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One Piece: Treasure Battle! cover art
Cover art © its respective author, publisher, and studio. Not an original work of Daddy Jim Headquarters. Displayed for editorial commentary and review purposes.

One Piece: Treasure Battle!

Game

The first fully 3D One Piece game and its first on a sixth-generation console, this GameCube party fighter pits two-member Straw Hat teams against rivals across capture-the-flag treasure hunts and a spread of competitive minigames.

Genre: Party and fighting game
Developer: BEC
Publisher: Bandai
Release Year: 2002
Japan Release Date: 2002-11-01
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Story and Setting

Rocky Hattari, a reporter for the Blueberry Times and a devoted admirer of pirates, resents how the Marines control coverage of the seas. To tell the pirates' side, he stages a grand competition called the Treasure Battle somewhere in the Grand Line. Fighters form two-member teams drawn from the Straw Hats along with Vivi and Ace, all chasing wish-granting Treasure Cards.
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Gameplay

The signature mode plays like capture the flag: teams seize a treasure chest, haul it into a ring, and hold it until their ship arrives. Around that core sit several other contests, including team brawls, an endurance survival mode, a chest-passing relay, a cross-country race, a soccer variant that uses attacks to move the ball, and a hidden-item hunt. Matches favor accessible 2v2 action pitched at fans of the series.
Waifu ArtworkSee the gallery
Boa Hancock from One Piece smiles over her shoulder in an art gallery, wearing a cream bow blouse, a green pleated skirt, and gold snake earrings.
Boa Hancock
Nami from One Piece smiles brightly while standing on a sunlit wooden pier in a blue one-piece swimsuit against a backdrop of a sparkling ocean.
Nami
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Development and Release

BEC developed the game and Bandai published it for the Nintendo GameCube, launching in Japan on November 1, 2002. It stands as the first One Piece game on a sixth-generation console and the first to move into full 3D, though it stayed a Japan exclusive.
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Sources & Information

Looking for more on One Piece: Treasure Battle!? The One Piece Wiki on Fandom has a dedicated page with community notes.

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This content is original writing by Daddy Jim Headquarters based on the One Piece anime series, manga, and official materials. Episode and chapter references are cited where applicable.

Character and scene imagery on this site is original artwork by Daddy Jim Headquarters, not screenshots or licensed imagery. Official cover art is used on three types of pages for editorial commentary:

  • Movie pages: theatrical posters and key visuals, credited to Toei Animation and Toei Company.
  • Game pages: official box art for the One Piece console and mobile games, credited to Bandai Namco.
  • Manga chapter pages: Jump Comics volume covers, credited to Shueisha and Eiichiro Oda.

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