Morrowind, Oblivion, Diablo 1, Diablo 2, Starcraft, Warcraft 3, World of Warcraft, FF7, FF6, FF4, FF10, Phantasy Star 4, Shining Force 3, Tribes, Tribes 2, Call of Duty: World at War.
There may be a few more but I doubt it. And none of the single player games even compare to the multiplayer games.