 The game originally featured online competitive multiplayer where chosen teams of characters fight for their nation, but this ended when servers shut down in October 2013.Production began in 2009 following the release of ""; "Muramasa" publisher Marvelous wanted to work with Vanillaware on a PSP title.The game was directed by Tomohiko Deguchi, and "GrimGrimoire" artist Kouichi Maenou designed the characters.