Codemasters has announced that the racing game DiRT 3 is temporarily available for free on the Humble Store. The game is available for both Windows and OS X.
Via the store gamers are able to redeem a code for the Complete Edition of the game, which includes several extra vehicles and tracks. With the code players are able to unlock the game on Steam.
DiRT 3 was released in Europe and North America on May 24th 2011, and two days later in Australia for Microsoft Windows, Xbox 360 and PlayStation 3. The game was also ported to OS X by Feral Interactive and was released on January 29th 2015.
The Humble Store promotion lasts until Saturday, November 12th 2016, 18:00 GMT.