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 and has never been commercially advertised except through word of mouth, and various unpaid references in popular media such as the "Penny Arcade" webcomic. By April 2011, Persson estimated that "Minecraft" had made €23 million (US$33 million) in revenue, with 800,000 sales of the alpha version of the game, and over 1 million sales of the beta version. In November 2011, prior to the game's full release, "Minecraft" beta surpassed 16 million registered users and 4 million purchases. By March 2012, "Minecraft" had become the 6th best-selling PC game of all time. , the game has sold 17 million copies