Security 51 — patch notes and updates
Stored observation / content update:
Dated developer announcements recorded from Steam. Open the source for the complete update.
| Update | Date | Excerpt / source |
|---|---|---|
| Various Improvements Update & Points Shop Items | 2026-09-03 | 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 ChangesAdded 2 new story-related charactersAdded helpful tooltips and guidance notes to the Isolation Ward and City Operations screens to clarify how these core mechanics functionAdded randomized event generation when restarting/replaying a day in Endless Mode, ensuring daily shifts stay dynamic instead of repeating the exact same eventsFixed various minor technical issuesPoints Shop ItemsPoints Shop Items are now liv |
| Endless Mode Update Out Now! | 2026-08-27 | 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 the latest version. List Of Changes Added Endless Mode, allowing you to continue playing through an unlimited number of shifts until you lose all sanity or hunger. Added Difficulty Settings, available when starting a new game: Easy removes the shift timer, allowing you to play at your own pace.Medium matches the game’s current difficulty and keeps the standard shift |
| Steam Deck Verified! | 2026-08-21 | 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 park. No rest for the loyal member of the security team, right? Check in your Deck on your desk and get to work, agents: |
| Major Update | 2026-08-20 | 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 to use more specific terms such as "beetle," "spider," and "bedbug" instead of broad categories like "insects," making it clearer which words players should look for. Added full mouse-only control support, allowing you to skip dialogue with mouse clicks so the entire game can be played using only a mouse. Please note that keyboard support is still in-game with no extr |
| Future Plans | 2026-08-15 | 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 of you enjoy the atmosphere and concept of Security 51, several mechanics, clarity issues, and balance friction have caused frustration. We hear you loud and clear. We want Security 51 to be the best experience possible, and we’re already working hard to address the main pain points you’ve highlighted. What We’re Working On Next Adding an option to skip the tutorial o |
| Day One Update | 2026-08-13 | 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 reports and feedback that come through and understand that some of the in-game mechanics may not be always clear and cause frustration with its rules complexity. Improvements Added the ability to skip spec-ops team Extermination and Isolation animations in the elevator! Added additional explanation notes to the Isolation Ward and City Operations screens to make improtan |
| Security 51 is LIVE NOW! | 2026-08-12 | 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. Extended storylines - build your career while facing all kinds of end-of-the-world scenarios unfold. More secrets below - carry out your duty on the lower levels of Area 51, where things get \. Overall content expansion - face new visitors, new anomalies, and plenty of new problems. We can’t wait for you to discover everything Security 51 has to offer, including █████, |
| Launch Times & Prices | 2026-08-07 | 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 started!And there’s one more thing we have to celebrate: Security 51 has now reached 135,000 wishlists on Steam!Seeing so many of you waiting to step into Area 51 means a lot to us, and we're incredibly excited that the wait is almost over. Thank you for sticking with us — we can't wait for you to finally play the full game on August 12!🗺️ When does Security 51 release?💵 H |
| Win Security 51 in a Discord Giveaway! | 2026-08-04 | 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 our Discord to enter and learn more: discord.gg/alawar Stand by! Security 51 is coming out soon: https://store.steampowered.com/app/4246860/Security_51/ |
| Release Date Update & Demo Results | 2026-07-21 | 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 Security 51 in the form we want to share with you. We apologize for the delay and truly appreciate your patience and support as we work to make the game the best it can be. Demo results In the meantime, the demo is closed so we can fully focus on the full game release. We’re happy to report superior performance of agents on the demo version: 37,752 unique players. Full per |
| Security 51 Launches on July 27 | 2026-06-26 | 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 begins on July 27.The city remains infected. New anomalies continue to appear... The laboratories are hiding more secrets than you’ve seen during the demo. There is still much work to be done, and we’re going to need every capable agent we can get.The full version will expand your responsibilities with entirely new mechanics, including blood sample analysis and microscopic e |
| Demo Update | 2026-06-16 | 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.0.0.1.105)List of Changes:Increased the duration of work shifts, giving you more time to inspect visitors and verify documentationAdded a “Start Day” button. The shift will now begin only when you’re ready, allowing you to review instructions beforehandAdded a hotkey (Shift key) for instantly switching between your desk and the visitor viewAdjusted document validation procedu |
| Steam Next Fest is live! | 2026-06-15 | 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 |
| Security 51 Demo is Live | 2026-06-11 | 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 directly on player feedback from the playtest. What’s new in the demo: A dynamic time-of-day system A visible infection system. You’ll be able to monitor how far the contamination has spread across the city at the start of each day, or keep an eye on it through the bunker periscope whenever you want A completely reworked shift structure. Every shift now has its own dur |
| Playtest Results | 2026-06-04 | 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 Security 51 reached 22,000 wishlists. That's more than a security team: that's a whole Area 51 staff in numbers, all thanks to you! We are extremely grateful for your warm reception and a huge amount of feedback. A lot of improvements were already made thanks to you, and there's more to come! Now that this playtest has wrapped up, a lot of work is yet to be done. Secu |
| Playtest Hotfix | 2026-05-28 | 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 generation system has been completely reworked. Instructions will no longer cause contradictions. The camera mechanics have been simplified. The camera tutorial has also been updated to reflect the new mechanics. Story dialogues no longer advance automatically and are now advanced by pressing Space. Changes to the balance and difficulty of identifying visitors. Reworked the b |
| Join the Playtest | 2026-05-21 | 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. It is above your pay grade to know if the person is a human – just check the IDs, punch the pass, and don't think about it. After all, you didn't see anything, right? Start your Playtest shift The open playtest is available on Steam, and you can jump in right away. Remember, the security of Area 51 depends on you: Follow the protocol – verify papers, take photos of |