===================================================================
--- original.js
+++ change.js
@@ -224,8 +224,9 @@
 game.speed = 5;
 game.floorLevel = 2732 - 90; // Dinosaur stands on the floor
 game.score = 0;
 game.obstacles = [];
+game.particlesArray = [];
 var dinosaur = game.addChild(new Dinosaur());
 dinosaur.x = 300;
 dinosaur.y = game.floorLevel;
 game.on('down', function () {
@@ -294,8 +295,9 @@
 			for (var j = 0; j < 20; j++) {
 				var star = new Star();
 				star.x = game.collectibles[i].x;
 				star.y = game.collectibles[i].y;
+				particlesArray.push(star);
 				game.addChild(star);
 			}
 		}
 		if (game.collectibles[i] && game.collectibles[i].x < -100) {
@@ -303,8 +305,11 @@
 			game.collectibles[i].destroy();
 			game.collectibles.splice(i, 1);
 		}
 	}
+	for (var i = game.particlesArray.length - 1; i >= 0; i--) {
+		game.particlesArray[i].move();
+	}
 	for (var i = game.obstacles.length - 1; i >= 0; i--) {
 		game.obstacles[i].move();
 		if (dinosaur.intersects(game.obstacles[i])) {
 			LK.effects.flashScreen(0xff0000, 1000);