Play as Hatchan:
Successfully complete the game, then press [L], [R], [L], [R], [A], [B], [Start] during the credits.
A sound will confirm correct code entry.
Start a new game, then hold [R]+[L] to exchange Luffy with Hatchan.
Play as Hatchan:
Successfully complete the game, then press [L], [R], [L], [R], [A], [B], [Start] during the credits.
A sound will confirm correct code entry.
Start a new game, then hold [R]+[L] to exchange Luffy with Hatchan.