Negative Atmosphere: Emergency Room Prototype
Negative Atmosphere: Emergency Room Prototype - Steam Charts & Historical Stats
A free, first-person, short medical horror experience that is an early rendition of the prequel we envisioned for Negative Atmosphere. Explore historical player activity and pricing for Negative Atmosphere: Emergency Room Prototype. Player-count data was last observed Oct 3, 2026.
Negative Atmosphere: Emergency Room Prototype player count and price summary
- Current players
- Unavailable
- All-time peak
- 1
- 24-hour player change
- Unavailable
- Current US price
- Price unavailable
Player count last observed . Values marked unavailable are not estimated.
Media gallery 7 screenshots · 1 videos
Screenshots
Videos
AnnounceTrailer
All-Time Peak
Estimated Owners
Genre Benchmarks
Early Access Abandoned
Activity Heatmap
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Latest News
Patch Notes - ER_EA_1.3
📝 UpdatePatch Notes - ER_EA_1.2.1
📝 UpdatePatch Notes - ER_EA_1.2
📝 UpdatePatch Notes - ER_EA_1.1
📝 UpdateCan I Play This?
Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.
Structured language support (1)
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| English | Yes | Yes | Yes |
Third-party requirements shown by Steam
System Requirements
- OS: Windows 10, 64 bit
- Processor: Ryzen 3 3100 / Intel Core i3-10100 (4 Core/8 Thread CPU)
- Memory: 8 GB RAM
- Graphics: NVIDIA GTX 1660 / AMD RX 5500 XT 6GB
- DirectX: Version 12
- Storage: 3 GB available space
- Sound Card: DirectX Compatible Sound Card
- Additional Notes: 1080p (1920x1080) at 60 FPS.
- OS: Windows 10, 64 bit
- Processor: Ryzen 5 5500 / Intel Core i5-11400F (6 Core/12 Thread CPU)
- Memory: 8 GB RAM
- Graphics: NVIDIA RTX 2070 / AMD RX 5700 XT 8GB
- DirectX: Version 12
- Storage: 3 GB available space
- Sound Card: DirectX Compatible Sound Card
- Additional Notes: 1440p (2560x1440) at 60 FPS.
Additional Information
*languages with full audio support
Additional Information
Developer Analytics
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About This Game
A free, first-person, short medical horror experience that is an early rendition of the prequel we envisioned for Negative Atmosphere.
Detailed Description
Negative Atmosphere: Emergency Room Prototype is a free, first-person, short medical horror experience that is an early rendition of the prequel we envisioned for Negative Atmosphere. While no further updates are planned, it remains available as an archival piece.
In this prototype, you control the S.P.I.D.E.R. (Surgical, Procedure, Intervention, Diagnostic, Emergency, Response) robot aboard the TRH Rusanov. You’ll perform two distinct operations: an autopsy on a cadaver to gather evidence and a surgical procedure on a pineapple.
Guided by Medical Officer Samuel Edwards, you’ll gain an understanding of the core systems that have been substantially expanded.