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 Beta", which includes the music that was added in later versions of the game. A physical release of "Volume Alpha", consisting of CDs, black vinyl, and limited-edition transparent green vinyl LPs, was issued by indie electronic label Ghostly International on 21 August 2015. The game can run on multiple operating systems, including Microsoft Windows, macOS, and Linux. Apart from "Minecraft: Java Edition" and "Minecraft" for Windows 10, there are other versions of "Minecraft" for PC, including "Minecraft Classic", "Minecraft 4k", and "Minecraft: Education Edition". "Minecraft Classic" is an older version of "Minecraft" that was first available online and can currently