/**** 
* Classes
****/ 
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the mysterious letters
var MysteriousLetter = Container.expand(function () {
	var self = Container.call(this);
	var letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
	var randomLetter = letters[Math.floor(Math.random() * letters.length)];
	var letterGraphics = new Text2(randomLetter, {
		size: 100,
		fill: 0xFFFFFF
	});
	letterGraphics.anchor.set(0.5, 0.5);
	self.addChild(letterGraphics);
	// Randomly decide if the letter will disappear or stay for 5 seconds
	self.init = function () {
		if (Math.random() < 0.5) {
			// Letter will disappear
			LK.setTimeout(function () {
				self.destroy();
			}, 5000); // Disappear after 5 seconds
		} else {
			// Letter will stay for 5 seconds
			LK.setTimeout(function () {
				self.destroy();
			}, 5000); // Stay for 5 seconds
		}
	};
	self.init();
});

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

/**** 
* Game Code
****/ 
// Array to keep track of letters
var letters = [];
// Function to spawn a new letter
function spawnLetter() {
	var newLetter = new MysteriousLetter();
	newLetter.x = Math.random() * 2048;
	newLetter.y = Math.random() * 2732;
	letters.push(newLetter);
	game.addChild(newLetter);
}
// Set an interval to spawn letters every 2 seconds
var spawnInterval = LK.setInterval(spawnLetter, 2000);
// Update function called every game tick
game.update = function () {
	// Remove letters that are no longer in the game
	for (var i = letters.length - 1; i >= 0; i--) {
		if (!letters[i].parent) {
			letters.splice(i, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -5,9 +5,9 @@
 //<Write imports for supported plugins here>
 // Class for the mysterious letters
 var MysteriousLetter = Container.expand(function () {
 	var self = Container.call(this);
-	var letters = 'ABCDEFGHIJKLMNOP';
+	var letters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ';
 	var randomLetter = letters[Math.floor(Math.random() * letters.length)];
 	var letterGraphics = new Text2(randomLetter, {
 		size: 100,
 		fill: 0xFFFFFF