Minecraft wiki entry for Mash-up_pack, associated text: The Halo Mash-up Pack was released on May 27, 2014 and is based on Halo, developed by Bungie and 343 Industries. It has 40 skins to choose from, and purchasable through the Xbox 360 or One Marketplace or directly in-game through the Downloadable Content section of the game and costs US$5.99.[12]