Valve today announced that Audiosurf, Dylan Fitterer's new title that allows gamers to "ride their music", has been released via Steam. Available for $9.95, the Steam version of Audiosurf includes The Orange Box soundtrack, integrated with the game to enable "Still Alive" surfing and more. Audiosurf is one of the first titles to leverage the recently announced Steamworks, offering full support for the Steam Achievements that appear on Steam. In related news, the Steamworks information page has been updated.