One Piece: Grand Adventure Cheats

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One Piece: Grand Adventure Unlockables

  • GameCube | Submitted by xdeidarax

    Arena Mode Unlockables

    To unlock hard mode beat normal mode

    To unlock hardest mode beat hard mode

    To get a characters voice get a ranking of 39 or lower (beat someone with a rank of 39 or lower)

    To get a characters pictures in the gallery, get a ranking of 29 or lower


  • PS2, GameCube | Submitted by Daniel Cool

    Unlock Sound Test

    Get all of the cards in the Arena and Grand Battle modes.


  • PS2, GameCube | Submitted by Daniel Cool

    Unlockable Characters

    Chaser - In Chaser's adventure mode, level him up until you have his secret attack to unlock him.
    Eneru - Recruit him in Crocodile's adventure mode, and win a battle with him.
    Kuina - Recruit her in Chaser's adventure mode, and level her up until you use her secret attack to unlock her.
    Mihawk - Recruit him in Chaser's (Smoker) adventure mode, and win a battle with him.
    Mr. 2 Bon Clay - Recruit him in Crocodile's adventure mode, and win a battle with him.
    Nico Robin - Recruit her in Luffy's adventure mode, and win a battle with her.
    Ohm - Recruit him in Crocodile's adventure mode and win a battle with him.
    Trace (Ace) - In Buggy's adventure mode, you can recruit him in Drum Island. Win a battle using him to unlock him.
    Shanks - Recruit him in Buggy's adventure mode, then win a battle using him
    Zeff - Level him up and unleash his secret attack in Chaser's adventure mode to unlock him.


  • GameCube | Submitted by Vgame Rooler

    Finding Skypiea

    When you go to Albasta you'll see a shipwreck - go there & fight Shanks, then go to the graveyard of ships fight Mihawk and win - he'll give you a compass that says Skypiea on it. Go to Jaya Island, then then go in the whirlpool - it will turn into a Waterspout & shoot you to Skypiea


One Piece: Grand Adventure Hints

  • GameCube | Submitted by Vgame rooler

    Unlock Shanks

    Buggy's Grand Adventure

    When you play as buggy in grand adventure go to the Shipwreck Graveyard - the second shipwreck on the left is Shanks! Defeat him and his crew of Lucky Roux, Beckmann, and Yassopp and you unlock Shanks for grand battle mode!


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