Holy cow, seriously? Apparently, yes: http://texyt.com/minecraft+persson+notch+indie+game+success+00127 http://texyt.com/minecraft+persson+notch+indie+game+suc

Holy cow, seriously? Apparently, yes: http://texyt.com/minecraft+persson+notch+indie+game+success+00127 http://texyt.com/minecraft+persson+notch+indie+game+success+... At the end, they note that sales were settled in to about $100k/day in September 2010, from a relatively brief peak of $350k/day. Amazing numbers.