One Piece Gigant Battle 2 - Shin Sekai ROM Download for Nintendo DS (NDS). One Piece Gigant Battle 2 - Shin Sekai game is available to play online and download only on Roms Games. One Piece Gigant Battle 2 - Shin Sekai ROM for Nintendo DS download requires an emulator to play the game offline. This Game is English (USA) Version and is the highest quality available.