Alterum

Social deduction horror game with voice recognition, full of betrayal and dark rituals. Awaken in a cult of restless souls: spells spoken aloud summon powers - or doom. Alliances or deceit: can you distinguish truth when a word is a curse?

At their next site, a group of brave explorers encounters something inexplicable: some of them are possessed by restless souls. Those who were recently loyal companions have become something "altered".