Single-player
Adventure
Indie
Simulation
Steam Achievements
Full controller support
Steam Trading Cards
Steam Cloud
Family Sharing
2026
Download Not Available
Steam Store
Security 51
File Size: 503 MB
Rating: 68% (Mixed)
Added Date: Aug 16, 2026
Downloads: 0
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.
Pre-installed Notice
This game is already pre-installed for you, meaning you do not need to run any setups or installer files. Simply extract the folder, double-click the game executable as Administrator, and play instantly!
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About The Game
A "SIMPLE" JOBSecurity 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, PROTECTEveryone 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 CONTROLWith 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 THREATThe 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.
SECURE, CONTAIN, PROTECTEveryone 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 CONTROLWith 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 THREATThe 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.
How to Install
1. Download the game using any of the mirrors above.
2. Extract the archive using WinRAR or 7-Zip.
3. Turn off your antivirus or add the extracted folder to exclusions (to prevent crack files deletion).
4. Run the game .exe file as administrator.
5. Play!
2. Extract the archive using WinRAR or 7-Zip.
3. Turn off your antivirus or add the extracted folder to exclusions (to prevent crack files deletion).
4. Run the game .exe file as administrator.
5. Play!
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System Requirements
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OS: Windows 10 64 bit
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Processor: Intel Core i5-6400 or analog
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Memory: 8 GB RAM
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Graphics: AMD Radeon RX 550 or NVIDIA GeForce GTX 960
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Storage: 2 GB available space
Game Info
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Genre: Steam Achievements, Full controller support, Steam Trading Cards, Steam Cloud, Family Sharing
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Developer: Alawar
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Platform: PC
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Game Size: 503 MB
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Released By: Alawar
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Version: Build 24711742
- Pre-Installed Game No Setup Needed