Elder Scrolls: Oblivion is factoring into my story so much already! I couldn't be happier. If only the story had started with Haeddry waking up in a prison and being sent on a mission by the soon-to-be-assassinated emperor of Cyrodiil. Oh well. (Now I really want to write my first ever fanfic based on Oblivion. Odd.)
This game is my favourite always and forever. I am so looking forward to the sequel, Skyrim! My friends and I are going to have a marathon-style launch party when it comes out November 11th.