Board Thread:Oblivion/@comment-27279223-20151124142818/@comment-6881629-20151125130906

Game of the Year has the two main dlc Shivering Isles and Knights of the Nine included with it so i would go with that, if your on PS3 i don't think the original was ever released just the GotY.

If your on PC Steam has GotY Deluxe with all the smaller dlc included too.