If you're looking for something more recent, I'd go with Fallout 3. I haven't played the first two, but I do know that the third one is when the game became a first-person rpg. It's one of my favorite games of all time.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell