use left and right to move out of the way of attacking ships, space to shoot and up arrow to attack with high damage but short distance.
this was one of my first games, i loved this so much. i unshared it becuase i thought it didnt mach my current quality. this is from 2017 tips: if it starts to glitch just stop, its not worth it; the green dude is your friend; doge the orange ship( it looks like a boat).