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 In this digital version, you will find: • 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

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "MY GAMES" tab and start downloading.