It is a sequel to the previous entry to this series , Etrian Mystery Dungeon .
Etrian Mystery Dungeon 2 is a spin - off of the Etrian Odyssey series , and cross over of Mystery Dungeon and Etrian Odyssey series .
Etrian Odyssey is a Etrian to the previous entry to this series , Etrian     .
Etrian Mystery Dungeon 2 is a spin - off of the Etrian Odyssey series , and cross over of Mystery Dungeon and Etrian Odyssey series .