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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.
What players say
Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.
“I usually don't recommend games until after my first playthrough or after it was obvious that they are trash, but in this case I'll make an exception because this game is rated only "Mostly Positive" because of some early negative reviews by people who blamed the game for their…”
— a player, Steam review · 5 hrs played“So, there are several negative rules claiming this game has bugs which trigger rule violations where none occurred. Do not believe those reviews, they are being posted by dum-dums who are not reading the instructions, not following the order of operations, and generally lack…”
— a player, Steam review · 5 hrs played“You're looking for Papers, Please. This is not Papers, Please. The reason you come into this game expecting Papers, Please is because all marketing implies a game like it; a spiritual sibling if not a spiritual successor. Sometimes, this works for lookalike games, like Not…”
— a player, Steam review · 13 hrs playedPlayer activity
Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.
Achievement stats
Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.
Price tracking
US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.
Regional prices at last sample, in local currency — Steam sets each region's price independently.
Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.
Latest official news
Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.
Various Improvements Update & Points Shop Items
Attention, agents! We've rolled out a new Security 51 update with 2 new story-related characters, several fixes, and QoL improvements. We're also excited to announce that Security 51 Points Shop items
Endless Mode Update Out Now!
Attention, agents! The Endless Mode update is finally here! This major patch brings the long-requested Endless Mode, new Difficulty Settings, a brand-new inspection mechanic, fresh story characters, a
Steam Deck Verified!
Great news, agents! Security 51 is now Steam Deck verified with a green checkmark. Device now fully supports the boots of Area 51 guard. Check in your Deck on your desk and get to work, agents:
Major Update
Attention, agents! We've rolled out another update covering many long-requested quality-of-life features, balance adjustments, and overall game flow improvements. Please make sure your game is updated
Future Plans
Attention, agents! First of all, thank you to everyone who joined us for the shift on launch day! Over the past few days, we’ve been closely reading all of your reviews, Steam discussions, bug report
Screenshots
Official Steam store screenshots — click any shot to enlarge.
Facts & details
From the Steam store record, snapshot 2026-09-25.
| Genres | Adventure, Indie, Simulation |
| Player tags | Simulation · Point & Click · Choices Matter · Puzzle · Horror · Investigation · Detective · Replay Value · Multiple Endings · Logic · Pixel Graphics · Difficult (Steam store community voting) |
| Features | Single-player · Steam Achievements · Full controller support · Steam Trading Cards · DualSense Controller Support · Steam Cloud · Family Sharing |
| Languages | English, Simplified Chinese, Russian, French, German, Spanish - Spain, Traditional Chinese, Polish, Portuguese - Brazil, Japanese |
| Controller | Full support |
| Achievements | 68 |
| Official site | https://alawar.com/games/security-51 |
Minimum system requirements (PC)
Minimum: OS: 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