One Piece : Romance Dawn is game about Adventure Monkey D. Luffy and Friends. The gameplay style is similar to that of other RPGs. Players can use action commands during battle to make their attacks more powerful. It is also turn-based. It uses turn-based battles and action commands that help guide the player. The player commands the protagonist Luffy and other characters that are in his crew. The characters level up, and the player can strengthen attacks by obtaining points. All characters and enemies are from the One Piece series and play the same roles as seen in the source material. Cutscenes are told in a manga style.