===================================================================
--- original.js
+++ change.js
@@ -1,62 +1,82 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
 //<Assets used in the game will automatically appear here>
 // Bullet class
 var Bullet = Container.expand(function () {
-  var self = Container.call(this);
-  var bulletGraphics = self.attachAsset('bullet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = -10;
-  self.update = function () {
-    self.y += self.speed;
-  };
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -10;
+	self.update = function () {
+		self.y += self.speed;
+	};
 });
 // Hero class
 var Hero = Container.expand(function () {
-  var self = Container.call(this);
-  var heroGraphics = self.attachAsset('hero', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.shoot = function () {
-    var newBullet = new Bullet();
-    newBullet.x = self.x;
-    newBullet.y = self.y;
-    bullets.push(newBullet);
-    game.addChild(newBullet);
-  };
+	var self = Container.call(this);
+	var heroGraphics = self.attachAsset('hero', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.shoot = function () {
+		var newBullet = new Bullet();
+		newBullet.x = self.x;
+		newBullet.y = self.y;
+		bullets.push(newBullet);
+		game.addChild(newBullet);
+	};
 });
 // Monster class
 var Monster = Container.expand(function () {
-  var self = Container.call(this);
-  var monsterGraphics = self.attachAsset('monster', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  self.speed = 2;
-  self.update = function () {
-    var dx = hero.x - self.x;
-    var dy = hero.y - self.y;
-    var dist = Math.sqrt(dx * dx + dy * dy);
-    self.x += dx / dist * self.speed;
-    self.y += dy / dist * self.speed;
-  };
+	var self = Container.call(this);
+	var monsterGraphics = self.attachAsset('monster', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = 2;
+	self.update = function () {
+		var dx = hero.x - self.x;
+		var dy = hero.y - self.y;
+		var dist = Math.sqrt(dx * dx + dy * dy);
+		self.x += dx / dist * self.speed;
+		self.y += dy / dist * self.speed;
+	};
 });
+// Particle class
+var Particle = Container.expand(function () {
+	var self = Container.call(this);
+	var particleGraphics = self.attachAsset('bullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speedX = Math.random() * 10 - 5;
+	self.speedY = Math.random() * 10 - 5;
+	self.update = function () {
+		self.x += self.speedX;
+		self.y += self.speedY;
+		self.speedX *= 0.99;
+		self.speedY *= 0.99;
+		self.alpha *= 0.96;
+		if (self.alpha < 0.01) {
+			self.destroy();
+		}
+	};
+});
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x000000 //Init game with black background 
+	backgroundColor: 0x000000 //Init game with black background 
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Initialize variables
 var hero = new Hero();
 hero.x = 2048 / 2;
 hero.y = 2732 - 200;
@@ -64,56 +84,69 @@
 var bullets = [];
 var monsters = [];
 var score = 0;
 var scoreTxt = new Text2('0', {
-  size: 150,
-  fill: "#ffffff"
+	size: 150,
+	fill: "#ffffff"
 });
 scoreTxt.anchor.set(0.5, 0);
 LK.gui.top.addChild(scoreTxt);
 // Spawn monsters at intervals
 var spawnMonster = LK.setInterval(function () {
-  var newMonster = new Monster();
-  newMonster.x = Math.random() * 2048;
-  newMonster.y = 0;
-  monsters.push(newMonster);
-  game.addChild(newMonster);
+	var newMonster = new Monster();
+	newMonster.x = Math.random() * 2048;
+	newMonster.y = 0;
+	monsters.push(newMonster);
+	game.addChild(newMonster);
 }, 2000);
 // Handle game updates
 game.update = function () {
-  for (var i = bullets.length - 1; i >= 0; i--) {
-    bullets[i].update();
-    if (bullets[i].y < -50) {
-      bullets[i].destroy();
-      bullets.splice(i, 1);
-    }
-  }
-  for (var j = monsters.length - 1; j >= 0; j--) {
-    monsters[j].update();
-    if (monsters[j].intersects(hero)) {
-      LK.effects.flashScreen(0xff0000, 1000);
-      LK.showGameOver();
-    }
-    for (var k = bullets.length - 1; k >= 0; k--) {
-      if (monsters[j].intersects(bullets[k])) {
-        monsters[j].destroy();
-        bullets[k].destroy();
-        monsters.splice(j, 1);
-        bullets.splice(k, 1);
-        score++;
-        scoreTxt.setText(score);
-        break;
-      }
-    }
-  }
+	for (var i = bullets.length - 1; i >= 0; i--) {
+		bullets[i].update();
+		if (bullets[i].y < -50) {
+			bullets[i].destroy();
+			bullets.splice(i, 1);
+		}
+	}
+	for (var j = monsters.length - 1; j >= 0; j--) {
+		monsters[j].update();
+		if (monsters[j].intersects(hero)) {
+			LK.effects.flashScreen(0xff0000, 1000);
+			LK.showGameOver();
+		}
+		for (var k = bullets.length - 1; k >= 0; k--) {
+			if (monsters[j].intersects(bullets[k])) {
+				// Create particles when the monster is destroyed
+				for (var p = 0; p < 100; p++) {
+					var newParticle = new Particle();
+					newParticle.x = monsters[j].x;
+					newParticle.y = monsters[j].y;
+					game.addChild(newParticle);
+				}
+				monsters[j].destroy();
+				bullets[k].destroy();
+				monsters.splice(j, 1);
+				bullets.splice(k, 1);
+				score++;
+				scoreTxt.setText(score);
+				break;
+			}
+		}
+	}
 };
 // Handle touch events
 game.down = function (x, y, obj) {
-  hero.shoot();
+	hero.shoot();
 };
 game.move = function (x, y, obj) {
-  hero.x = x;
-  hero.y = y;
+	hero.x = x;
+	hero.y = y;
 };
 game.up = function (x, y, obj) {
-  // No action needed on touch up
-};
\ No newline at end of file
+	// No action needed on touch up
+};
+// Update particles
+for (var i = game.children.length - 1; i >= 0; i--) {
+	if (game.children[i] instanceof Particle) {
+		game.children[i].update();
+	}
+}
\ No newline at end of file