http://z13.invisionfree.com/eRegime/index.php?act=idx
>Players choose their countries and mine, terraform, and colonize their way to domination of the solar system. In this iteration, players can also play as private companies and trans-Neptunian objects other than Pluto are included for the first time.
It's not a freeform RP game, it's a forum game with actual list of rules and actions and stats derived from both.