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Security 51 needs at least AMD Radeon RX 550 or NVIDIA GeForce GTX 960 and 8 GB RAM.
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.
Game modes: Single player
Right now the lowest price for Security 51 we're tracking is $6.05 at Kinguin — 39% below Steam's $9.99. We compare 8 stores and prices refresh every few minutes.
The lowest price we've recorded for Security 51 is $5.11 at Gamivo on August 29, 2026. The current best price is about 18% above that low.
The minimum system requirements for Security 51 are — OS: Windows 10 64 bit; CPU: Intel Core i5-6400 or analog; GPU: AMD Radeon RX 550 or NVIDIA GeForce GTX 960; RAM: 8 GB RAM; Storage: 2 GB available space. See the full minimum and recommended specs in the system requirements section on this page.
Security 51 released on August 12, 2026, developed by Alawar and published by Alawar.
Security 51 is available on PC (Microsoft Windows), Mac. It supports single player.
Security 51 last hit a new low of $5.11 on August 29, 2026 at Gamivo. Current best price is $6.05. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Security 51 price right now is $6.05 at Kinguin, 39% below the Steam price.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 KinguinBest price | — | $6.05 | Buy Security 51 at Kinguin |
 Gamivo | — | $6.08 | Buy Security 51 at Gamivo |
 YuPlay | -46% | $6.26 | Buy Security 51 at YuPlay |
 Instant Gaming | -30% | $8.07 | Buy Security 51 at Instant Gaming |
 Steam | — | $9.99 | Buy Security 51 at Steam |
 Green Man Gaming | — | $9.99 | Buy Security 51 at Green Man Gaming |
All-time low: $5.11 at Gamivo on Aug 29, 2026 — the current best price is 18% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
