Dissidia: Final Fantasy
Dissidia: Final Fantasy is a 1v1 action rpg/fighting game developed for the PlayStation Portable as part of the campaign to celebrate the Final Fantasy series 20th anniversary. The game features characters from the different Final Fantasy games and centers around a great conflict between the heroes and villains, as the god of discord, Chaos, tries to wrest control of their worlds from the forces of good.
Dissidia was released in Japan on December 18, 2008, on August 25, 2009 in North America, and September 4, 2009 in Europe. Dissidia was well-received critically and commercially, with positive reviews and sales of over 1 million copies worldwide. A re-release is planned for Japan based on the North American version called Dissidia Final Fantasy: Universal Tuning which is due to be released on November 1st, 2009.