The word sex has many implications when it is used in connection with video games. As game studies scholars have argued, games are player-driven experiences. Players must participate in processes of play to move the game forward. The addition of content that incorporates sex and/or sexuality adds complexity that other media do not share. Rated M for Mature further develops our understanding of the practices and activities of video games, specifically focusing on the intersection of games with sexual content. From the supposed scandal of "e;Hot Coffee"e; to the emergence of same-sex romance options in RPGs, the collection explores the concepts of sex and sexuality in the area of video games.