Game
App 4246860
Security 51
Alawar · released Aug 12, 2026
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.
Price
$9.99
US store
Reviews
70%
517 · Mostly Positive
Playing now
9
sampled 17h ago
24h peak
9
all-time seen 13
Followers
—
Steam community hub
Owners (est.)
~15.5K
7.8K – 24.8K
YouTube activity
0
videos · 30 d27
creators705K
views · 1 yTwitch activity
1
avg viewers · 30 d75
hours watched · 30 d7
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 40,733,603
- Public build
- 25,104,142 · Sep 3, 2026 (2mo ago)
- Operating systems
- windows, macos
- Architecture
- —
- Install size
- 4.8 GB · 381 MB download
- Install folder
Security 51- Controller support
- Full
- Metacritic
- —
- Homepage
- alawar.com/games/security-51
- Release state
- released
- Community
- hub · stats
Steam Deck
VerifiedTested Aug 20, 2026 on build 24,711,742
- ✓Default controller config fully functional
- ✓Controller glyphs match deck device
- ✓Interface text is legible
- ✓Default configuration is performant
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 25,104,142 | Sep 3, 2026 · 2mo ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 25,104,142 | public | Sep 3, 2026 14:41 | 4d ago |
Depots · 2
content of the public branchLaunch options · 2
| Executable | OS | Description |
|---|---|---|
Security51.exe |
windows | |
Security51.app |
macos |
Languages · 10
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| French | ✓ | — | ✓ |
| German | ✓ | — | ✓ |
| Polish | ✓ | — | ✓ |
| English | ✓ | — | ✓ |
| Russian | ✓ | — | ✓ |
| Spanish | ✓ | — | ✓ |
| Japanese | ✓ | — | ✓ |
| Simplified Chinese | ✓ | — | ✓ |
| Traditional Chinese | ✓ | — | ✓ |
| Portuguese - Brazil | ✓ | — | ✓ |
Packages · 1
all packages| Sub | Name | Billing | Price |
|---|---|---|---|
| 1486601 | Security 51 | Store or CD key | $9.99 |
Bundles · 14
all bundles| Bundle | Games | Bundle discount | Price |
|---|---|---|---|
| Alawar Collection | 21 | -20% | $172.91 |
| Do Not Let Them In | 2 | -10% | $22.48 |
| Security 51 × Thank You For Your Application | 2 | -10% | $21.58 |
| Security 51 x Static Dread: The Submarine | 2 | -10% | $19.78 |
| Security 51 × The Cabin Factory | 2 | -10% | $11.68 |
| Quarantine Zone x Security 51 | 2 | -10% | $26.98 |
| Security 51 × Photomaly | 2 | -10% | $15.28 |
| Security 51 + Soundtrack | 1 | -15% | $11.03 |
| Security 51 × Conductor | 2 | -10% | $21.58 |
| Security 51 × Do Not Feed the Monkeys | 2 | -10% | $23.38 |
| Security 51 × The Last Gas Station | 2 | -10% | $21.58 |
| Security 51 × Wall World | 2 | -10% | $15.28 |
| Roadhouse Simulator x Security 51 | 2 | -10% | $23.38 |
| Airport Contraband x Security 51 | 2 | -10% | $25.18 |
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.