- August 12, 2026
- Alawar
- 5h median play time
Security 51
Platforms
About Security 51
Security 51 is a single player casual simulation game with horror, mystery and science fiction themes. It was developed by Alawar and was released on August 12, 2026. It received mostly positive reviews from players.
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…











Games Like Security 51
Looking for games like Security 51? Here are top casual simulation recommendations with a horror, mystery and science fiction focus, selected from player-similarity data — start with Thank You For Your Application, Off Tape: Welcome or What Floor?.
Reviews
- Unique blend of Papers Please gameplay with SCP/Area 51 sci-fi horror theme and humor, offering a fresh and engaging experience.
- Nice pixel art style and animations that contribute to atmosphere and player enjoyment.
- Daily changing rules and mechanics add variety and maintain player interest, with an addictive gameplay loop and different endings offering replay value.
- Lack of a deep story, emotional engagement, and character development, resulting in a shallow narrative and low player investment.
- Gameplay can become repetitive and too easy, with insufficient challenge, bland progression, and mechanics that lack meaningful impact on outcomes.
- Some UI/UX issues including unclear or inconsistent instructions, tedious tutorials that repeat on replays, expensive but nearly useless upgrades, and occasional bugs or confusing mechanics.
gameplay
131 mentions Positive Neutral NegativeGameplay is heavily inspired by Papers, Please, offering a familiar document-checking loop with added mechanics like blood sampling and quarantine, though these new elements often feel shallow, poorly explained, and disconnected from the story. While some find the gameplay fun and addictive with a good variety of tasks, many criticize it for repetitiveness, lack of meaningful consequences, clunky controls, and a grind-heavy progression that lacks depth and polish. Overall, it’s an enjoyable time-killer for fans of the genre but falls short of its potential due to underdeveloped mechanics and a weak narrative integration.
“The pixel art, music and theme are great, and the gameplay loop is fun and addictive enough.”
“Although the ever-increasing load of responsibilities dumped onto our poor, hapless security guard protagonist may seem like a lot for some players, the game is careful not to overwhelm you with a myriad of mechanics all at once.”
“You have different mechanics in response to certain in-game events, for example, first you can cross the border with only your ID if you are from certain country, next you need a passport, but two days later there is an epidemic in another country so people from there need a medical certificate that is valid for a certain period of time, then afterwards, the game changes the mechanic putting two or more documents into only one, later on, you have contraband, terrorist threats and so on. My point is, there is a story, simple, not too elaborated, but feels natural, goes with the flow of the game, and the aesthetic and the atmosphere are just great.”
“The best part about Papers, Please was how every day had something interesting happen with a short but heavily branching storyline, and here it's just grind after grind, and a lot of the game mechanics don't seem to be really developed.”
“All criticisms in the negative reviews are valid: the game is short, the mechanics are too simple, no choices (or mistakes) matter, nothing is at stake, the dialogue is either non-existent or cringy, and the endgame is a hilariously lazy choice by the dev.”
“Now, on Security 51, you have none of that, it's just way too random. One day you must check internal organs, next day almost everybody gets a free pass. The idea of 'let everybody pass except...', 'ignore previous orders and call security if...' and 'ignore every order if...' are great ideas, but in this case it is just poorly implemented. What's going on the surface feels totally unrelated to the main story of your character, there is no correlation between the surface and the visitors you must check, some mechanics need improvement, the microscope thing is just way too tedious.”
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Play Times
Frequently Asked Questions
Security 51 is a casual simulation game with horror, mystery and science fiction themes. Common tags for Security 51 include politics, indie, trading, aliens, pixel graphics and others.
Security 51 is available on PC, Mac OS, Steam Deck and Windows.
On average players spend around 270 hours playing Security 51.
Security 51 was released on August 12, 2026.
Security 51 was developed by Alawar.
Security 51 has received mostly positive reviews from players. Most players liked Security 51 for its gameplay but disliked it for its grinding.
Security 51 is a single player game.
Similar games include Thank You For Your Application, Off Tape: Welcome, What Floor?, Majoris Nightmare, Do Not Feed the Monkeys and others.


















