VGChartz - "Minecraft, the awesomely addictive procedurally generated isometric sandbox architecture/adventure game-type thing that never ends, has sold its 400,000th unit, and then a few thousand more for good measure. Some time between 4:00 pm and 6:00 pm, on Wednesday October 13th, it exploded past the 400,000 unit milestone with just over 7,000 sales in a 24 hour period. This is all without a publisher, without a single advertisement, and the work of one person, Markus "Notch" Persson. Some say he's a programmer; some say he's a mad scientist. Some of his fans on YouTube casually refer to him as a God of a new universe."