On Circu.iO

Circu is very simple and wonderful io game, which requires from you to have a fast reaction, that will be compared with other players. Click red balls, appearing on the screen. Be fastest and win this io game.

How to play Circu.iO

Actually, everything what you should to know on this funny io game, was said above. Just test yourself and your reaction, and you will see how simple, but awesome, this game is.

Controls Circu.iO

To click red balls push left click. That’s all.