Kugeln.io is a multiplayer shooter game. Players will become polandballs and fight their way through different maps and defeat all the opponents to win. Control your character with A/D and space to jump. You can aim with your mouse. Shoot with the left mouse button, and use the right one to throw a grapnel. Press E when you are close to a machine gun to use it. To reload your gun, you have to find that weapon on the map and pick it up again.