Prison of Nightmare — Steam game overview

Stored observation / content update: 2026-10-25T14:45:08.000Z

Prison of Nightmare is a first-person psychological horror game that immerses players in a haunting and oppressive atmosphere. The game revolves around an ancient dark entity, a malevolent spirit that invades the protagonist's dreams, aiming to terrorize and eventually capture their soul.

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

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