Agar.io Cool Math is a multiplayer game based on browser and it becomes popular in the short time. Now, you can enjoy it for free anytime and anywhere. With the mission grow a cell you will have to search the prey including pellets and smaller blobs without being swallowed. If you have a huge size and good tactic, you can conquer Agar.io Cool Math online easily. Let’s join, pick up the mode and Skin you want to start to fight! The leader position will be yours, right? Good luck!