Press f to fire bullets Press b to fire super bullets (let all the UFOs go for three seconds) press up, down, right, and left keys to move Instructions for player two (press 2 keys to having duo mode) Press WASD to move Press the space bar to fire bullets Press h to fire super bullets (use the same counter as the first player) Instructions for mobile players Press green buttons to move Press the f button to fire bullets Press b button to fire super bullets
