left - left
right - right
shift/space/enter - shoot
esc/down - toggle pause/menu
mouse left - left
mouse right - right
left click - shoot
right click - toggle pause/menu
touch - fire
touched vertical position - position to move ship
gesture up/down - pause/menu
left stick left/right - move
select/start - pause/menu
other button - fire
gfx/music/original idea owned by gamedesign
js port, gameplay improvement by bga