Paper.io is now available at Cool Math Games! It is a mass multiplayer survival game online. In Paper.io, you take a control of a rectangular block and your objective is to invade enemy lands and become as big as possible. Conquer territories from other players and expand your own territory. Try to eliminate others as quickly as you can to prevent them becoming too big. But be careful, other players will try to do the same to you. Draw a line of the same color as your original territory, while moving around the map. Once you connect the drawn line with your original territory, it will be expanded by the area in-between. You can do the same with an enemy territory. You will completely eliminate an opponent if you break their current line, while they are outside of their territory. Remember, that you can also be killed if you are drawing a line outside of your territory. Use arrows or W,A,S,D to control you paper block. Don’t hit the walls. Bite enemy tails but don’t let them bite yours! This game is super-fun and addictive and you can play it online for free at Cool Math Games!