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 mods that at first he was "too afraid to mod Minecraft at all", but learned to appreciate it when he realized that modding "Minecraft" is "pretty forgiving". Eddy does nevertheless mention that he feels Mojang's fast development pace regarding the main game has slowed down the progress of the most popular mods. Similarly, Benjamin Abbott of "Metro" agrees that adding mods to "Minecraft" is "a thorough pain in the backside", though he concedes that "the result is usually worth it". Matt Smith of "MakeUseOf" says he is disappointed with most of the "Minecraft" mods available, claiming they don't modify the game