/**** 
* Classes
****/ 
// Assets will be automatically created and loaded during gameplay
// Balloon class
var Balloon = Container.expand(function () {
	var self = Container.call(this);
	var balloonGraphics = self.attachAsset('balloon', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		if (LK.getScore() >= 20) {
			self.speed = 4;
		}
		self.y += self.speed;
		if (self.y > 2732) {
			// Decrease shield
			shield -= 1;
			if (shield <= 0) {
				LK.showGameOver();
			}
			self.destroy();
		}
	};
	self.down = function (x, y, obj) {
		self.pop();
	};
	self.pop = function () {
		LK.setScore(LK.getScore() + 1);
		scoreTxt.setText(LK.getScore());
		// Create explosion effect
		var explosion = LK.getAsset('explosion', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: self.x,
			y: self.y
		});
		game.addChild(explosion);
		LK.setTimeout(function () {
			explosion.destroy();
		}, 3000);
		LK.effects.flashObject(explosion, 0xff0000, 500); // Flash red for 500ms
		self.destroy();
		if (LK.getScore() >= 50) {
			LK.showGameOver();
		}
	};
});

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

/**** 
* Game Code
****/ 
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var shield = 3; // Initialize shield with 3 lives
var balloons = [];
var spawnBalloon = function spawnBalloon() {
	var newBalloon = new Balloon();
	newBalloon.x = Math.random() * 2048;
	newBalloon.y = -100;
	balloons.push(newBalloon);
	game.addChild(newBalloon);
};
game.update = function () {
	for (var i = balloons.length - 1; i >= 0; i--) {
		if (LK.getScore() >= 20) {
			balloons[i].speed = 4;
		}
		if (balloons[i].y > 2732) {
			balloons[i].destroy();
			balloons.splice(i, 1);
		}
	}
	if (LK.ticks % 60 == 0) {
		spawnBalloon();
	}
};
game.down = function (x, y, obj) {
	var localPos = game.toLocal(obj.global);
	for (var i = 0; i < balloons.length; i++) {
		if (balloons[i].intersects(localPos)) {
			balloons[i].pop();
			break;
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -15,8 +15,13 @@
 			self.speed = 4;
 		}
 		self.y += self.speed;
 		if (self.y > 2732) {
+			// Decrease shield
+			shield -= 1;
+			if (shield <= 0) {
+				LK.showGameOver();
+			}
 			self.destroy();
 		}
 	};
 	self.down = function (x, y, obj) {
@@ -59,8 +64,9 @@
 	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
+var shield = 3; // Initialize shield with 3 lives
 var balloons = [];
 var spawnBalloon = function spawnBalloon() {
 	var newBalloon = new Balloon();
 	newBalloon.x = Math.random() * 2048;