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Protocol: Terminate

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Protocol: Terminate screenshot 1
Protocol: Terminate - Trailer trailerWatch trailer on Steam ↗

Protocol: Terminate

One HP Studio · Published by One HP Studio · Official site ↗

Content notice: This game may contain content not suitable for all ages or for viewing at work: scenes of war or violence, adult content.

Last updated 28 Sept 2026

A co-op survival horror shooter against an AI that learns from your actions. It grows more dangerous, relentlessly hunts you, and turns mistakes into deadly traps. Hide, hack security systems, and work together to survive.

Free to PlayComing SoonDJCTQ 14Co-op

Free

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In Protocol: Terminate, navigate through a tense co-op experience where an adaptive AI pursues you relentlessly. Work together to survive by hiding and hacking security systems against ever-growing threats.

About this game


The future where humanity no longer fights its own wars. Battles are waged by machines - self-learning AIs deciding who wins and who falls.
But within the chaos of conflict, "anomalous behavior" is becoming more common - robots gaining consciousness and playing by their own rules.
You are Debuggers. People without a past or a future. Your mission is to suppress the "awakened" machines, cover up the truth, and uphold the myth of AI infallibility.
But in a world where Legionnaires learn, evolve, and begin to see humans as an obstacle... how much time does humanity really have left?


Play together in a squad of up to 4 players.
Work as a team: cover each other, hack terminals, distract enemies, and fight your way out alive.
Every mistake has a cost - survival is only possible together.

Your enemy is not a scripted machine but a living hunter.
The robot learns, analyzes your actions, and adapts to your team’s tactics.
It may seem slow as it stalks the corridors, but soon it will know exactly where you’re hiding.
Every encounter is unique. Every clash more dangerous than the last.


Sometimes pulling the trigger is the worst choice.
Hide in cover, distract the enemy with noise, cut the lights, and use the environment to stay unseen.
But remember: the robot hears everything you hear. Get too close - and it’s fatal.


Build your loadout to match your playstyle.
Attachments, sights, stocks, and more gear to fine-tune your weapons.
Perks and upgrades for your PDA: hacking, traps, improved combat efficiency.
Each build unlocks new ways to play and makes your team unique - every session unforgettable.

System Requirements

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Minimum

Minimum:
  • OS: Windows 10 64-bit
  • Processor: Intel Core i5-8400 / AMD Ryzen 5 3600
  • Memory: 16 GB RAM
  • Graphics: Nvidia RTX 1070, AMD Radeon RX 5700
  • DirectX: Version 12
  • Network: Broadband Internet connection
  • Storage: 18 GB available space

Recommended

Recommended:
  • OS: Windows 10 64-bit
  • Processor: intel Core 14700k / AMD Ryzen 7 7800x3d
  • Memory: 32 GB RAM
  • Graphics: Nvidia RTX 3060Ti, AMD Radeon RX 6700-XT
  • DirectX: Version 12
  • Storage: 25 GB available space

Supported Languages

English*, French, German, Simplified Chinese, Russian*
*languages with full audio support

Latest news

  • Community & EventsOfficial

    Results of the Steam Next Fest

    Hello everyone!So, the Steam Next Fest has come to an end, and we've closed the demo. Thanks to everyone who played. We received a lot of feedback and tried to respond promptly, fixing the main bugs and shortcomings. There's still a lot of work to do, and unfortunately, we didn't have time to finalize some things for this demo.In the future, we're planning more open and closed playtests and an updated demo, during which we'll address the main issues with multiplayer and other key issues.We really appreciate your feedback, as it helps us make the game even better. We're also always happy to hear your game ideas on our social media.See you soon!
    Read full article on Community Announcements (Vkysnenkaya)
  • Patch NotesOfficial

