Survive 16 worlds joystick to steer button 0 or $ to fire button 1 or % for shield Y U I H J K M N* * * * * * * * * * * * * * * transform Esc* * * * * * * * * * * * * * * * pause Ctrl-S * * * * * * * * * * * * * * sound Ctrl-R * * * * * * * * * * * * * restart Ctrl-K / Ctrl-J* * * keyboard / joystick