This is a list of ''' official add-ons''', downloadable content created by [[General:Bethesda|Bethesda Softworks]] for [[Oblivion:Oblivion|Oblivion]]. Ten add-ons have been released for Oblivion, with [[Shivering:Shivering Isles|Shivering Isles]] serving as the game's only major expansion pack. Excluding Shivering Isles and [[Oblivion:Fighter's Stronghold|Fighter's Stronghold]], all of the add-ons are included on the [[Oblivion:Knights of the Nine|Knights of the Nine]] retail disc. All ten add-ons are included with Steam's <span class="plainlinks">[http://store.steampowered.com/app/900883/ Game of the Year Deluxe Edition]</span> and with <span class="plainlinks">[http://www.elderscrolls.com/anthology/ The Elder Scrolls Anthology]</span>; these are the only legitimate ways to acquire Fighter's Stronghold for PC. The Oblivion Game of the Year and 5th Anniversary Edition retail discs include ''only'' Knights of the Nine and the [[Shivering:Shivering Isles|Shivering Isles]] expansion and not the other eight add-ons. The add-ons can no longer be purchased online individually for PC, but were originally available from Bethesda's Online Store and <span class="plainlinks">[http://www.direct2drive.com/ Direct2Drive]</span>. Add-ons that were purchased from these vendors are not compatible with Steam versions of Oblivion.
[[Oblivion:Xbox 360|Xbox 360]] players can purchase any of the add-ons from the <span class="plainlinks">[http://marketplace.xbox.com/en-US/games/media/66acd000-77fe-1000-9115-d802425307d1/?of=0&sb=1&p=2 Xbox Live Marketplace]</span>. Both the [[Oblivion:Thieves Den|Thieves Den]] and [[Oblivion:Wizard's Tower|Wizard's Tower]] add-ons were also provided on the Official Xbox Magazine's 67th promotional disc.