One Piece: Romance Dawn (ワンピース ロマンスドーン 冒険の夜明け Wan Pīsu: Romansu Dōn - Bōken no Yoake, "One Piece: Romance Dawn - Dawn of the Adventure") is a role-playing video game based on the One Piece manga and anime series. The game covers the first half of the series from Luffy's early adventures in the East Blue to the battle at Marineford.
The game is an RPG; 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.
The game takes roughly 50 to 60 hours to complete.