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
MineCon came the introduction of 'Official Community Events', which allow events such as Minefaire, Minevention and Multiplay's BlockFest to be considered 'Official Minecraft Conventions'. During MINECON Earth, Jens "Jeb" Bergensten announced the next update, the 1.13 "The Update Aquatic" update. This update was released in July 2018. Vu Bui, Mojang COO, also announced the winner mob based on vote, "The Monster of The Night Skies". On 10 April 2018, Mojang announced that MINECON EARTH will be taking place on 29 September 2018 for 90 minutes on stream. It is claimed to be the biggest Minecraft celebration ever, with panels, community highlights,