Alternate costumes
Hold [L1] + [R1] while choosing a character
at the selection screen.
Bonus characters
Go to story mode and use any default character to complete
his or her story. Once completed, you will unlock a secret character
in story mode. Successfully complete story mode with the unlocked
character to unlock the next bonus character.
To unlock Neji Hyuuga: Successfully complete story mode as any
default character.
To unlock Hinata Hyuuga: Successfully complete story mode as Neji
Hyuuga.
To unlock Haku: Successfully complete story mode as Hinata Hyuuga.
To unlock Zabuza Momochi: Successfully complete story mode as
Haku.
To unlock Gaara, Successfully complete story mode as Zabuza Momochi.
To unlock Orochimaru: Successfully complete story mode as Garaa.