Etrian Odyssey

Etrian Odyssey, released in Japan as Yggdrasil Labyrinth (世界樹の迷宮, Sekaiju no Meikyū), is a 3D turn based dungeon crawler role-playing video game by Atlus for the Nintendo DS. It was released on January 18, 2007 in Japan, May 15, 2007 in North America, and June 6, 2008 in Europe.