Developer posts and news about this game.
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 are finally available! List of Changes Added 2 new story-related characters Add
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, and several quality-of-life adjustments. Please make sure your game is updated to
Great news, agents! Security 51 is now Steam Deck verified with a green checkmark. Device now fully supports the boots of Area 51 guard. Leaving your desk is no excuse to skip the shift: check visitors on the couch, run X-Ray scans on the plane, and call security right in the par
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 to the latest version. Improvements Refined Rorschach Test instructions to use
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 forms, and Discord messages - both praise and criticism. We see that while many
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 want to point out that we read all the re
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 and UV lights to reveal hidden markings. E
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 the game will cost. So, let’s get starte
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 given away for Server Boosters. Join
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 some additional polish and release Secur
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 employment at Security 51 officially begi
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 the latest version of the game (v.0.0.1.1
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 let us know what you think View game p
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 numerous improvements and additions based d
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 this size! Median playtime: 36 minutes
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 update. Fixed : The instruction generat
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, passes, and constantly check the manual