Welcome to Paper.Io Online. It's very easy and funny to play. When looking for a game to spend leisure time, you have to try this game. Run in different directions and claim a territory you need to close the area. The Only difficult point is how to win. Actually, you need to be aware of your tail which is too weak. For example, you will replay the game if anyone touches your tail. How do you protect it? Run as fast as you can and be more cunning than your opponents. Maybe you have already made an intelligent strategy to conquer the most space. Have fun with Paper.Io Online! Good luck! Control: Arrows to move on Computers. Tap buttons on-screen on Mobile Phone.