你在黑白阶段控制的是白色球。白色和黑色物体随机布置在屏幕上。您的任务是控制白球跳跃而不触摸黑色对象。挑战有五个级别。享受，玩得开心！
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:
