CircloO是您可以在UGameZone.com上免费玩的球类游戏之一。带有圆级的物理平台游戏，每当您收集一个圆时，圆级就会增加。收集七个圈子以完成每个级别。当前有十四个级别，外加六个硬模式级别。
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:
