How to play? Tap the screen to switch the color at the top of the ring. When the color at the top of the ring matches the color of the ball, the ball can pass through the ring smoothly, otherwise the game is over. The game is divided into three modes: easy, medium, and hard. Challenge the limit of your brain's reaction speed!

怎样去玩？点击屏幕切换圆环顶部的颜色，当圆环顶部的颜色和小球的颜色一致时，小球则可以顺利通过圆环，否则游戏结束。游戏分为简单，中等，困难三种模式。快去挑战自己大脑反应速度的极限吧！