From TV Animation - One Piece - Niji No Shima Densetsu ROM Download can be obtained free for WonderSwan on EmuGames.net only. Play emulator game in English for the USA region. From TV Animation One Piece Niji No Shima Densetsu is a WonderSwan ROM that you can download to your computer or play online within your browser. You can also download roms such as From TV Animation One Piece Grand Battle! 2 and From TV Animation One Piece Grand Battle! that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.