Player 1 Up W, Down S, Left A, Right D, Shoot H, Jump U Player 2 Up Up, Down Down, Left Left, Right Right, Shoot Z, Jump X Player 3 UP I, Down K, Left J, Right L, Shoot O, Jump P Player 4 UP 8, Down 2, Left 4, Right 6, Shoot 1, Jump 3 Enter Start/Pause F4 Full screen/Window