RoboFight .io is a great shooter online and free.
Your task is to control a robot on a battlefield full of enemies and try to shoot them down and lead your team to victory. Earn money to buy upgrades and weapons for your killer robot and become unstoppable. Each battle will have a specific time, so which team will kill more at the end of the win. Run, jump, slide and search for your enemies to shoot down them.
Let's have fun with friends.