MARS
- Mars base simulation game from French chapter of Mars Society. Freeware for Windows.
- http://perso.orange.fr/salotti/marsbase.htm

Claim Stake
- Asteroid Mining Game
- http://www.claimstake.com/

Space Colony
- Sims-style game to develop a space colony. Doesn't look terribly realistic, but cute...
- http://www.savethecolony.com/

Into Space
- Hyperlink game with the author's opinions on how we should be developing space...
- http://web.wt.net/~markgoll/intospac.htm

Moon Tycoon
- Build and manage a 3D lunar colony - sim game with a range of industries and strategies.
- http://www.anarchyent.com/mt.asp

SpaceColonyH
- A psychologically-based, problem-solving leadership game set in a space colony.
- http://www.spacecolony.com