Etrian Odyssey Untold 2: The Fafnir Knight is a role-playing game for the Nintendo 3DS, released in 2014. It is a part of the Etrian Odyssey series, known for its challenging dungeons and map-drawing mechanics. Players traverse treacherous labyrinths with a custom party, engaging in turn-based combat and exploration. The game features a remade version of Etrian Odyssey II with improved graphics, a new storyline, voice acting, and an orchestral soundtrack, providing both a 'Classic' mode and a 'Story' mode for different gameplay experiences.