The Elder Scrolls IV: Oblivion: With the empire ready to crumble, the gates of Oblivion open and demons march upon the land. You must find the lost heir to the throne and unravel the sinister plot that threatens to detroy all of Tamriel.

Knights of the Nine (Expansion Pack): A fallen King has been unchained from the darkness of Oblivion to seek vengeance upon the Gods who banished him. Only a champion pure of heart can vanquish the evil that has been released upon the land.

Shivering Isles (Expansion Pack): Enter the torn realm of Sheogorath - a world where Mania and Dementia reign. Do you have the strength to survive his trials, to tame a realm fraught with paranoia and despair, and wear the mantle of a God?

Oblivion features a powerful combination of free-form gameplay, unprecedented graphics, cutting edge AI, character voices by acting legends Patrick Stewart, Sean Bean, Terrance Stamp, and Lynda Carter, and an award-winning soundtrack. Gamers can choose to unravel Oblivion's epic narrative at their own pace or explore the vast world in search of their own unique challenges.

With more than 30 hours of new gameplay, Shivering Isles allows you to explore an entirely new plane of Oblivion - the realm of Sheogorath, the Daedric Prince of Madness. Shivering Isles features a bizarre landscape split between the two sides - Mania and Dementia -filled with vast, twisting dungeons mirroring the roots of the trees they are buried within. Sheogorath himself looks to you to be his champion and defend his realm and its inhabitants from destruction as you discover all new items, ingredients, spells, and much more. The Shivering Isles features a bizarre landscape split between the two sides - Mania and Dementia -filled with vast, twisting dungeons mirroring the roots of the trees they are buried within.