One Room Nightmare
70KS
Released Jun 7, 2024by RenKonVery Positive(81% of 102 Steam reviews)
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.
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About One Room Nightmare
Seek the right answer amidst time's pause.
You find yourself trapped in a room in an apartment.
This room is home to a variety of monsters that are lurking and waiting for you.
Turn on lights, open and close doors, hide in the shadows... You have many options.
Identify the characteristics of the approaching enemy, manage power and time, and act appropriately.
If you make the wrong choice, you will be...
■Features
1. Turn-based system
Time stands still and the enemy does not act until you do.
Think carefully about what you should do next.
2. Research system
Observe enemy behavior to gain experience points.
Use these points to unlock new information and learn countermeasures.
3. Resource Management
This room power is not infinite.
Keep an eye on your remaining power and avoid blackouts.
■Controls
Left click: Interact
Right click: Open notebook
Move cursor to the edge of the screen: Move viewpoint
You find yourself trapped in a room in an apartment.
This room is home to a variety of monsters that are lurking and waiting for you.
Turn on lights, open and close doors, hide in the shadows... You have many options.
Identify the characteristics of the approaching enemy, manage power and time, and act appropriately.
If you make the wrong choice, you will be...
■Features
1. Turn-based system
Time stands still and the enemy does not act until you do.
Think carefully about what you should do next.
2. Research system
Observe enemy behavior to gain experience points.
Use these points to unlock new information and learn countermeasures.
3. Resource Management
This room power is not infinite.
Keep an eye on your remaining power and avoid blackouts.
■Controls
Left click: Interact
Right click: Open notebook
Move cursor to the edge of the screen: Move viewpoint
Game details
Game details
Released
Developer
Publisher
Platforms
Steam Deck
Playable
Steam rating
Very Positive (81%)
Age ratings
IGRS 18DEJUS 14STEAM_GERMANY 16
Game modes
Features
One Room Nightmare player count & reviews
81% positive reviews all-time · 3 peak players in the last 30 days.
One Room Nightmare — frequently asked questions
How many people play One Room Nightmare?
One Room Nightmare peaked at 3 concurrent players on Steam in the last 30 days (highest on Jul 10, 2026). The player chart on this page updates daily.
How can I get One Room Nightmare at a discount?
Create a free price alert on this page and KingsPrice will email you when One Room Nightmare drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
Minimum:
- Requires a 64-bit processor and operating system
- OS: Windows10/11
- Storage: 500 MB available space
Recommended
Recommended:
- Requires a 64-bit processor and operating system
