Bethesda Softworks and 2K announced that The Elder Scrolls IV: Shivering Isles, an expansion for The Elder Scrolls IV: Oblivion, will be shipping to retail stores and made available for download on Xbox Live.
Shivering Isles not only adds 30 hours of new gameplay, but gamers will also gain access to the realm of Sheogorath, the Daedric Prince of Madness. There are a dozen new creatures to encounter, plus all new items, ingredients and spells to collect on the two halves of Sheogorath's realm, Mania and Dementia. Players will also have access to new armors and weapons from the craftsmen of Crucible and Bliss.
The Windows version of Shivering Isles is available in retail stores, and the Xbox 360 version is available for download via Xbox Live.