One Room Nightmare is a Simulation, Strategy, Free to Play game from RenKon with a 84% positive Steam review signal. Indie Lantern indexes it for players browsing by dark, tense, psychological horror, turn-based.

Game snapshot
- Developer
- RenKon
- Release year
- 2024
- Playtime
- Varies by player
- Price
- Free
- Review signal
- 84% positive
Screenshots





System requirements
PC
- Minimum
- Requires a 64-bit processor and operating system
OS: Windows10/11
Storage: 500 MB available space - Recommended
- Requires a 64-bit processor and operating system
From Steam reviews
Review notes
One Room Nightmare is worth a closer look if you want management.
Best for players who want management.
management
Play styleThe game asks you to run, improve, or balance a system over time.
Why it fits
Check it if you want simulation, strategy filtered by dark, tense, psychological horror.
Who might skip it
Research further on Steam if you need verified accessibility details, exact playtime, or current system requirements.