Circu.io is a fun iO game that you can play and give a test to your reaction speed and reflexes. This Multiplayer game takes you to an arena full of the red balls. You will have to quickly pop them all by clicking on them and attempt to do this faster than your opponents. The faster you click, the higher points you will earn. The one who has the best score will totally rule the map, and you must try your hardest to be that one. Every a period of time, the balls will turn up again on the screen, and whenever they pop up, they must be destroyed quickly. This gameplay is not as hard as other iO games, but still, you should try to stay focused on it and obtain your goal. If you’re new to this kind of gameplay, then practicing your skills is highly advised. You ready? Try it now!