Game Theory is the seventh studio album by American hip hop band The Roots, released August 29, 2006, on Def Jam Recordings. The group's first release for the label after leaving Geffen Records, the album was recorded by the Roots mostly using the Apple-developed software application GarageBand. A darker, grittier album with minimal emphasis on hooks in comparison to their previous work, "Game Theory" features a stripped-down sound similar to the work of Public Enemy, with lyrics that concern sociological themes and the late hip hop producer J Dilla.