In Silent Walls : Sujet 13
Explore the decayed corridors of a haunted sanatorium, uncover disturbing documents, and face the paranormal horrors and restless spirits that linger within its walls.
Last Updated: 1/27/2026
| Steam Price | $4.79 |
| Release Date | 12/12/2025 |
| Developer | Hollow Signal Games |
| Publisher | Hollow Signal Games |
| Steam App Id | 3981010 |
In Silent Walls : Sujet 13
Explore the decayed corridors of a haunted sanatorium, uncover disturbing documents, and face the paranormal horrors and restless spirits that linger within its walls.
Last Updated: 1/27/2026
- Windows
- Mac
- Linux
About In Silent Walls : Sujet 13
In Silent Walls : Sujet 13 is an Indie, and Adventure game developed by Hollow Signal Games. On 12/12/2025, it was released on the Steam Store by Hollow Signal Games.
It can be played and ran on Windows systems. At the moment, there is no confirmed information regarding Steam Deck support for this game.
According to Steam’s category system, In Silent Walls : Sujet 13 supports the following features:
- Playable without Timed Input
- Steam Achievements
- Family Sharing
- Single-player
From the Steam community, In Silent Walls : Sujet 13 has been tagged with the following user tags:
- Supernatural
- Psychological
- Atmospheric
- Dark
- Story Rich
- 3D
- Walking Simulator
- Realistic
- Narration
- First-Person
- Psychological Horror
- Linear
- Mystery
- Horror
- Hidden Object
- Indie
- Thriller
- Adventure
- Singleplayer
- Exploration
Media & Sceenshots
Watch the featured video for In Silent Walls : Sujet 13 and see the latest screenshots from the Steam Store.
Related Packages
In Silent Walls : Sujet 13 is referenced by 1 package in the Steam Store. A package (or sub) is simply an item that can be purchased on Steam.
| Name | Price | Actions |
|---|---|---|
| In Silent Walls : Sujet 13 | $5.39 | View |
Supported Languages and Localizations
In Silent Walls : Sujet 13 is available in 3 different languages with varying levels of support for the in-game interface, audio, and fully translated subtitles.
| Name | Interface | Audio | Subtitles |
|---|---|---|---|
| English | Yes | No | Yes |
| French | Yes | Yes | Yes |
| Japanese | Yes | No | Yes |
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Features & Categories
Frequently Asked Questions
Soures & References
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In Silent Walls : Sujet 13 data has been sourced from:
- Valve Corporation. (2026, January 27). In Silent Walls : Sujet 13 on Steam. Steam Store.
- Valve Corporation. (2026, January 27). In Silent Walls : Sujet 13. Steam Community Hub.
- Hollow Signal Games. (2025, September 3). In Silent Walls : Sujet 13. In Silent Walls : Sujet 13.