One Piece: Gigant Battle!

One Piece: Gigant Battle is a fighting game by Jump Ultimate Stars developer Ganbarion, and as such has similar gameplay to JUS. The game features 17 playable characters with over 45 Support characters. The story takes place on the Sabaody Archipelago.

One Piece: Gigant Battle features 4 modes of play. The Great Pirate Grand Prix serves as the sort campaign mode and you progress by selecting various points on the map it's laid out on. Each stage has a level indicator to let the player know how strong the opponent they're about to face is beforehand. Here you'll earn money, level characters, progress the story, etc.. The Thousand Arena is the basic arena mode where you simply fight opponents. Network Play for both wireless and download multiplayer. And Training is where you'll go to practice you fighting skills.

In Pirate Team Edit, you can set up a team composed of your various favorite characters to pit against other players.