Security 51

Security 51

You're a security officer deep within Area 51. Scan the staff, verify clearances, and decide who can enter the elevator and who absolutely mustn't leave. The deeper you go, the less certain you are that anyone standing before you is still human.
  • iconSteam
  • iconRussia
  • iconKazakhstan
  • iconUkraine
  • iconCIS
  • iconBelarus
  • iconTurkey
  • iconArgentina
  • iconChina
  • Standard
Type
347 ₽385 ₽-10 %

Bundles

Security 51 + Soundtrack
Security 51 + Soundtrack
414 ₽
460 ₽-10%
Security 51 × The Cabin Factory
Security 51 × The Cabin Factory
429 ₽
464 ₽-7%
Security 51 × Wall World
Security 51 × Wall World
499 ₽
534 ₽-6%

DLC

Soundtrack
Soundtrack
The official soundtrack for Security 51.
129 ₽
144 ₽-10%

Media

Information

A "SIMPLE" JOB

Security 51 is an atmospheric horror security guard simulator inspired by Papers, Please, and SCP paranoia. You're on duty in the underground bunker of Area 51, where the most dangerous part begins at the elevator: the shaft descends for miles down to unknown levels. Whether it's laboratories, anomalies, inhumane experiments, or something alien—you're not supposed to know. Your task is simple: let in those who have access and stop those who don't... even if everything looks "right" on the surface.

SECURE, CONTAIN, PROTECT

Everyone who passes through your checkpoint carries papers, passes, or verbal orders. Your job is to check names, positions, clearance levels, and time, ensuring the number of people entering and leaving matches, and pay attention to any oddities. These could be incorrect answers, behavior that deviates from protocol, slurred speech, or even documents that seem too perfect. As time passes you'll catch yourself thinking that something's wrong more and more, and the only thing to rely on will be the protocols. But even they can be wrong.

TOTAL CONTROL

With experience, you'll gain increasingly more accurate methods of identity verification, such as fingerprint verification or blood testing. Did that janitor simply open the wrong door, or are they a spy for an enemy government? Or are they not even human? When in doubt, quarantine the suspect. Sometimes you'll make mistakes and lock up an ordinary employee, and sometimes you'll find a titanium cell ripped open from the inside. Some decisions will have immediate consequences, others only after several shifts.

CONTAIN THE THREAT

The consequences of every mistake go far beyond issues in the workplace. Let the wrong person out, and the infection will ravage the city. Isolate suspicious employees, investigate anomalies, and launch new operations to contain the threat before it's too late.

Remember, it's not just about who you let in, but who or what you let out into the world.

About Game

Release DateAugust 12, 2026
English
Interface
Audio
Subtitles
Russian
Interface
Audio
Subtitles
Platform
WindowsmacOS
Single-player
Steam Achievements
Steam Trading Cards
Steam Cloud
Family Sharing
Tags
Point & ClickChoices MatterInvestigationDetectiveReplay ValueMultiple EndingsLogicDifficultPixel Graphics2DMysteryAtmosphericSingleplayerPolitical Sim

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