dragoner
KosmicRPG.com
Last was a Mongoose 1e Traveller game of 4 1/2 years. Over time, there has been AD&D, Classic Traveller, Twilight 2000, Call of Cthulhu, Rifts; all starting in '79. Right now I am running an M-Space game and another Classic Traveller game, however not playing anything, which makes me sad. 
Some game systems really don't promote long term games, such as Paranoia.

Some game systems really don't promote long term games, such as Paranoia.