Sid Meier's is kind of a one-act-show when it comes to games, basically most of what I've seen from him has been turn-based strategy games with single-unit armies, such as Civilzation and this game, but I must admit, he's good at what he does, and I don't blame him for not leaving his comfort zone.  Alpha Centauri is pretty much Civilization with an alien, futuristic twist.  Definitely appeals to the game types that I like, and this game does not disappoint.  It's always fun to see if I can beat my former accomplishments in this game and it never gets old.