultTxt.anchor.set(0.5, 0.5);
+	resultTxt.y = -120;
+	menuContainer.addChild(resultTxt);
+	var best = bestScores[key] || 0;
+	var bestTxt = new Text2("Best: " + best + " / " + roundTargets, {
+		size: 60,
+		fill: 0xFFEC00
+	});
+	bestTxt.anchor.set(0.5, 0.5);
+	bestTxt.y = 0;
+	menuContainer.addChild(bestTxt);
+	var againBtn = LK.getAsset('againBtn', {
+		width: 500,
+		height: 120,
+		color: 0x44bb44,
+		shape: 'box',
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 0,
+		y: 180
+	});
+	menuContainer.addChild(againBtn);
+	var againLabel = new Text2("Menu", {
+		size: 60,
+		fill: "#fff"
+	});
+	againLabel.anchor.set(0.5, 0.5);
+	againLabel.x = againBtn.x;
+	againLabel.y = againBtn.y;
+	menuContainer.addChild(againLabel);
+	againBtn.down = function (x, y, obj) {
+		// Remove result elements
+		while (menuContainer.children.length) menuContainer.removeChild(menuContainer.children[0]);
+		showMenu();
+	};
+}
+// --- Game move handler (no drag, but required for touch compatibility) ---
+game.move = function (x, y, obj) {};
+// --- Start with menu ---
+showMenu();
\ No newline at end of file