Your goal in Paper io is to constantly enlarge your own space! By competing with other people online, you are trying to rank among the top. After starting the game in a very small area, you should try to increase your score by eating other players. The game takes place on a specified map. If you hit yourself in the game, you die because your tail is constantly getting longer. You can grow by eating other players' fields.
You can play the game with the keyboard's W, S, D, A keys or just using the mouse.