mysterium hidden signs uitbreidingWelcome back to the castle! The haunted estate still holds some secrets In Hidden Signs, the first expansion for the cooperative board game Mysterium, you try to reconstruct the circumstances of the ghost's death. New elements have come to light in the investigation: 6 suspects, 6 locations and 6 objects. The spirit has 42 new vision cards to communicate even better with the mediums. Please note: you cannot play Mysterium Hidden Signs without the