Alterum — Steam game overview

Stored observation / content update: 2026-10-25T05:44:19.000Z

A multiplayer social deduction horror where spells are spoken aloud. One of you is altered. Cast magic with your voice, hunt the traitor, survive the ritual. Every word can save - or kill.

Game metrics below are stored observations; missing values are unknown.

Revenue is modelled, not confirmed sales. See the methodology and uncertainty range.