為 UFC® 2009 Undisputed 下載這些免費角色以增添選單，包括 UFC 電視真人秀中的輕重量級優勝者 Ryan 「Darth」 Bader 和輕量級優勝者 Efrain Escudero

So you want to be a fighter! Then download the demo featuring playable UFC Fighters Chuck “The Iceman” Liddell and Mauricio "Shogun" Rua! UFC® 2009 Undisputed is an explosive fighting game detailing the action, intensity and attitude of Mixed Martial Arts (MMA). Featuring an authentic and comprehensive UFC atmosphere, including an extensive roster of the best mixed martial arts fighters in the world, players will push the envelope with a powerful new game engine, Ultimate Fighting™ Control, and put the best fighting disciplines to the test in the world-famous Octagon™. Take your best shot—UFC 2009 Undisputed is as real as it gets!