(known in Japan as One Piece: Dai Kaizoku Colosseum ) is a high-octane 2D fighting game developed by Arc System Works and published by Bandai Namco . Released in September 2016 exclusively for the Nintendo 3DS in Japan, the game brings the intense battles of the Straw Hat crew to life with the signature fluid animation style found in other Arc System Works hits like Guilty Gear and Dragon Ball Z: Extreme Butoden . Core Gameplay Mechanics