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 mods a repository for "Minecraft" mods. Their help website lists video tutorials that teach the player how to install and play "Minecraft" mods. "Minecraft"s creator Markus Persson admitted in 2012 that he was initially skeptical of mods, fearing that the usermade content would threaten his vision for the game. Persson says he came around, as he claims to have realized that mods are "a huge reason of what "Minecraft" is". In some cases, authors of mods even ended up getting a job at Mojang. In 2016, Mojang announced their official support for mods on the mobile and console versions of Minecraft