Game Platforms

One Piece : Grand Battle

GameCube

Zoro's third costume

At the "Press Start" screen, hold L, then press Down, A, Down, A, B, A, Y to unlock Zoro's third costume. In the Japanese version, hold L, then press Down(2), A, B, A, Y at the "Press Start" screen.

Voice collection

Successfully complete Event Battle to unlock that character's voice collection at the "Treasures" menu.

Unlock Groggy Ring

Win 3 events in Davy Back Fight mode 3 times.

Play as Foxy (Japanese version)

Successfully complete Event Battle with Chopper twice to unlock Foxy.

Play as Tony Tony Chopper

Unlock Ms. Sunday, then successfully complete Story mode on the hard or greater difficulty setting with Monkey D. Luffy to unlock Tony Tony Chopper.

Play as Hawk-eyes Mihawk

Unlock Red-haired Shanks, then successfully complete Story mode with Roronoa Zolo on the very hard difficulty setting. Use a secret attack to defeat Hawk-eyes Mihawk to unlock him. In the Japanese version, successfully complete Event Battle with Zoro on the very hard difficulty setting after Shanks has been unlocked unlocked. Defeat Mihawk with a level 2 special after getting hit with Mihawk's level 2 special to unlock him.

Nami's third costume

At the "Press Start" screen, hold L, then press Left, A, Left, A, B, A, Y to unlock Nami's third costume. In the Japanese version, hold L, then press Left(2), A, B, A, Y at the "Press Start" screen.

Arlong

Successfully complete the game in event mode as Nami.

Play as Enel (Japanese version)

After completing Event Battle with Luffy, Zoro, Nami, Usopp, Sanji, Chopper, and Robin, complete their move list in Training mode. A picture should flash by of Enel challenging you. Then, play a regular tournament at Grand Tours (Tournament mode). One of the character will be replaced with Enel. Defeat and win the tournament.

Smoke

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

Play as Choppy

Unlock Ms. Sunday, then successfully complete Event Battle or Story mode with Luffy, Nami, or Sanji on the hard difficulty setting to unlock Choppy.

Play as Buggy

Successfully complete Event Battle with Zoro to unlock Buggy.

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.

Play as Don Crick

Successfully complete Event Battle with Sanji on the normal difficulty setting to unlock Don Crick.

Very hard mode

Successfully complete Event Battle on the hard difficulty setting with more than ten characters to unlock the very hard difficulty setting.

Very hard mode

Successfully complete Event Battle on the hard difficulty setting with more than ten characters to unlock the very hard difficulty setting.

Play as Red-haired Shanks

Unlock Tony Tony Chopper, the successfully complete Story mode with Luffy on the very hard difficulty setting to unlock Red-haired Shanks. In the Japanese version, successfully complete Event Battle with Luffy on the very hard difficulty setting after unlocking Aokiji and Enel.

Mr. 2 Bon Clay's secret attacks

Instead of holding L and pressing A + B to use a random clone-clone attack, try the following moves to transform instead. By doing this, you can use strategy instead of luck for which character you will transform into.

Mr. 7: While holding L, press A(4), B.

Mr. 8: While holding L, press A(3), B.

Mr. 9: While holding L, press A(2), B.

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.

Marine HQ stage

After unlocking everyone, successfully complete their move lists in Training mode. After doing so, destroy all the pillars in the stage. Do this with every character to unlock the stage.

Play as Kuro

Successfully complete Event Battle with Usopp to unlock Kuro.

Baki

Successfully complete the game in event mode as Zolo.

Play as Mr. 2 Bon Clay

Unlock characters one through fourteen, including Ms. Sunday, Tony Tony Chopper, Red Haired Shanks, and Hawk-Eye Mihawk. Then, use Sanji in Story mode on any difficulty setting. During the ending credits, hold L and press A(2), X, A, Left, A, X, B, A, X, Y, X, A, R(2), Left to unlock Mr. 2 Bon Clay.

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.

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.

Play as Krieg

Successfully complete Event Battle with Sanji to unlock Krieg.

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.

Usopp's third costume

At the "Press Start" screen, hold L, then press Right, A, Right, A, B, A, Y to unlock Usopp's third costume. In the Japanese version, hold L, then press Right(2), A, B, A, Y at the "Press Start" screen.

Maxim stage

Successfully complete Event Battle with Enel to unlock the Maxim stage.

Play data

Successfully complete Event Battle on the very hard difficulty setting to view the stats for your battle.

Unlock Very Hard Mode

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

Sanji's fourth costume

At the "Press Start" screen, hold R, then press Up, X, Down, X, Y, B, Y, X to unlock Sanji's fourth costume.

Play as Smoker

Successfully complete Event Battle with Luffy to unlock Smoker.

Krieg

Successfully complete the game in event mode as Sanji.

Kuro

Successfully complete the game in event mode as Usop.

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

Play as Bon Clay (Japanese version)

Successfully complete Event Battle with Chopper to unlock Bon Clay.

Sanji's third costume

At the "Press Start" screen, hold L, then press Up, A, Down, A, B, A, X to unlock Sanji's third costume. In the Japanese version, hold L, then press Up, Down, A, B, A, X at the "Press Start" screen.

Robin's third costume (Japanese version)

At the "Press Start" screen, hold L, then press Down, Right, A, B, A(2) to unlock Robin's third costume.

Play as Aokiji (Japanese version)

Successfully complete 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. In the final stage you will battle Aokiji. To unlock Aokiji, you must use your level 2 special.

Unlock Maxim Stage

Clear Event Battle with 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.

New Title Screen

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

Play as Crocodile

Unlock characters one through fifteen. Then, successfully complete Story mode on all four difficulty settings with all those characters. Then, successfully complete Story mode with Luffy on the very hard difficulty setting. When facing Crocodile, defeat him with a Secret attack to unlock him in Story mode. Successfully complete Story mode with Crocodile to unlock him in all other modes. In the Japanese version, successfully complete Event Battle with Robin.

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.

Usopp's fourth costume

At the "Press Start" screen, hold R, then press Right, X, Right, X, A, Y, B, X to unlock Usopp's fourth costume.

Zolo's fourth costume

At the "Press Start" screen, hold R, then press Down, X, Down, X, B, A(2), Y to unlock Zolo's fourth costume.

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.

Nami's fourth costume

At the "Press Start" screen, hold R, then press Left, X, Left, X, Y(2), B, Down to unlock Nami's fourth costume.