The official adaptation of the famous board game Mysterium!
Mysterium is a cooperative deduction game set in the 1920s in which a ghost guides a group of psychics to uncover a murderer, as well as the weapon and location of the murder, using only visual clues. Choose your way to play: take on the role of the ghost who gives others clues, or as one of the psychics trying to decipher the abstract "Vision Cards".
FEATURES
A Pass & Play mode
A faithful adaptation of the original game with gorgeous graphics
A game variant with or without clairvoyancy
Additional cases and dream cards from expansions in the in-game shop
A story mode to discover the background of each psychic
Solo play with AI partners
Multiplayer support up to 7 players using online (cross-platform: tablet / mobile / computer)
Worldwide Leaderboards
Languages available: English, French, Italian, German, Spanish, Russian, Ukrainian.
Login or register at the official Steam Website and download Steam client
Install and start application, login with your Account name and Password
Click the Games Menu.
Choose Activate a Product on Steam...
Follow the onscreen instructions to complete the process
After the successful code verification, go to the "MY GAMES" tab and start downloading.
News & Updates
2026-03-30
Join the Easter Raid Party and Win a Free Game
The Easter season is here and since we like this part of the year so much, we have made sure to have prepared a special YUPLAY promotional campaign for those of you that are ready to go into the Raid Party and grab a FREE gaming title. All you have to do is make an order above 20€ between 02.04.2026 15:00 CET and 08.04.2026 15:00 CET, and you will get a FREE game as ab Easter present from us…
Early Spring season has definitely delivered on some exciting updates, game announcements, and promising releases to be on the lookout for until the end of this year. So, let’s immediately have a better look at some of the more outstanding news that happened on the gaming scene during the month of March 2026 that we decided to cover for you…