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.
Mojang Using "Minecraft", the community has helped reconstruct the areas of concern, and citizens are invited to enter the "Minecraft" servers and modify their own neighborhood. Carl Manneh, Mojang's managing director, called the game "the perfect tool to facilitate this process", adding that "the three-year partnership will support UN-Habitat’s Sustainable Urban Development Network to upgrade 300 public spaces by 2016". Mojang signed "Minecraft" building community, "FyreUK", to help render the environments into "Minecraft". The first pilot project began in Kibera, one of Nairobi’s informal settlements, and is in the planning phase. The "Block By Block" project is based on an earlier