Dissidia Final Fantasy is a PSP-exclusive fighting game featuring heroes and villains from 20 years worth of Final Fantasy titles. Characters can glide through the air, dash across walls, summon Aeons, and perform variants of "limit breaks" and "overdrives" while pummeling their rivals in an assortment of 3D environments. The fighting system was designed by the creators of the Kingdom Hearts series and features an EX gauge that builds with every successful attack. Once filled, characters can transform into powerful alter egos to unleash new forms of attacks. Each combatant will also learn new techniques and acquire more equipment as they gain experience through battles. Both online and Ad-hoc wireless support are included, with the option to trade items like friend cards, AI characters, and more. A total of 22 characters are available to fight as or against, equally divided among good and evil factions.