===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,151 @@
-/****
+/**** 
+* Classes
+****/ 
+// Box class: represents a clickable box that appears randomly on the screen
+var Box = Container.expand(function () {
+	var self = Container.call(this);
+	// Attach a box asset, centered
+	var boxAsset = self.attachAsset('box', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Track lastX, lastY for event transitions
+	self.lastX = 0;
+	self.lastY = 0;
+	self.lastWasDown = false;
+	// Called when the box is pressed/touched
+	self.down = function (x, y, obj) {
+		if (!self.lastWasDown) {
+			self.lastWasDown = true;
+			// Notify game that this box was clicked
+			if (typeof onBoxClicked === "function") {
+				onBoxClicked(self);
+			}
+		}
+	};
+	// Called when the box is released
+	self.up = function (x, y, obj) {
+		self.lastWasDown = false;
+	};
+	// Called every tick
+	self.update = function () {
+		// No movement, but could add animations here
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
+// Core game variables
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
\ No newline at end of file
+});
+
+/**** 
+* Game Code
+****/ 
+// Core game variables
+var currentBox = null; // The currently visible box
+var score = 0; // Player's score
+var misses = 0; // Number of missed boxes
+var boxLifetime = 1200; // ms, how long a box stays visible (decreases with difficulty)
+var minBoxLifetime = 500; // ms, minimum box lifetime
+var boxTimer = null; // Timer for box disappearance
+var scoreTxt = null; // Score display
+var missLimit = 3; // Number of misses before game over
+// Function to handle box click (defined in Game Code)
+var onBoxClicked = null;
+// Utility: get a random position for the box, avoiding the top-left 100x100 area
+function getRandomBoxPosition(boxWidth, boxHeight) {
+	var margin = 100;
+	var minX = margin + boxWidth / 2;
+	var maxX = 2048 - boxWidth / 2;
+	var minY = margin + boxHeight / 2;
+	var maxY = 2732 - boxHeight / 2;
+	var x = minX + Math.random() * (maxX - minX);
+	var y = minY + Math.random() * (maxY - minY);
+	return {
+		x: x,
+		y: y
+	};
+}
+// Show a new box at a random position
+function spawnBox() {
+	// Remove previous box if exists
+	if (currentBox) {
+		currentBox.destroy();
+		currentBox = null;
+	}
+	// Create new box
+	var box = new Box();
+	var boxW = box.width;
+	var boxH = box.height;
+	var pos = getRandomBoxPosition(boxW, boxH);
+	box.x = pos.x;
+	box.y = pos.y;
+	game.addChild(box);
+	currentBox = box;
+	// Set up timer for box disappearance
+	if (boxTimer) {
+		LK.clearTimeout(boxTimer);
+	}
+	boxTimer = LK.setTimeout(function () {
+		// Missed the box
+		if (currentBox === box) {
+			handleBoxMiss();
+		}
+	}, boxLifetime);
+}
+// Handle when a box is clicked
+onBoxClicked = function onBoxClicked(box) {
+	if (currentBox !== box) return; // Only count if it's the current box
+	score += 1;
+	updateScoreText();
+	// Increase difficulty: decrease box lifetime, but not below minimum
+	boxLifetime = Math.max(minBoxLifetime, boxLifetime - 30);
+	// Remove box and spawn a new one
+	if (boxTimer) {
+		LK.clearTimeout(boxTimer);
+		boxTimer = null;
+	}
+	if (currentBox) {
+		currentBox.destroy();
+		currentBox = null;
+	}
+	spawnBox();
+};
+// Handle when a box is missed (not clicked in time)
+function handleBoxMiss() {
+	misses += 1;
+	if (currentBox) {
+		currentBox.destroy();
+		currentBox = null;
+	}
+	if (boxTimer) {
+		LK.clearTimeout(boxTimer);
+		boxTimer = null;
+	}
+	if (misses >= missLimit) {
+		// Game over
+		LK.showGameOver();
+		return;
+	}
+	// Show next box
+	spawnBox();
+}
+// Update the score display
+function updateScoreText() {
+	if (scoreTxt) {
+		scoreTxt.setText(score + "");
+	}
+}
+// Initialize score text UI
+scoreTxt = new Text2("0", {
+	size: 150,
+	fill: 0xFFFFFF
+});
+scoreTxt.anchor.set(0.5, 0);
+LK.gui.top.addChild(scoreTxt);
+// Start the game by spawning the first box
+spawnBox();
\ No newline at end of file