城堡防御在线是您可以在UGameZone.com上免费玩的防御游戏之一。您必须通过射击即将来临的敌人，直到他们到达城堡尽头来保卫城堡，否则他们将摧毁城堡。赢得星星，购买道具和升级，杀死最强大的敌人，升级武器，征服城堡大战。
Enable Flash in Chrome settings. When Flash is disabled, the label will read " Block sites from running Flash ".Click the toggle to enable flash and the label will read " Ask First ". Shown like the following:
Now Click And then,click " Allow " in the box that appears in the top-left to play the game.Shown like the following:
