Codemasters announces a May 29th release date for DiRT Showdown, the continuation of their rally racing series that has been driving towards a May release since it was announced late last year. The game will be the first release under a new Codemasters Racing label, and the release will be supported by a playable demo on May 1st and RaceNet, a new online hub for Codemasters Racing games. Word is: "The demo will feature a solo and multiplayer event and will be available from Xbox Live Marketplace, PlayStation Network and Steam on PC." They also announce a special "Hoonigan" edition of DiRT Showdown is now available for pre-order from Walmart, featuring in-game bonuses items, and they offer a new Ultimate Hoonigan trailer to celebrate the news.