One Piece Shin Sekai 2013 MUGEN is a fighting game of 2013. This game was made by MDK team. One Piece Shin Sekai presenting characters in animated pirate "One Piece" are competed in an arena. The character in this game based on the episode "New World" are: Luffy, Zoro, Nami, Sanji, Ussop, Bartholomew Kuma, Dragon, Ace, Aikino, Aokiji, Smoker, Magellan, Blackbeard, Shanks, Mihawk, Gold Roger and Other.