Unchained Blades, titled UnchainBlades ReXX (Japanese: アンチェインブレイズ レクス, Hepburn: AncheinBureizu Rekusu) in Japan, is a dungeon crawler role-playing video game developed by Japanese developer FuRyu for the Nintendo 3DS and PlayStation Portable video game consoles. It was released in Japan on July 14, 2011, and in North America exclusively as a digital download on June 26, 2012 for the PlayStation Portable, and on January 3, 2013 for the Nintendo 3DS.