Cool Math Battl.io is a great free for all fast-paced multiplayer online game. Choose the necessary equipment including the gun or armor before taking part in the challenge. The main objective is to kill as many enemies as possible to gain the high score, rank up, and dominate the top spot. Aside from the weapon at the beginning, you will receive many interesting power-ups. The advanced items should be activated. Let’s play and see if how long you become the best gunner! Good luck!
Use WASD to move, left click to shoot, Space to control the advanced power-ups.