Etrian Odyssey Skill Simulator A skill simulator for all EO games. Current Games Etrian Odyssey X Upcoming Games Etrian Odyssey I Etrian Odyssey II Etrian Odyssey III Etrian Odyssey IV Etrian Odyssey Untold Etrian Odyssey II Untold Etrian Mystery Dungeon Etrian Odyssey V Etrian Mystery Dungeon II