One Piece: Grand Battle Codes -

Mr. 2 Bon Clay:
First, unlock characters one through fourteen. Then, use Sanji in story mode at any difficulty level. Press and press (x2), , , , , , , , , , , , (x2), during the ending credits.

Mr. 0 Crocodile:
First, unlock characters one through fifteen. Then, select Ms. Sunday in story mode at any difficulty level. Hold and press , , , , , , , , , , , , , , , during the ending credits.

Chopper's third costume:
Hold or , then press , , , , , , at the "Press Start" screen. In the Japanese version, hold or , then press , , , , , at the "Press Start" screen.

Luffy's third costume:
Hold or , then press , , , , , (x2) at the "Press Start" screen. In the Japanese version, hold or , then press (x2), , , (x2) at the "Press Start" screen.

Nami's third costume:
Hold or , then press , , , , , , at the "Press Start" screen. In the Japanese version, hold or , then press (x2), , , , at the "Press Start" screen.

Robin's third costume:
In the Japanese version, hold or , then press , , , , (x2) at the "Press Start" screen.

Sanji's third costume:
Hold or , then press , , , , , , at the "Press Start" screen. In the Japanese version, hold or , then press , , , , , at the "Press Start" screen.

Usopp's third costume:
Hold or , then press , , , , , , at the "Press Start" screen. In the Japanese version, hold or , then press (x2), , , , at the "Press Start" screen.

Zoro's third costume:
Hold or , then press , , , , , , at the "Press Start" screen. In the Japanese version, hold or , then press (x2), , , , at the "Press Start" screen.

Chopper's fourth costume:
Hold , then press , , , , , , , at the "Press Start" screen.

Luffy's fourth costume:
Hold , then press , , , , , (x2), at the "Press Start" screen.

Nami's fourth costume:
Hold , then press , , , , (x2), , at the "Press Start" screen.

Sanji's fourth costume:
Hold , then press , , , , , , , at the "Press Start" screen.

Usopp's fourth costume:
Hold , then press , , , , , , , at the "Press Start" screen.

Zolo's fourth costume:
Hold , then press , , , , , (x2), at the "Press Start" screen.

Mr. 2 Bon Clay: Secret attacks:
Instead of holding and pressing + 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 , press (x4), .
Mr. 8: While holding , press (x3), .
Mr. 9: While holding , press (x2), .

Extra moves:
To get extra attack add-ons for Luffy's Gum Gum Scythe attack, when you use this attack you must have over four fruits. When you attack, after your opponent hits the wall press and you will hit your opponent in the air. Then, keep pressing . You will do another add-on. You will hit them in the air. Then, keep pressing . For the final attack add-on, you will hit them up again. Luffy will count down to "1" then he will yell and twist like a spiral, bounce , and smash your opponent through the roof of the building. If you KO your opponent while doing this trick you will see the building fall around Luffy and he will say, " I'm gonna be King of the Pirates!" and you will win. REMEMBER: This trick works well with over four fruits and if your opponent health is down slightly past halfway.

Special moves:
Every character has special moves. For the first, press + . For the second, hold and press + .