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DO NOT OPEN

Game overview

DO NOT OPEN

DO NOT OPEN is a terrifying short and paced first-person escape-room experience, based on randomness in puzzle combinations, and classic survival-horror mechanics. Each game will contain different rooms and puzzle combination, being different to solve.

Adventure Horror Survival Horror Action Psychological Horror
Last tracked players
0
All-time peak
1
24-hour change
Unavailable
Steam reviews
78.1% positive
32 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

About this game Read the full description
WARNING: This video game may cause seizures in people with photosensitive epilepsy. Caution is advised.

DO NOT OPEN is a terrifying short and fast paced first-person escape-room experience, based on randomness in puzzle combinations, and classic survival-horror mechanics.




Mike Goreng is trapped in a warped version of his own home. What's going on? Where are his wife and daughter? As a scientist, Mike can't come up with an explanation for what is happening, but his instinct tells him that he is in severe danger... and something evil lurks in the darkness.
Being in Mike's shoes, you will experience tense moments where your heart rate will accelerate. Meanwhile, the personification of guilt, which Mike feels for betraying his family, will try to trap you.
Will you be able to run away from it?





The story of DO NOT OPEN takes place in the grand Victorian mansion of Mike's aunt Judith Goreng who, after committing suicide, leaves the house to her nephew.

Remember to explore every corner of the mansion and discover all its details.





DO NOT OPEN is a challenging survival-horror classic with gameplay based on escape-room mechanics. Each time the player crosses a door of the Hall of the Victorian mansion Judith's Manor, he will enter a different layer of each area, and its puzzles and riddles combinations will change randomly so that each game is different from start to finish.



To unravel the terrible mystery of the manor, the player will find different newspaper clippings, diary pages or other items in each game, making the plot a puzzle in itself. But he must do it before time runs out, or he'd better hide from the terrible threat that stalks him.

Are you ready for the DO NOT OPEN challenge? HIDE, SOLVE or DIE!

Player activity

Concurrent players over the last 48 hours.

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System requirements Windows

Windows

Minimum

Minimum:
  • OS: Windows 10
  • Processor: Intel i5
  • Memory: 6 GB RAM
  • Graphics: NVIDIA GeForce GTX 970
  • DirectX: Version 11
  • Storage: 10 GB available space
  • Sound Card: Not essential

Recommended

Recommended:
  • OS: Windows 10
  • Processor: Intel i7
  • Memory: 16 GB RAM
  • Graphics: NVIDIA GeForce GTX 1060
  • DirectX: Version 11
  • Storage: 10 GB available space
  • Sound Card: Not essential
Game details Languages, features & support
Publisher
UNREALITY S.L.
USK rating
16
Brazilian rating
12
Steam Germany rating
16
Content warning
Disturbing scenes, blood, flesh and partial nudity
Achievements
16
Controller support
full
Features
Single-player, Full controller support, Family Sharing
Languages
English*, Spanish - Spain*, French, German, Portuguese - Portugal, Russian
*languages with full audio support
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: unknown
macOS: unknown
Linux: unknown
Steam Deck
unknown
Valve compatibility test
Input
Controller support: unknown
Structured language support (6)
LanguageInterfaceFull audioSubtitles
EnglishYesYesYes
Spanish - SpainYesYesYes
FrenchYesNoYes
GermanYesNoYes
Portuguese - PortugalYesNoYes
RussianYesNoYes
Steam store page fresh · checked 2026-09-29 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
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Game Insights

Buy Verdict

Watch — $24.99.

Decent deal at 0% off, but might drop further. Watch for better opportunities.

▲ ~13 days until next sale

Value Score

Fair Value — 100th percentile.

Price-to-player ratio ranks in the 100th percentile. Priced as Premium at $24.99.

▲ Premium pricing tier

Genre Benchmarks

Player Count Top 0%
Value Ratio Top 0%

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Developer Analytics

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Frequently Asked Questions

Is DO NOT OPEN worth buying right now?
Watch — $24.99. Decent deal at 0% off, but might drop further. Watch for better opportunities.
When does DO NOT OPEN go on sale?
Decent deal at 0% off, but might drop further. Watch for better opportunities.
Is DO NOT OPEN free to play?
DO NOT OPEN costs $24.99 on Steam.
What genre is DO NOT OPEN?
DO NOT OPEN is a Action, Adventure game.
Who developed DO NOT OPEN?
DO NOT OPEN was developed by NOX NOCTIS and published by UNREALITY S.L..
What platforms does DO NOT OPEN support?
Available on Steam for Windows.

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