One Piece: Grand Battle 3 is a 3D versus fighting game based on the One Piece anime and manga series and is the sequel to One Piece: Grand Battle! 2 . The game features sixteen playable characters from the series up to the Sky Island Arc. Each fighter can run, jump, and have their own unique fighting techniques including special attacks.
The game's arenas are filled with items such as barrels and chests that contain power-ups like health restorations, increased speed, or attack boosts. These items can be used by players to gain an advantage in battle. The sixteen playable characters include Monkey D. Luffy, Roronoa Zoro, Nami, Usopp, Sanji, Chopper, Nico Robin, Smoker, Mr. 2 Bon Kurei, Crocodile, Wiper, Ohm, Enel, Hina, Portgas D. Ace, and Shanks.
The game offers four different modes: Grand Battle, Event Battle, Grand Tours, and a Training mode. Players can choose to engage in single-player battles or team up with friends for multiplayer action.