Unlocking Strawhat Pirate's 3rd Costume
At the Start Screen, Hold L1 or L2 and input these codes:
Note: these codes also changes the person standing beside the game menu selection
| Code: | Result: |
| Left, Right X, Square, X, Triangle | Chopper's 3rd Costume |
| Up, Up, X, Square, X, X | Luffy's 3rd Costume |
| Left, Left, X, Square, X, Triangle | Nami's 3rd Costume |
| Down, Right, X, Square, X, X | Robin's 3rd Costume |
| Up, Down, X, Square, X, Circle | Sanji's 3rd Costume |
| Right, Right, X, Square, X, Triangle | Usopp's 3rd Costume |
| Down, Down, X, Square, X, Triangle | Zoro's 3rd Costume |
Unlocking Strawhat Pirate's 4th Costume
After unlocking the 3rd costume for the Strawhat Pirate, play Grand Battle 30 times or beat Event Battle 6 times with each one of the Strawhat crew to unlock their 4th costume *(1 Event Battle = 5 matches)
Note: It can even be a mix of 4 Event Battle and 10 Grand Battle or 2 Event Battle and 20 Grand Battle, as long as you've beaten the comp. 30 times
| Unlockable: | How to Unlock: |
| Chopper's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Luffy's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Nami's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Robin's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Sanji's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Usopp's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
| Zoro's 4th Costume | Play Grand Battle 30 times or beat Event Battle 6 times |
Davy Back Fight Minigame Unlockables
One Piece Grand Battle! Rush: Davy Back Fight Minigame Unlockables
| Unlockable: | How to Unlock: |
| Breaking Krieg's Armor | Win Davy Back Fight 29 times |
| Crash Rush Boxer | Win Davy Back Fight 18 times |
| Donut Race | Win Davy Back Fight 10 times |
| Groggy Ring | Win 3 events in Davy Back Fight and win 3 times Davy Back Fight. |
| Sanji & Zoro voice (Announcing) | Win 33 times + All support char's voices unlocked and play Davy Back Fight once more to Unlock |
| Snow | Win Davy Back Fight 26 times |
| The "Fix" sign | Win Davy Back Fight 34 times |
Unlockable Characters
One Piece Grand Battle! Rush: Unlockable Characters
| Unlockable: | How to Unlock: |
| Aokiji | Clear Event Battle with everyone, then play Event Battle again with Luffy and beat Aokiji with a level 2 special |
| Arlong | Clear Event Battle with Nami. |
| Bon Clay | Clear Event Battle with Chopper. |
| Buggy | Clear Event Battle with Zoro. |
| Crocodile | Clear Event Battle with Robin. |
| Don Krieg | Clear Event Battle with Sanji. |
| Enel | clearing event battle with Luffy's crew, a picture should flsh, go to Grand Tours and just play a regular tournament |
| Foxy | Clear Event Battle twice with Chopper. |
| Kuro | Clear Event Battle with Usopp. |
| 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. |
| Shanks | Clear Event Battle with Luffy on the Very Hard difficulty after unlocking all previous characters including Enel and Aokiji. |
| Smoker | Clear Event Battle with Luffy. |
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