During the story, the player controls the ten warriors chosen by Cosmos, the protagonists from the first ten Final Fantasy games, in their journey. The two summon multiple warriors to fight for their sides in their thirteenth war. The game features characters from different Final Fantasy games and centers on a great conflict between Cosmos, goddess of harmony, and Chaos, the god of discord. It was then re-released as an international version in Japan, based on the North American port, as Dissidia Final Fantasy: Universal Tuning, on November 1, 2009. It was released in Japan on December 18, 2008, in North America on August 25, 2009, in Australia on Septemand in Europe on September 4, 2009. 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.