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.

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.