Adventure action roguelike with a third-person view based on the comic book series of the same name. Hellboy and agents from the Bureau of Paranormal Research and Defense (B.P.R.D.) must find his missing colleague and uncover the secrets of a mystical mansion. During the investigation, the hero explores the amazing and strange corridors of otherworldly space — Wyrd, which has become a haven for powerful monsters. In battles with them, players can use both melee and firearms.