Very nice! I hope you guys are familiar with Gravitar, by Atari - it's basically the same idea.
One minor point: the tutorial has a part where it says "assert". Wouldn't it be "exert"?
Thanks! also that's a quality edit, it doesn't make much sense for a planet to assert gravity.... I will fix that in the next build - this list is getting long. I can't imagine edits on a big game.
