/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Target class
var Target = Container.expand(function () {
	var self = Container.call(this);
	// Initialize target with a shape asset
	var targetGraphics = self.attachAsset('target', {
		anchorX: 0.5,
		anchorY: 0.5,
		shape: 'ellipse',
		width: 200,
		// Initial width
		height: 200,
		// Initial height
		color: 0xff0000 // Red color
	});
	// Method to decrease the size of the target
	self.shrink = function () {
		if (targetGraphics.width > 20 && targetGraphics.height > 20) {
			// Minimum size check
			targetGraphics.width -= 1;
			targetGraphics.height -= 1;
		} else {
			self.destroy(); // Destroy target if it's too small
		}
	};
	// Method to handle target click
	self.on('down', function () {
		LK.setScore(LK.getScore() + 1); // Increase score
		self.destroy(); // Destroy target after click
	});
});
// Timer class
var Timer = Container.expand(function () {
	var self = Container.call(this);
	// Initialize timer with a text asset
	var timerGraphics = new Text2('30', {
		size: 50,
		fill: "#ffffff"
	});
	self.addChild(timerGraphics);
	timerGraphics.anchor.set(0.5, 0.5);
	timerGraphics.x = self.width / 2;
	timerGraphics.y = self.height / 2;
	self.addChild(timerGraphics);
	timerGraphics.anchor.set(0.5, 0.5);
	timerGraphics.x = self.width / 2;
	timerGraphics.y = self.height / 2;
	// Method to decrease the timer
	self.tick = function () {
		if (parseInt(timerGraphics.text) > 0 && Date.now() < gameEndTime) {
			timerGraphics.text = (parseInt(timerGraphics.text) - 1).toString();
		} else {
			self.destroy(); // Destroy timer if it's 0
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/ 
// Initialize timer
var timer = new Timer();
timer.x = 2048 / 2; // Center the timer horizontally
timer.y = 50; // Position the timer at the top of the screen
game.addChild(timer); // Add timer to the game
var targets = [];
var gameDuration = 30000; // 30 seconds in milliseconds
var targetSpawnInterval = 500; // 0.5 seconds in milliseconds
var gameEndTime = Date.now() + gameDuration; // Calculate game end time
// Create score display
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt); // Add score display to the top-center of the screen
// Function to spawn targets
function spawnTarget() {
	if (Date.now() < gameEndTime) {
		// Check if game time is not over
		var target = new Target();
		// Random position within game area
		target.x = Math.random() * (2048 - 100) + 50; // Avoid spawning on the edges
		target.y = Math.random() * (2732 - 100) + 50; // Avoid spawning on the edges
		game.addChild(target);
		targets.push(target);
	}
}
// Game tick event
LK.on('tick', function () {
	// Update score display
	scoreTxt.setText(LK.getScore().toString());
	// Shrink targets
	targets.forEach(function (target, index) {
		target.shrink();
		if (!target.parent) {
			// Check if target has been destroyed
			targets.splice(index, 1); // Remove target from array
		}
	});
	// Update timer every second
	if (LK.ticks % 60 == 0) {
		timer.tick();
	}
	// End game when timer is 0
	if (!timer.parent) {
		LK.showGameOver();
	}
});
// Spawn targets at intervals
var spawnTimer = LK.setInterval(spawnTarget, targetSpawnInterval);
// Clear interval on game over to stop spawning targets
LK.on('gameOver', function () {
	LK.clearInterval(spawnTimer);
});

===================================================================
--- original.js
+++ change.js
@@ -49,9 +49,9 @@
 	timerGraphics.x = self.width / 2;
 	timerGraphics.y = self.height / 2;
 	// Method to decrease the timer
 	self.tick = function () {
-		if (parseInt(timerGraphics.text) > 0) {
+		if (parseInt(timerGraphics.text) > 0 && Date.now() < gameEndTime) {
 			timerGraphics.text = (parseInt(timerGraphics.text) - 1).toString();
 		} else {
 			self.destroy(); // Destroy timer if it's 0
 		}