36 directions would probably be best.
and the physics absolutely HAVE to be spot on.
The inertia in space and stuff.
when i posted the link to
http://www.AmbrosiaSW.com/games/evn/
i wanted you to go there and play the game. The best shareware game you never played. Its a winning formula, but sadly they arent planning on making an online version... Dont let me down SA!!! Im counting on you!