Minimalistic arcade survival shooter Sumi invites you to take control of the battle sphere and challenge endless waves of enemy balls in an open arena. Deftly maneuver between dangerous clusters of enemies, continuously fire tightly to kill and instantly dodge retaliatory attacks from all sides. Gradually increase the combat power of your character, wisely choose positions for shooting attacking opponents and adapt to the growing dynamics of the battle. Survive the onslaught as long as possible and earn game points in Sumi.