The award-winning mother of motherfucking badass games with blackjack and hookers, Fallout 2 (well, it's data files...), along with the "FOnline : 2238" multiplayer mod.
Everything is set up, no need to install, just run FOnline.exe.
-Hope seeing you in-game, and remember, bluesuits with SMG's are not running towards you to hug you!