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. In the final stage you will battle Aokiji. To unlock Aokiji you must use your level 2 special.
Arlong
Clear event battle with Nami.
Buggy
Clear event battle with Zoro.
Don Crick
Clear event battle with Sanji under the normal difficulty setting.
Foxy
Clear event battle with Chopper twice.
Krieg
Clear event battle with Sanji.
Kuro
Clear event battle with Usopp.
Shanks
Clear event battle with Luffy under the very hard difficulty setting after unlocking Aokiji and Enel.
Very hard mode
Clear hard mode in event battle with more than ten characters.
Alternate 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.
After unlocking the third Straw Hat costumes, complete Grand Battle thirty times or Event Battle six times, with each of the Straw Hat crew to unlock a fourth alternate costume.
Marine HQ stage
After unlocking everyone, 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
Clear event battle with Enel.
The "Fix" sign: 34 times
Play data
Clear Event battle under the very hard difficulty setting to view the stats for your battle.
Gallery
Clear Event battle to unlock that character's images in the gallery.
BMG select
Clear Event Mode with Mihawk under hard difficulty setting to unlock the "BMG Select" at the "Treasures" menu.