One Piece: Unlimited Cruise SP has both episodes of the Wii game plus a made-for-3DS Marineford mode. This extra episode follows Luffy and crew as they rescue Portags D. Ace. Shonen Jump announced Marco and Jozu are new playable characters for this arc.
This commercial has a glimpse of Marineford mode.
One Piece: Unlimited Cruise SP also has a boss rush mode to play after you clear the game. Luffy’s latest adventure arrives in stores on April 7.