/**** 
* Classes
****/ 
// Airplane class
var Airplane = Container.expand(function () {
	var self = Container.call(this);
	var airplaneGraphics = self.attachAsset('airplane', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -airplaneGraphics.width / 2) {
			self.x = 2048 + airplaneGraphics.width / 2;
		}
	};
});
// Gift class
var Gift = Container.expand(function () {
	var self = Container.call(this);
	var giftGraphics = self.attachAsset('gift', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
	};
});
// LifeCounter class
var LifeCounter = Container.expand(function () {
	var self = Container.call(this);
	for (var i = 0; i < 3; i++) {
		var santaFace = self.attachAsset('santaFace', {
			anchorX: 0.0,
			anchorY: 0.0,
			x: i * 110
		});
	}
});
// Roof class
var Roof = Container.expand(function () {
	var self = Container.call(this);
	var roofGraphics = self.attachAsset('roof', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -5;
	self.update = function () {
		self.x += self.speed;
		if (self.x < -roofGraphics.width / 2) {
			self.x = 2048 + roofGraphics.width / 2;
		}
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Santa's Sleigh class
var SantaSleigh = Container.expand(function () {
	var self = Container.call(this);
	var sleighGraphics = self.attachAsset('santaSleigh', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.velocity = 0;
	self.gravity = 0.5;
	self.lift = -10;
	self.update = function () {
		self.velocity += self.gravity;
		self.y += self.velocity;
		if (self.y > 2732 - sleighGraphics.height / 2) {
			self.y = 2732 - sleighGraphics.height / 2;
			self.velocity = 0;
		}
		if (self.y < sleighGraphics.height / 2) {
			self.y = sleighGraphics.height / 2;
			self.velocity = 0;
		}
	};
	self.flap = function () {
		self.velocity = self.lift;
	};
	self.dropGift = function () {
		var gift = new Gift();
		gift.x = self.x;
		gift.y = self.y;
		game.addChild(gift);
	};
});
// Snowflake class
var Snowflake = Container.expand(function () {
	var self = Container.call(this);
	var snowflakeGraphics = self.attachAsset('snowflake', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 2 + 1; // Random speed between 1 and 3
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + snowflakeGraphics.height / 2) {
			self.y = -snowflakeGraphics.height / 2;
			self.x = Math.random() * 2048; // Random x-coordinate
		}
	};
});

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

/**** 
* Game Code
****/ 
var wallpaper = game.attachAsset('wallpaper', {
	anchorX: 0.0,
	anchorY: 0.0
});
var lifeCounter = game.addChild(new LifeCounter());
lifeCounter.x = 2048 - lifeCounter.width - 20;
lifeCounter.y = 20;
// Initialize game elements
var santaSleigh = game.addChild(new SantaSleigh());
santaSleigh.x = 400;
santaSleigh.y = 1366; // Center vertically
var roofs = [];
var airplanes = [];
// Create roof
var roof = new Roof();
roof.x = 2048;
roof.y = 2732 - 100; // Bottom of the screen
roofs.push(roof);
game.addChild(roof);
// Initialize snowflakes
var snowflakes = [];
for (var i = 0; i < 100; i++) {
	// Create 100 snowflakes
	var snowflake = new Snowflake();
	snowflake.x = Math.random() * 2048; // Random x-coordinate
	snowflake.y = Math.random() * 2732; // Random y-coordinate
	snowflakes.push(snowflake);
	game.addChild(snowflake);
}
// Create airplane
var airplane = new Airplane();
airplane.x = 2048;
airplane.y = Math.random() * (1366 - 200) + 200; // Randomize y-coordinate in the upper half of the screen
airplanes.push(airplane);
game.addChild(airplane);
// Handle game events
game.down = function (x, y, obj) {
	santaSleigh.flap();
};
// Update game state
var gifts = [];
game.update = function () {
	santaSleigh.update();
	for (var i = 0; i < roofs.length; i++) {
		roofs[i].update();
		if (santaSleigh.intersects(roofs[i])) {
			santaSleigh.dropGift();
			// Remove one life from the life counter
			if (lifeCounter.children.length > 0) {
				lifeCounter.removeChildAt(lifeCounter.children.length - 1);
			}
			// Check if all lives are lost
			if (lifeCounter.children.length == 0) {
				// Flash screen red for 1 second (1000ms) to show we are dead.
				LK.effects.flashScreen(0xff0000, 1000);
				// Show game over. The game will be automatically paused while game over is showing.
				LK.showGameOver(); // Calling this will destroy the 'Game' and reset entire game state.
			}
		}
	}
	for (var j = 0; j < airplanes.length; j++) {
		airplanes[j].update();
		if (santaSleigh.intersects(airplanes[j])) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		// Play airplane sound when the airplane is on the map
		LK.getSound('Airplane').play();
	}
	for (var k = 0; k < snowflakes.length; k++) {
		snowflakes[k].update();
	}
	for (var l = 0; l < gifts.length; l++) {
		gifts[l].update();
		if (gifts[l].y > 2732) {
			gifts[l].destroy();
			gifts.splice(l, 1);
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -162,9 +162,9 @@
 		roofs[i].update();
 		if (santaSleigh.intersects(roofs[i])) {
 			santaSleigh.dropGift();
 			// Remove one life from the life counter
-			if (lifeCounter.children.length > 1) {
+			if (lifeCounter.children.length > 0) {
 				lifeCounter.removeChildAt(lifeCounter.children.length - 1);
 			}
 			// Check if all lives are lost
 			if (lifeCounter.children.length == 0) {