pioneer
http://letitbit.net/download/99008.983acbdc8ca3ae40b5c026ec23d1/pioneer_alpha21_setup.exe.html
http://small-games.info/fo.php?link=228124

Space Engine
http://letitbit.net/download/41571.45ea4bdbab23a9d04440dcf4b2a6/SpaceEngine_v0.95_setup.exe.html
http://small-games.info/fo.php?link=197320

Solar 2 juego de fisica pero con ambientes espaciales muy entretenido
http://letitbit.net/download/35088.35489fd8ef28a62eeac6e2ef1010/Solar_2_v1.06_setup.exe.html
http://small-games.info/fo.php?link=166214