Anyone who's ever played Mario Paint should recall the bizarre melody that plays when you click on the "O" on the game's title screen. What gamers are gradually discovering, though, is that the game's sound designer, Kazumi Totaka, has been hiding that same tune deep in a number of games for over a decade now.

It's actually kind of disturbing that he was able to do this for so long without the public becoming wise to it, and since there are still many games on his résumé in which the song has yet to be uncovered, the search continues even <a href="http://www.youtube.com/watch?v=tBO8EZSNH3A">now.