Papers.io Mania is a very crazy IO game. In this game world, there are no rules or restrictions. Believe me, this game is absolutely addictive. The only thing you need to do is to occupy more territory. At the same time, be careful not to come into contact with the characters of other players, because everyone is trying their best to occupy more territory. If you don't act first, then you are probably the one who lost. What are you hesitating about? Come and experience this crazy game!