Security 51 overview

Overview

Security 51 comes from Alawar and is published by Alawar. It arrived on Steam on Aug 12, 2026, and it sits naturally among Single-player, Steam Achievements, Full controller support, Steam Trading Cards, DualSense Controller Support, Steam Cloud, and Family Sharing. SteamPulse tracks it across Windows, macOS, and Steam so readers get a quick useful snapshot, not just a wall of numbers.

Players and reviews

Security 51's latest SteamPulse observation recorded 43 players at 13 September 2026 - 05:23:27 UTC, with a tracked peak near 671. This peak is the highest value in the available SteamPulse record and may not include activity before tracking began. Player reaction is 0% positive across 0 reviews.

Language and system requirements

Security 51 is available in 10 languages including:

3 regional rating boards including dejus, steam germany, and igrs

Sales, recommendations, and streams

Security 51 has sold up to 13,181 units and has 439 Steam recommendations. The estimated VGI revenue is $94,797. On Twitch, 3 streamers are live with around 60 total watchers.

Security 51 overview details

Security 51 combines live player counts with reviews, pricing, platform support, Store metadata, dated player history, media, recent news, and related games.

Steam Store description

A "SIMPLE" JOB Security 51 is an atmospheric 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 and passes. 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. 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 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. Iso…

SteamPulse editorial summary

Security 51 is listed as a game with $9.99. It supports Windows and macOS, belongs to Single-player, Steam Achievements, Full controller support, Steam Trading Cards, DualSense Controller Support, Steam Cloud, and Family Sharing, and is associated with Adventure and Simulation. SteamPulse's latest observation records 43 players at 13 September 2026 - 05:23:27 UTC, a tracked peak of 671, and review score data when available.

Content descriptors

The player takes the role of a security officer working in a high-security research facility. As part of the inspection process, employees and scientists must be examined for anomalies and physical inconsistencies. Some inspections involve using a body scanner that can reveal partial nudity beneath clothing. These scenes are presented solely as part of the gameplay mechanics and are not intended to be sexual or erotic in nature.

Highlighted achievements

Support and legal notes

Real questions answered from SteamPulse data, including live players, monthly momentum, review sentiment, regional audience signals, Twitch activity, and current Steam pricing.