Game Controls: lower left point at the images of small ball, small ball will follow your mouse movement, bear in mind: Do not worry. Small ball wall face trial even!

 
  • 游戏操作:点一下画面左下的小球,小球就会跟着你的鼠标运动,切记:千万不要着急,小球碰到试管壁就算失败了!
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