Unlockable costumes:
Go to the "Press Start" screen, then hold L1 or L2 after enter the
following codes:

Unlock Chopper's 3rd bonus outfit:
Press Triangle, Left, Right, X, Up, X, Down

Unlock Luffy's 3rd bonus outfit:
Press Up, X, Up, X, Square, X, X

Unlock Nami's 3rd bonus outfit:
Press Left, X, Left, X, Square, X, Triangle

Unlock Usopp's 3rd bonus outfit:
Press Right, X, Right, X, Square, X, Triangle

Unlock Zolo's 3rd bonus outfit:
Press Down, X, Down, X, Square, X, Triangle

Unlock Robin's 3rd bonus outfit: (Japanese version):
Press Down, Right, X, Square, X, X

Unlock Sanji's 3rd bonus outfit:
Press Up, X, Down, X, Square, X, Circle

Go to the "Press Start" screen, then hold R2 after enter the
following codes:

Unlock Sanji's 4th bonus outfit:
Press Up, Circle, Down, Circle, Triangle, Square, Triangle, Circle

Unlock Usopp's 4th bonus outfit:
Press Right, Circle, Right, Circle, X, Triangle, Square, Circle

Unlock Nami's 4th bonus outfit:
Press Left, Circle, Left, Circle, Triangle(2), Square, Down

Unlock Zolo's 4th bonus outfit:
Press Down, Circle, Down, Circle, Square, X, X, Triangle

Unlock Chopper's 4th bonus outfit:
Press Left, X, Right, Circle, Triangle, Left, Right, Square

Unlock Luffy's 4th bonus outfit:
Press Up, Circle, Up, Circle, Square, X, X, Up

Unlock Mr. 2 Bon Clay:
Unlock characters 1-14. After, play on any difficulty level in Story mode,
but choose Sanji. While you see the ending credits, hold L1 and press
X, X, Circle, X, Left, X, Circle, Square, X, Circle, Triangle, Circle,
X, R1, R1, Left. The sound will confirm if the entered code is accepted.

Unlock Mr. 0 Crocodile:
Unlock characters 1-15. After, play on any difficulty level in Story mode,
but choose Ms. Sunday. While you see the ending credits, hold L1 and press
Down, X, Left, Down, Triangle, X, Circle, Square, Up, Circle, R1, Left,
Triangle, Right, Square, R1.The sound will confirm if the entered code is
accepted.

Marine HQ stage:
First unlocking everyone, then complete their move lists in training mode.
After doing so, destroy all the pillars in the stage. Do this with every
character.

Unlock Alabastia stage:
Finish Story mode with Crocodile

Unlock Maxim stage:
Finish Event Battle with Enel

Very hard mode:
Finish Event Battle in hard mode with more than 10 characters

Battle stats:
Finish Event Battle in very hard mode

Unlock Theater, voice collection, option and images in gallery:
Finish Event Battle

"BMG Select" in the "Tresasures" option:
Finish Event Mode with Mihawk in hard mode

Choose any given letter by the game title you need to find PS2 cheats or Codes for.

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