Code Club AB Code Club AB Code Club AB is a Swedish video game developer based in Motala, founded in 2007 by Rolf Jansson and Markus Persson. The company developed the sandbox massively multiplayer online role-playing game "Wurm Online" and its standalone version, "Wurm Unlimited". Code Club AB was founded as Mojang Specifications AB by Rolf Jansson and Markus Persson in 2007, as the game started to turn a profit. Later in 2007, Markus Persson stepped out of the project and left the company, however, he wished to retain the "Mojang" name for himself, because of which Jansson renamed the company Onetoofree AB.
Minecraft official modding application programming interface (API). Texture packs that alter the game's textures and HUD are also available, as created by the community. In July 2013, texture packs were replaced with "resource packs", which have the same role as texture packs, but allow custom audio as well. Players are also create their own maps, which often contain specific rules, challenges, puzzles and quests, and share them for others to play. In August 2012, Mojang added adventure mode for custom maps and in October 2012, Mojang added command blocks, which were created specially for custom maps. In February 2016, Mojang added