Project: Mortuus Astrum Playable Teaser — Steam game overview

Stored observation / content update: 2026-10-26T03:06:59.000Z

A first-person cosmic horror short experience set in a hallway-style map, where you uncover the secrets of an abandoned facility while being stalked by a mysterious entity

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

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