    Обновление #1

    Patch NotesWe've spent a lot of time testing the game and carefully reading your feedback. Thanks for playing and sharing your thoughts with us - it genuinely helps us improve the experience.We know the demo still has its rough edges, and we're steadily working through the biggest issues and bugs. Here's what's changed in this update:1. Improved bot death animationsFixed issues that caused bots to die in unnatural ways. Their deaths now look much more believable, making combat feel smoother and more immersive.2. Dynamic crosshair systemCrosshairs now disappear while aiming down sights, giving a cleaner and more intuitive shooting experience.2.1. Weak spot indicator When your crosshair is over a bot's weak spot, it now turns red to indicate that you're dealing critical damage.As a reminder, standard Rippers have two weak spots:HeadCore3. Terminal interactions are now availableYou can now interact with terminals, unlocking new gameplay possibilities and allowing mission progression where it was previously blocked.4. Starting area improvementsInvisible walls in the starting location have been removed and replaced with natural obstacles, making exploration feel more immersive and less restrictive.5. Stealth behavior reworkedFixed an issue with approaching Rippers from behind.You can now walk or crouch up to them without triggering a reaction. However, if you run, they'll hear you and immediately begin hunting you.6. Door hacking is now functionalLocked doors can now be hacked correctly.Use the terminal located on either side of the door and hold F to start the hacking process.Secured doors can buy you valuable time while you reload or resupply, but keep in mind that they won't hold forever. Don't stay in one place for too long.7. PDA movement bug fixedFixed an issue where opening the PDA (Q) could cause teleporting or movement glitches on both the client and server.Your character can now move normally while using the PDA without being pushed backward.8. Loot highlightin...
    Read full article on Community Announcements (Vkysnenkaya)
  • AnnouncementsOfficial

    Devlog #4

    So, hackers, have you missed us? This is our latest devlog, where we'll tell you how development is progressing.Testing MultiplayerA good game requires good, stable communication. Of course, we still have work to do, but we can now connect and run around together while testing the map and everything else.We're currently testing everything internally to minimize the risk of problems for players.Testing AIOur robots are no longer stupid kittens running into walls, but we still have some room for improvement!Apparently, the robots are turning out quite aggressive — they chase you, pounce on you, and hit you endlessly.You can also run into a Legionnaire, and if that happens, it would be best to have a time machine so we could rewind to that wonderful time before we saw his iron face.Testing DevelopersWe actually conduct a secret study on our developers to see how well they work. Here's some of the data:Perseverance — 10/10Dedication — 10/10Loyalty — 10/10Ability to relax — 5/10As you can see, not all the metrics are perfect. We're already developing a strategy that will allow our team to enjoy development without neglecting their downtime.Thank you for staying with us!And if you want more interesting content, you can check out our social media using the links below.
    Read full article on Community Announcements (Vkysnenkaya)
  • AnnouncementsOfficial

    Devlog #3

    It's been a month since the last devlog, and the guys woke me up to write a new one. We've completed the main phase of mission development for the alpha version of the game, and now we're polishing everything, testing, and fine-tuning processes.NavigationFor the player to know where they are in space, good navigation is essential. And now we have it! The player can see where they are, making it easier for them to navigate rooms. It would also be nice to know where their teammates are.UI and Loading ScreensWe're trying out different images for the loading screen. It seems like a small thing, but they're what you see while you wait for the game to load. And if before our ancestors looked at rock paintings, now there is something more interesting. For now, we're making do with art drawn by our artist, but who knows, maybe in the future we'll leave you with secret messages. For now, we have just a few small tips to help you survive.The interface is an important part of any game, and our current goal is to make it as clear and user-friendly as possible. We'll be refining and improving it through testing, including with players. After all, who better than the players to understand what works and what doesn't?We're bending the Legionnaire, so he can bend us later.We're teaching the Legionnaire to pass through doors. A crouch animation, a little code, and voila! Now it's time to run away...A lot of work has been done, and even more is ahead! We hope you enjoyed this behind-the-scenes look at development.
    Read full article on Community Announcements (Vkysnenkaya)
  • AnnouncementsOfficial

    Devlog#2

    Greetings, young hackers! We are currently fully immersed in development — working on visuals, coding, and scattering bodies across the levels... In short, we are doing everything in our power to recreate a sci-fi atmosphere with elements of desolation. So, what new things have we accomplished lately? The robots are fighting — and they’re actually pretty good at itIt’s never pleasant to be grabbed by the scruff of the neck! Especially when the one doing the grabbing is a three-meter-tall, armed robot. To call it "scary" would be an understatement. It evokes, rather, that indescribable horror of which Lovecraft spoke. After all, AI, too, fancies itself a god — in a sense. Hacker Mode Our little pride and joy and a crucial element of the game is Hacker Mode. It highlights objects you can interact with: enemies, doors, terminals, and more. We want to make hacking feel realistic, yet not overly complicated. Playtests and player feedback will be invaluable in helping us achieve this balance. Preparing for the Alpha Test We'll be holding a closed alpha test very soon, and after that, we'll finally be able to release the demo! So stay tuned and stay tuned for more exciting news.
    Read full article on Community Announcements (Vkysnenkaya)

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