Characters can earn experience and level up, and their weapon, their armor, their accessory and their abilities can be customized. The game is a one-on-one action-based fighting game, in which battles take place in fully rendered three-dimensional arenas based on locations from the series. After a previous struggle left Cosmos weakened, she instructs her warriors to find ten crystals that contain the power of light, and which can turn the tide of the war if they can gather them all. Each god has summoned ten warriors to fight for them against the opposing god. The plot centers around a conflict between Cosmos, the goddess of harmony, and Chaos, the god of discord. The score was provided by Takeharu Ishimoto and Nobuo Uematsu. The characters were designed by Tetsuya Nomura, based on the artwork by Yoshitaka Amano (even characters whom Nomura originally designed). It was directed by Takeshi Arakawa and produced by Yoshinori Kitase.

The game features twenty characters from the original ten installments in the Final Fantasy series battling in a three-dimensional environment, with role playing elements allowing characters to be leveled up and customized. It released in December 2008 as part of the Final Fantasy series 20th Anniversary, and is the first title in the Dissidia Final Fantasy sub-series. Dissidia Final Fantasy is a fighting game with action role playing elements developed and published by Square Enix for the PlayStation Portable.

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