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
Crown and Council once they have eliminated every enemy, regardless of actual remaining neutral tiles. There are 75 maps, with the possibility of additional maps being procedurally generated. The game was developed entirely by Mojang programmer Henrik Pettersson. It was originally conceived in a 72-hour game jam, and was inspired by the games "History of the World" and "Slay". Pettersson described the game as "experimental", and that while Mojang remains "a "Minecraft" company doing "Minecraft" things" and that most of the prototyping happens within the "Minecraft" environment, developpers have some time set aside to work on their own ideas. As a hobby project,