The figures come from a Reddit thread, where Minecraft creator Markus Persson (AKA Notch) shared the figures -- a level of success he admitted he's somewhat uncomfortable with. "I've always had a tendency to feel like I'm just not quite keeping up with demands, even before starting work on Minecraft. It's not gotten better by having a runaway hit like this."
The latest update for the game, version 1.4, launched last week, adding a host of new features to the game. A documentary is also in the works.