/**** 
* Classes
****/ 
// Define the Obstacle class
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5; // Initial speed
	// Update method for obstacle movement
	self.update = function () {
		self.x -= self.speed;
	};
	return self;
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Define the Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('character', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.layer = 1; // Start on the middle layer
	self.speed = 10; // Initial speed
	// Method to move the player up a layer
	self.moveUp = function () {
		if (self.layer > 0) {
			self.layer--;
			self.y -= 300; // Move up by 300 pixels
		}
	};
	// Method to move the player down a layer
	self.moveDown = function () {
		if (self.layer < 2) {
			self.layer++;
			self.y += 300; // Move down by 300 pixels
		}
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Initialize player
var player = new Player();
player.x = 200;
player.y = 1366; // Start on the middle layer
game.addChild(player);
// Initialize obstacles array
var obstacles = [];
// Initialize score
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: 0xFFFFFF
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to create obstacles
function createObstacle() {
	var obstacle = new Obstacle();
	obstacle.x = 2048;
	obstacle.y = 1366 + (Math.floor(Math.random() * 3) - 1) * 300; // Random layer
	obstacles.push(obstacle);
	game.addChild(obstacle);
}
// Function to update game speed
function updateSpeed() {
	player.speed += 0.01;
	obstacles.forEach(function (obstacle) {
		obstacle.speed += 0.01;
	});
}
// Handle swipe up and down
game.move = function (x, y, obj) {
	if (obj.event && obj.event.deltaY < 0) {
		player.moveUp();
	} else if (obj.event && obj.event.deltaY > 0) {
		player.moveDown();
	}
};
// Game update loop
game.update = function () {
	// Update obstacles
	for (var i = obstacles.length - 1; i >= 0; i--) {
		obstacles[i].update();
		if (obstacles[i].x < -100) {
			obstacles[i].destroy();
			obstacles.splice(i, 1);
			score++;
			scoreTxt.setText(score);
		}
		if (obstacles[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Create new obstacles
	if (LK.ticks % 120 == 0) {
		createObstacle();
	}
	// Update speed
	updateSpeed();
};

===================================================================
--- original.js
+++ change.js
@@ -107,9 +107,9 @@
 			LK.showGameOver();
 		}
 	}
 	// Create new obstacles
-	if (LK.ticks % 60 == 0) {
+	if (LK.ticks % 120 == 0) {
 		createObstacle();
 	}
 	// Update speed
 	updateSpeed();