Beaterator

Description
From Rockstar Games (creators of the GTA game series), Beaterator is a free online beat production app written in Flash. This is the original web version of a game that was released on PSP. Contains original all-new loops and sounds produced by Timbaland for Beaterator, but you can also create your own original beats.

URL
http://www.beaterator.com/beaterator.html