GC: Ultimum Proelium is a free-for-all fighting game based off Dissidia. It has the 10 Main Good guys and 10 main bad guys and the gods being new character Lana (The White Which from Hyrule Warriors) the Goddess of Lux and the final boss of GC: IV: Isolation, Demonsword the God of Umbra.
Gabe, Brick, Midna, Boomer, Butch, Jecht, Reno, Rude, Zant, Lana.
Vanitas, Ahriman, Ganondorf, Ghetsis, Caius, Sephiroth, Genesis, Xemnas, Weegee, Demonsword.
Deoxurous, Feral Chaos, Sora, SpongeBob, Patrick, SDE#0X (Dark Gabe, Dark Brick, Dark Boomer and Dark Butch), Weegee, Crona, Demonsword.