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

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.

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.

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.

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.

Zolo'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.

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

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

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.

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.

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.

Alabastia stage
Successfully complete Story mode with Crocodile to unlock Alabastia stage.

Eden Rock stage
Break all pillars in Training mode with all characters. Then, successfully complete Training mode by clearing all moves on the move list for all characters to unlock the Eden Rock stage.

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.

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

Play as Arlong
Successfully complete Event Battle with Nami to unlock Arlong.

Play as Buggy
Successfully complete Event Battle with Zoro to unlock Buggy.

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 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. Note: You also need to have at least fifty hours of accumulated game play time at this point. 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.

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

Play as Krieg
Successfully complete Event Battle with Sanji to unlock Krieg.

Play as Kuro
Successfully complete Event Battle with Usopp to unlock Kuro.

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.

Play as Smoker
Successfully complete Event Battle with Luffy to unlock Smoker.

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.

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

Ending movies
Successfully complete Event Battle to unlock the ending movie at the "Theater" menu.

Gallery
Successfully complete Event Battle to unlock that character's images in the gallery.

Voice collection
Successfully complete Event Battle to unlock that character's voice collection at the "Treasures" menu. Each time you complete Usopp's Pirate Challenge by winning all three games, you will unlock a System Voice. For Zolo and Sanji, first win 33 UPCs and unlock all support chararacter voices. Then, play UPC one more time to unlock their voices.

BMG Select
Successfully complete Event Mode with Mihawk on the hard difficulty setting to unlock the "BMG Select" at the "Treasures" menu.

Extra System Voice
Win all three rounds of Usopp's Pirates' Challenge to unlock the announcer as a System Voice.

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

Alternate costumes for The Straw Hats
After unlocking Shanks and Mihawk, successfully 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. After unlocking the third Straw Hat costumes, successfully complete Grand Battle thirty times or Event Battle six times, with each of the Straw Hat crew to unlock a fourth alternate costume.

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