In a distant world in a special arena battles to death between two different teams are held. You in the game Undo will take part in these deadly competitions. At the beginning of the game you will choose the side for which you will play. Then you and your team will start moving around the game area. On it will be located various buildings and other objects. Behind them you can hide and hide from enemy fire. Noticing the enemy, take it on sight and open fire to defeat. Try to hit the head, then you will kill the enemy from the first shot. Just recharge your weapon in time.