外壳挑战是您可以在UGameZone.com上免费玩的隐藏对象游戏之一。在这个舒缓却又富挑战性的益智游戏中，您将在聆听舒缓的音乐时感到舒适，同时匹配屏幕上出现的正确外壳。
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:
