is an action-adventure hack and slash shooter video game by Tomonobu Itagaki's Valhalla Game Studios, developed for Wii U and Microsoft Windows, with the latter version being an online multiplayer-only title. The Wii U version was released in Japan on August 4, 2015, Europe on August 28, 2015, Australia on August 29, 2015 and in North America on December 11, 2015.