'GameSpy: One Piece: Grand Battle (GCN)'.
There are four different modes in the game: Grand Battle, a one-player/two player mode that features unlocked fighters and stages Story Mode, a mode that follows every character through the story Training, a testing mode to test one's skill and Tourney, a tournament mode that allows to select a character and fight in it and baseball mode. The story is based on the East Blue saga up to the Foxy's Return arc. Together with his crew namely, Roronoa Zoro, Nami, Usopp, Sanji, Chopper, and Nico Robin are on a quest to search for the great treasure One Piece and also to fulfill their own dreams.
Roger's place to become King of the Pirates. Much like the manga and anime it is based on, Monkey D.