"The rating for the magnificent Elder Scrolls IV Oblivion has been changed from 'Teen' to 'Mature' by the Electronic Software Ratings Board, after the classification board was notified of a user-created mod that made female characters topless, as well as excessive blood and gore scenes that had previously been overlooked by the ratings committee."
(Emphasis mine.)
Should someone tell them there are nekkid pics of cartoon characters on the net and they should make the entirety of the Disney catalog NC-17? Sheesh.