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Playstation 2 - The Rumble Fish cheats

Unlock Hazama
Meet with Greed in Story mode. 
Beat him, after beat Hazama also.
Do not use a continue.

Unlock Greed:
Finish the game. Do not use a continue.

Unlock Laboratory level:
Beat Hazama in story mode 

Galleries: 
Unlock Aran's Gallery -  Finish story mode as Aran.
Unlock Boyd's Gallery -  Finish story mode as Boyd.
Unlock Garnet's Gallery -  Finish story mode as Garnet.
Unlock Hikari's Gallery -  Finish story mode as Hikari.
Unlock Kaya's Gallery -  Finish story mode as Kaya.
Unlock Misc Gallery 1 -  Finish arcade mode.
Unlock Misc Gallery 2 -  Finish survival mode.
Unlock Orville's Gallery -  Finish story mode as Orville.
Unlock Sheryl's Gallery -  Finish story mode as Sheryl.
Unlock Typhon's Gallery -  Finish story mode as Typhon.
Unlock Viren's Gallery -  Finish story mode as Viren.
Unlock Zen's Gallery -  Finish story mode as Zen.