Mojang 2012, Mojang was co-developing a video game codenamed "Rex Kwon Do" alongside an undisclosed developer. Before the title had reached a significant stage of development, Mojang cancelled the collaboration, due to their lack of involvement and influence on the project. In March 2012, Persson revealed that he would be designing a space sandbox game. Although Mojang teased with an April Fools' Day website based around "Mars Effect" (citing the Bethesda lawsuit), it was confirmed that the game was indeed in development, albeit with a different name. On 4 April, Mojang revealed the game's title to be "0x10", set in the
Minecraft Over the course of the development, Mojang hired several new employees to work on the project. Mojang moved the game out of beta and released the full version on 18 November 2011. The game has been continuously updated since the release, with changes ranging from new game content to new server hosts. On 1 December 2011, Jens "Jeb" Bergensten took full creative control over "Minecraft", replacing Persson as lead designer. On 28 February 2012, Mojang announced that they had hired the developers of the popular server platform "CraftBukkit" to improve "Minecraft"s support of server modifications. This acquisition also included Mojang