One Piece Grand Battle! 3 Cheats

Smoke:
Successfully complete the game in event mode as Lufi, Nami, Zolo, Sanji, and Usop. Then use Lufi to complete event mode again.

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.

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.

Kuro:
Successfully complete the game in event mode as Usop.

Krieg:
Successfully complete the game in event mode as Sanji.

Baki:
Successfully complete the game in event mode as Zolo.

Alvida:
Successfully complete the game in event mode as Lufi.

Arlong:
Successfully complete the game in event mode as Nami.

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.

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.

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

Unlock Enel
After clearing event battle with Luffy, Zoro, Nami, Usopp, Sanji, Chopper, and Robin complete some of there move lists in training mode. A picture should flash by of Enel challanging you, go to Grand Tours (tournament mode) and just play a regular tournament, one of the characters will be replaced with Enel, beat Enel and win the tournament to unlock Enel.

Unlock Aokiji
Clear Event Battle with Luffy, Zoro, Nami, Usopp, Sanji, Chopper, Robin, Buggy, Kuro, Krieg, Arlong, Smoker, Bon Clay, Crocodile, and Foxy. Then play Event Battle again with Luffy and beat Aokiji with a level 2 special to unlock Aokiji.

Unlock Very Hard Mode
Clear Hard mode in Event Battle with more than 10 Characters.

Unlock Shanks
Clear Event Battle with Luffy on the Very Hard difficulty after unlocking all previous characters including Enel and Aokiji.

Unlock Mihawk
Clear Event Battle with Zoro on Hardest difficulty. Beat Mihawk with Zoro's level 2 special after getting hit with Mihawk's level 2 special. You must unlock all other character before this including Enel, Aokiji, and Shanks.

Unlock Maxim Stage
Clear Event Battle with Enel.

Unlock Groggy Ring
Win 3 events in Davy Back Fight mode 3 times.

Unlock Marine HQ stage
After unlocking EVERYONE complete their move lists in training mode and after doing so destroy all the pillars in the stage. Do this with every character to unlock the stage.

Unlock new costumes for The Straw Hats
After unlocking Shanks and Mihawk, complete the entire move set for all The Straw Hat Pirates in Training Mode to unlock a third costume for them inspired by the Color Walk books.

New Title Screen
Unlock all the characters to reveal a new title screen that features everyone.