Security 51

Attention, agents! We've rolled out our first post-release update, focused on improving gameplay flow, adding several quality-of-life features, and fixing a number of issues. Please make sure your game is updated to the latest version. We w…

Attention, agents! The wait is finally over. Your desk awaits. Security 51 is out now! What’s new Grab your ID and get to work. The full game expands on all the features from the demo: More to inspect - brand-new blood sampling mechanics an…

Security officers,With only 5 days left until Security 51 launches, we’re making the final preparations for your first shift in Area 51. While we’re working on that, we also wanted to share the exact release time and let you know how much t…

Dear agents, To celebrate the upcoming release of Security 51, we’re giving away 20 copies of the game on our Discord server! 10 free-for-all winners will be chosen randomly on Tuesday, August 11, 2026, at 5:50 AM UTC. Extra 10 keys will be…

Dear agents, Thank you for your hard work during the demo! All the feedback you provided helped us improve the overall game experience. Security 51 official release date has been moved to August 12th.  We made this decision to give the game…

Dear agents,Thank you for your service during the playtest and the demo. Your probation period has been successfully completed.Your reports have been reviewed. Your observations have been filed.Today, we’re pleased to confirm that your empl…

Greetings, security officers.We’ve reviewed reports from recent shifts and made several adjustments to checkpoint procedures. Thank you for helping us identify inconsistencies in the facility’s operations. Please, make sure that you have th…

If you haven’t tried the Security 51 demo yet, now is the perfect time to start your shift.We’ve added lots of new content since the playtest, including reworked shifts, infection tracking, new events, and much more.Give the demo a try and …

Dear agents,  A few weeks ago, thousands of you joined the Security 51 playtest and stepped into your first shifts deep beneath Area 51. Since then, we’ve been carefully reviewing your reports, discussions and feedback. The demo includes nu…

Our first Security 51 playtest is over. Guarding the top-secret military object is no joke - and we thank you all for your hard work! Playtest stats: 7,000 unique players have joined the playtest. No blind spots in our security with an army…

We have released a playtest update that includes balance changes and fixes for critical bugs. Important: with this update, old saves may become corrupted, which will significantly affect gameplay. We recommend starting a new game after this…

Dear agents, Security 51 is a simulator of an Area 51 security officer. Guard the elevator decending from the surface into the endless depths of the underground laboratories. Only you decide who goes in and who gets to leave. Verify papers,…