Most IO games involve growing characters by eating or players. 

Your task is to get to the top of the list until you get the biggest position! 

IO games usually consist of a large online multiplayer arena featuring scoreboards. 

The simple mechanisms of these games make everyone's game experience simple and easy. 

This kind of subject matter is very popular in a short time. 

Io games are characterized by a cell that grows by devouring other players.