One Room Nightmare
Developed by RenKon · Published by RenKon
At a glance
Overview
An indie, simulation, strategy game by RenKon, published by RenKon — single-player.
Steam’s own one-line description: “Turn-based strategy horror. Terror in a confined space. Manage your limited power and time to protect yourself from the oncoming enemies and survive until dawn.” — developer/publisher text via the Steam store page.
Reception & community
Review sentiment, ownership and peak-concurrent estimates via SteamSpy; tags are player-voted on Steam. Estimates change over time.
Features & modes
Derived from the gameplay modes and feature categories Steam lists for One Room Nightmare.
| Feature | Supported |
|---|---|
| Single-player | Yes |
| Multiplayer | No |
| Co-op | No |
| Online co-op | No |
| PvP | No |
| Cross-platform multiplayer | No |
| Full controller support | No |
| Partial controller support | No |
| Steam Cloud saves | No |
| Steam Achievements | Yes |
System requirements (PC)
As published on the Steam store page. Requirements can change between updates.
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
Supported languages (2)
One Room Nightmare FAQ
Answered from the official Steam listing as of June 2026. Where something hasn't been announced, we say so rather than guess.
What kind of game is One Room Nightmare?
Steam classifies One Room Nightmare as a Indie, Simulation, Strategy, Free To Play game, developed by RenKon. Turn-based strategy horror. Terror in a confined space. Manage your limited power and time to protect yourself from the oncoming enemies and survive until dawn.
Is One Room Nightmare free to play?
Yes — Steam lists One Room Nightmare as Free to Play.
Is One Room Nightmare single-player or multiplayer?
Steam lists these modes for One Room Nightmare: Single-player. It lists a single-player mode.
Is One Room Nightmare on PlayStation, Xbox, or Switch?
Our data comes from the Steam (PC) store, which lists One Room Nightmare for Windows. Console availability isn’t in our Steam-sourced data — check the official site or the console store.
Is One Room Nightmare out yet?
Yes — Steam lists a release date of Jun 7, 2024.
What platforms is One Room Nightmare on?
One Room Nightmare is listed for Windows on the Steam (PC) store. Console availability isn't covered by Steam's PC store data — check the official channels.
Is One Room Nightmare single-player or multiplayer?
Steam lists these modes: Single-player.
How much does One Room Nightmare cost?
It's free to play, per Steam.
Does One Room Nightmare have achievements?
Yes — Steam lists 7 achievements for One Room Nightmare.
Who made One Room Nightmare?
One Room Nightmare is developed by RenKon and published by RenKon.
Where to get One Room Nightmare
We don't sell games or track prices — this links to the official Steam store page.
View on Steam →Listing details from Valve's public Steam store data. Not affiliated with Valve/Steam, RenKon.