var Money = Container.expand(function () {
	var self = Container.call(this);
	var moneyGraphics = self.createAsset('money', 'Money Graphics', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreTxt.anchor.set(.5, 0);
	LK.gui.topCenter.addChild(scoreTxt);
	var moneyArray = [];
	var score = 0;
	var isGameOver = false;
	var tickOffset = 0;
	LK.on('tick', function () {
		if (isGameOver) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		for (var a = moneyArray.length - 1; a >= 0; a--) {
			moneyArray[a].move();
			if (moneyArray[a].y > 2732) {
				moneyArray[a].destroy();
				moneyArray.splice(a, 1);
			}
		}
		if (tickOffset++ % 30 == 0) {
			var newMoney = new Money();
			newMoney.x = Math.random() * 2048;
			newMoney.y = 0;
			moneyArray.push(newMoney);
			self.addChild(newMoney);
		}
	});
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		for (var a = moneyArray.length - 1; a >= 0; a--) {
			if (moneyArray[a].intersects(pos)) {
				moneyArray[a].destroy();
				moneyArray.splice(a, 1);
				score++;
				scoreTxt.setText(score);
			}
		}
	});
});

===================================================================
--- original.js
+++ change.js
@@ -40,9 +40,9 @@
 	});
 	stage.on('down', function (obj) {
 		var event = obj.event;
 		var pos = event.getLocalPosition(self);
-		for (var a = moneyArray.length; a >= 0; a--) {
+		for (var a = moneyArray.length - 1; a >= 0; a--) {
 			if (moneyArray[a].intersects(pos)) {
 				moneyArray[a].destroy();
 				moneyArray.splice(a, 1);
 				score++;