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: Story Mode team to brainstorm the idea for a "Minecraft"-related game, given that the game was essentially a "blank canvas" for storytelling, according to Job Stauffer, and would create an interesting challenge. The two groups recognized the amount of fan-generated narrative content that existed in the way of YouTube videos and other media forms that demonstrated the potential for storytelling in the game. Many on Telltale's staff were also already fans of "Minecraft", with a private server that they played on, with some of the incidents that occurred on there becoming ideas for the game's story. Telltale began negotiations with Mojang in