One Piece: Grand Battle

One Piece: Grand Battle is a 2005 fighting game developed by Ganbarion for the Nintendo GameCube and PlayStation 2, based on the One Piece television series. Players choose from a roster of more than 17 characters, including protagonist Monkey D. Luffy, and compete across interactive environments drawn from the source material. The game offers six distinct modes supporting both single-player and two-player play. Progression rewards players with unlockable characters, alternate costumes, and minigames, while powerful items can be collected throughout matches. The game centers on the pursuit of the legendary treasure known as the "One Piece," reflecting the central premise of the anime series it adapts.