Includes: Base game Knights of the Nine expansion The Trembling Islands The Elder Scrolls IV: Oblivion® Game of the Year Edition presents one of the best RPGs of all time like never before. Enter the most detailed and vibrant game world ever created. With a powerful combination of casual gameplay and unprecedented graphics, you can unravel the main quest at your own pace or explore the vast world and find your own challenges. The Game of the Year edition also includes the Knights of the Nine and Shivering Isles expansion, which adds new and unique quests and content to the already huge world of Oblivion. See why critics called Oblivion the best game of 2006. Key features. Features Live a different life in another world Create and play any character you can imagine, from a noble warrior to a sinister assassin to a withered sorcerer. First-person melee and magic An all-new combat and magic system takes first-person gameplay to a new level of intensity where you feel every blow. Radiant AI This groundbreaking AI system gives Oblivion characters full 24/7 schedules and the ability to make their own choices based on the world around them. NPCs eat, sleep, and complete goals on their own. New lands to explore In Shivering Isles, see a world created in Sheogorath's likeness, divided between Mania and Dementia, and unlike anything you've experienced in Oblivion. Challenge new enemies Battle the inhabitants of the Trembling Isles, a land full of hideous insects, Body Atronach, Skeleton Shambles, Amphibian Grummits, and many more. Start a new faction The Knights of Nine have long since been disbanded. Reclaim their former glory as you traverse the remote corners of Cyrodill in an epic questline.