To unlock these characters, beat the game with the indicated amount of characters.

Kim Kaphwan	1
Richard Myer	2
Fio	3
Hanzo Hattori	4
B. Jenet	5
Nightmare Geese	6
Ninon Beart	7
Lilly Kane	8
Classic Kyo Kusanagi	9
Wild Wold (MOTW Terry)	10
Armor Ralf	11
Mr Karate	12
Hyena	13
Jivatma	14

Sound Test:
Beat stage 60 in Quest Survival mode.