Characters...
	Hades Alternate Costume...

Character	How to unlock
Character Achilles	Finish the battle "The Ultimate Warrior" once in Chapter 6.
Character Gaia	Finish the battle "Gaia, the Goddess of Earth" once in Chapter 7.
Character Hades	Finish the battle "The Beginning and End of Everything" once in the Final Chapter.
Character Joan of Arc	Finish the battle "The Maid of Orleans" once in Chapter 6.
Character Perseus	Find every of the 21 Fragments of Perseus.
Character Ryu Hayabusa	Finish the battle "The Dragon Ninja" once in Chapter 6.
Character Yang Jian	Finish the battle "Young Warrior of the Minamoto" once in Chapter 6.

Finish the Tower of Ophiuchus in Infinity Mode, you must clear all other towers in Infinity Mode, then defeat Zeus at the top of the Sky Father Tower with all allies recruited.