I just came across this article on Boing Boing about the new Paranoia XP pen & paper RPG, which was publicly developed using open source methodologies, including a Wiki and blogs. This mostly caught my eye because I actually used to play this RPG about 15 years ago as a teenager… ;)
Games * Design * Art * Culture has a more detailed blog entry about Paranoia XP, including the history of the game as well as other interesting links.
This Paranoia fansite also looks interesting and fun. It seems like there’s even a downloadable computer game.
And always remember: The computer is your friend.