Mysterium is a cooperative, deduction game that challenges two to seven players to solve a murder that occurred thirty years ago. One player takes on the role of a restless ghost, tasked with communicating the true culprit of the murder to the assembled psychics. The other players all play as psychics, receiving visions and interpreting them to the best of their abilities in order to narrow down the list of suspects. Yet time is in no one’s favor tonight—if the players take too long to discover the truth, the bridge between the worlds is closed, and the ghost must wait another year to reach its eternal rest!
A horrible crime has been committed on the grounds of Warwick Manor and it’s up to the psychic investigators to get to the bottom of it. In Mysterium, one player takes on the role of the ghost and over the course of a week, tries to lead the investigators to their culprit. Each night the team will be met with visions, but what is the ghost trying to tell you? Can the psychics determine the weapon, location and killer or will a violent criminal pull off the perfect murder?