UFC 2009 Undisputed, also known as UFC Undisputed 2009, is a mixed martial arts video game featuring Ultimate Fighting Championship properties and fighters developed by Yuke's and published by THQ. The game was released for PlayStation 3 and Xbox 360. It is the first game to be released under THQ's 2007 agreement with the UFC, and it is to be the first UFC game released since UFC: Sudden Impact in 2004. A playable demo of UFC 2009 was released onto Xbox Live and PlayStation Network on 23 April 2009, and featured a tutorial and exhibition matchup between Chuck Liddell and Mauricio Rua. A sequel, UFC Undisputed 2010, was released on 25 May 2010.The developers at Yuke's Osaka included 6 major primary fighting styles for the fighters in the game; Striking: Boxing, Kickboxing, and Muay Thai, Grappling: Brazilian Jiu-Jitsu, Judo, and Wrestling. These styles are placed into two categories, allowing a character to have one of the fighting styles from each of these categories.