Mash up packs were just confirmed to be supported by TU12 (releasing alongside or shortly after TU12) Minecraft Xbox 360 - Update Adventures Lets play Playlist: https://www.youtube.com/playlist?list=PLe8AZ2rjfkpx5SUrbzQrqt_bwLkNxC9sD Minecraft Xbox 360 Seeds Playlist: https://www.youtube.com/playlist?list=PLe8AZ2rjfkpyqlRnXNjetrxgLLX6xIT0i My Twitter: http://twitter.com/ibxtoycat