Elder Scrolls III : Morrowind

I've personaly put in over 150 hours, with just 2 different characters. Incredible depth and replayability. Its a truly hardcore RPG, one that I'll continue to pick up and play even a year and a half after I got it.


Star Wars: Knights of the Old Republic

Very final-fantasy like, with a turn-based (yet active) battle system. Hard to explain, but works very well once you get used to it. Character development is active, ever changing, and different each time you play through. Going pure darkside is fun as hell, IMO.

There are several other half-assed RPGs for the 'box, but these two are excellent games that I'll always vouch for. And let's not bring up the visuals or the smoothness