Release Date : August 12, 2026
Genre : Adventure, Simulation
Developer : Alawar
Publisher : Alawar
Release : Portable
Security 51 is a horror security simulator set inside an underground facility hidden beneath Area 51. You work as a security officer stationed at an elevator checkpoint, checking employees, scientists, and visitors before allowing them deeper into the facility. At first, the job seems straightforward. Check their names, positions, clearance levels, documents, and the time of entry. But small details start to feel wrong, and you eventually have to question whether the person standing in front of you is actually human.
As you gain experience, you’ll get access to better ways of checking identities, including fingerprint verification and blood tests. Some people may simply have made an innocent mistake, while others could be spies, infected, or something much stranger. You have to decide when to follow protocol, when to quarantine someone, and when something is suspicious enough to investigate further. Your decisions can have consequences several shifts later, and allowing the wrong person to leave the facility could turn a security mistake into a much larger disaster. Security 51 takes the familiar document-checking idea and gradually turns it into a tense mystery where you can never be completely sure who you’re dealing with.
Minimum System Requirements:
System: Windows 10 64 bit
Processor: Intel Core i5-6400 or analog
Memory: 8 GB RAM
Graphics: AMD Radeon RX 550 or NVIDIA GeForce GTX 960
Storage: 2 GB available space
Additional Notes: Stay Hydrated
RiPpcGames PRESENTS:
Security 51 (c) Alawar
Release Information:
Platform : Windows
Source : Digital
Version : 1.0.0.178 (Build 24687285) – [08/12/2026] Updated to 1.0.2.195 (Build 24838821) – [08/20/2026]
Patch Notes: https://steamdb.info/app/4246860/patchnotes/
Interface language : Russian, English, Chinese (simplified), French, German, Spanish – Spain, Chinese (traditional), Polish, Portuguese – Brazil, Japanese
Voice language : none
How to Download & Install:
- Click Security 51 free download button below.
- You will be redirected to Vidgazoo page wait for 5 seconds.
- Choose whether to copy link or click the button to start.
- Once the game is done downloading, locate the file/s or folder.
- Follow the step(s):
– Download to a convenient location (the main thing is that the path to the game folder does not contain Cyrillic characters)
– Launch the game from the Security51.exe file in the main game directory - That’s it, time to enjoy!
- If you like the game support the devs.
Please visit our FAQs Page for fast help and solutions if you encounter any problem.
Security 51 Free Download ⤸
Size: 2.14 GB
Security 51 (1.0.2.195) [Portable]