Minecraft of the alpha version of the game expanded. Persson continued to update the game with releases distributed to users automatically. These updates included new items, new blocks, new mobs, survival mode, and changes to the game's behavior (e.g. how water flows). To back the development of "Minecraft", Persson set up a video game company, Mojang, with the money earned from the game. On 11 December 2010, Persson announced that "Minecraft" was entering its beta testing phase on 20 December 2010. He further stated that bug fixes and all updates leading up to and including the release would still be free.
Minecraft was themed after the "Mass Effect" franchise. Unlike the PC version, however, the "Xbox 360 Edition" does not support player-made mods or custom maps. A cross-promotional resource pack based on the "Super Mario" franchise by Nintendo was released for the "Wii U Edition" worldwide on 17 May 2016. A mash-up pack based on "Fallout" was announced for release on the "Wii U Edition". In June 2017, Mojang released an update known as the "Discovery Update". The update includes a new map, a new game mode, the "Marketplace", a catalogue of user-generated content that gives Minecraft creators "another way to make