Security 51 Steam: Release Date, Price, Reviews & Updates

Security 51 Steam status

Security 51 is released on Steam. The official Steam page lists the game as released on August 12, 2026, with Alawar as both developer and publisher.

Use the official Security 51 Steam page for current price, review count, supported languages, and bundle changes. Steam data can change daily, so this page avoids freezing a launch-discount snippet as if it were still active.

What you do in Security 51

Security 51 is an atmospheric inspection simulator set at an Area 51 elevator checkpoint. You scan staff, verify clearances, compare names and positions, watch for behavior that breaks protocol, and decide who can enter or leave the facility.

The official Alawar page and Steam page describe the same core loop: papers and passes start the check, but later tools such as fingerprint verification and blood testing make identity checks more invasive. Mistakes can have immediate consequences or return several shifts later.

Steam update freshness

The August 27, 2026 Steam update added Endless Mode, Difficulty Settings, persistent tool upgrade progression, the third-floor Fingerprint Scanner mechanic, new story characters, desk notes, and several quality-of-life changes.

Existing saves remain on Medium difficulty according to the update notes, so start a new game if you want to choose Easy or Hard from the beginning.

The September 3, 2026 update added two story-related characters, new guidance/tooltips for the Isolation Ward and City Operations screens, randomized event generation when replaying days in Endless Mode, technical fixes, and Steam Points Shop support. Treat those notes as current-version context rather than new ending conditions.

System requirements

FAQ

Is Security 51 released on Steam?

Yes. Steam lists Security 51 as released on August 12, 2026.

Who made Security 51?

Alawar is listed as both developer and publisher on Steam and on Alawar's official game page.

Does Security 51 have Endless Mode on Steam?

Yes. The August 27, 2026 Steam update added Endless Mode. See the Endless Mode guide for the mode-specific rules.

Is Security 51 on Epic too?

Yes, Epic has a Security 51 store listing for Windows. This Steam page focuses on the confirmed Steam release facts and should not be used to imply that Steam was the only PC storefront.