Controls - - Use the up and down arrow keys to move. - Space to fire - Right and left arrow keys to throttle. Object - - Collect as many points as possible by shooting asteroids. - Don't get hit by them. Score Chart - Large standard asteroid - 20 points. Round, small asteroid - 50 points. Blue, standard asteroid - 100 points. Green asteroid with gray craters - 150 points. Magma asteroid - 220 points.
