One Piece Grand Battle
Cheat Codes/Hints
Alternate introduction view
At the "Doskoi Panda" Now Loading screen, hold R2 until the introduction begins to play. Instead of the full screen view of the introduction, it will now be in mini screen.
Alvida
Successfully complete the game in event mode as Lufi.
Miss Wednesday
Press Square(2), Triangle, X(2), Circle while the credits are rolling at the end of the game. A sound will confirm correct code entry.