Successfully complete the game in event mode as Nami.
Baki
Successfully complete the game in event mode as Zolo.
Krieg
Successfully complete the game in event mode as Sanji.
Kuro
Successfully complete the game in event mode as Usop.
Mihawk
Successfully complete the game in event mode as all characters from Luffy to Tashigi. Then, win event mode again as Zolo and defeat Mihawk.
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.
Pandaman
Press Circle(2), X, Triangle(2), Square while the credits are rolling at the end of the game. A sound will confirm correct code entry.
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Alvida
Successfully complete the game in event mode as Lufi.
Shanks
Successfully complete the game in event mode as all characters from Luffy to Tashigi. Then, win event mode again as Luffy and defeat Shanks.
Smoke
Successfully complete the game in event mode as Lufi, Nami, Zolo, Sanji, and Usop. Then use Lufi to complete event mode again.
Tashigi
Successfully complete the game in event mode as Lufi, Nami, Zolo, Sanji, and Usop. Then complete event mode again with each of those characters except for Lufi.
Arlong...