Messa Anomaly — Steam game overview

Stored observation / content update: 2026-10-25T09:45:21.000Z

Messa Anomaly is a first-person psychological horror game set in an endlessly shifting museum. Observe each corridor, spot unsettling changes, and choose the correct path. One mistake can send you deeper into a night shift that refuses to end.

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

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