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Hollow Signal Games · 12 Dec 2025
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English, French, Japanese
Explore the decayed corridors of a haunted sanatorium, uncover disturbing documents, and face the paranormal horrors and restless spirits that linger within its walls.
In Silent Walls: Subject 13 is a first-person psychological horror narrative game. Twenty years after the disappearance of your sister Elina, you return to the abandoned Red Hollow Sanatorium to face the past and uncover the truth hidden within its silent walls.
Explore decayed corridors, discover disturbing documents and drawings, and slowly piece together the story . Every step brings you closer to the truth… and to madness.
Because within these walls, the past is not just a memory… it is waiting for you.
Features:
In Silent Walls: Subject 13 is an independent, family-driven project developed in France. More than just a game, it’s the realization of a childhood dream. Thank you to everyone supporting indie horror.
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