Dissidia Final Fantasy is a fighting game with action RPG elements developed and published by Square Enix for the PlayStation Portable as part of the campaign for the Final Fantasy series' 20th anniversary. It was released in Japan on December 18, 2008, in North America on August 25, 2009, and in Australia and Europe in September. It was then re-released in Japan, based on the North American version, as Dissidia Final Fantasy: Universal Tuning, on November 1, 2009.