Buy Under Protocol PC

Under Protocol is free to play! Download it on Steam and start playing instantly.

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About Under Protocol

Under Protocol - about the game
In a post-World War 2027, players take the role of a checkpoint duty officer amid radioactive dust and rising crime. Approve or deny entrants based on document checks, radiation monitoring, baggage scans, and CCTV alerts. Every choice shapes reputation with command, residents, and black market contacts, while balancing salary, fines, bounties, and health risks from cumulative radiation exposure. This simulation game delivers story mode through seasonal shifts and survival mode with endless lines and escalating demands. Moral dilemmas force tough calls between law and conscience, like handling sick children or veterans with questionable papers. Fans of tense decision-making and resource management in harsh worlds will find a gripping challenge on PC.

The year is 2027. Humanity has managed to preserve some of its technology, but the world has changed beyond recognition. More than a year has passed since the height of the World War, which left the surface blanketed in radioactive dust.

Recently, I was offered a new job — the position of a duty officer at a checkpoint. The entrance is anything but safe: high radiation, rising crime, unending tension. Yet the pay is triple, the price for survival.

Rumors spread of distant Siberia, where people live freely on the surface, unafraid of death. Lands once abandoned now whisper of paradise — but at what cost?

I am former KGB Captain Mikhail Sergeyevich Molotov. I’m taking this risk for my family—my wife and our young daughter. I’m close to having enough for a ticket to the “Clean Lands”… but will I make it?

How It Plays

There’s a line at the checkpoint. People arrive with different stories, professions, papers, and goals: some seek refuge, some need work, some try to bring in what they shouldn’t.
The choice is yours. Approve or deny—every decision affects your reputation, bonuses, and risk.

Document Checks
  • Verify identity: photo, full name, date of birth, ID numbers, matching stamps and seals.

  • Cross-check biography and education.

  • Use the internal database to verify document authenticity.

Radiation Monitoring
  • Measure the dose rate (µSv/h) with a portable dosimeter.

  • Compare the reading against the in-game table of permissible levels—thresholds vary by role and condition.

Baggage Scanner

Run items through the X-ray scanner. Watch for contraband, weapons, radioactive materials, and illegal substances. Separate the harmless from the prohibited.

CCTV Camera

Periodically check the CCTV monitor.
Respond to alerts—camera blackouts, suspicious objects or silhouettes. Ignoring them can be costly.

Risks & Consequences
  • Reputation. With command—for discipline and metrics; with residents—for compassion or toughness; with the black market—for “cooperation” or integrity.

  • Economy. Salary; fines for mistakes; bounties for violations caught; expenses for medicine, filters, and rations. Every error pushes your Siberia dream further out of reach.

  • Health. Working by the entrance and constant inspections increase your cumulative dose. Shields, graphite/lead panels, and filters reduce risk—if you can afford them.

  • Moral dilemmas. A sick child with “clean” papers; a veteran with a dubious dosimeter badge; a talented engineer with an expired pass… law or conscience?

Modes & Goals
  • Story. Play through a season of shifts, balancing law, humanity, and your family’s survival.

  • Survival. An endless line, rising risks, growing demands, and a tight economy.

  • Endings. Save enough to send your loved ones to the “Clean Zone,” or… face a different fate.

Under Protocol is a game about order and compassion in a world after the end. Your protocol is your conscience. Your decisions are someone’s life.

Interface:
EnglishRussianSimplified Chinese
Subtitles:
EnglishRussianSimplified Chinese

Age rating

Unavailable

Minimum:

  • OS: Windows 10 на Ń…64
  • Processor: 1.2 GHz or faster processor
  • Memory: 2 GB RAM
  • Graphics: 512 MB display memory
  • Storage: 4 GB available space

Recommended:

  • OS: Windows 10 на Ń…64
  • Processor: 1.2 GHz or faster processor
  • Memory: 2 GB RAM
  • Graphics: 512 MB display memory
  • Storage: 4 GB available space
Historical low
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FAQ

8 questions

Before you start looking for a cheap Under Protocol key, check the essentials. PC released date: Coming Soon. Genres: Simulation. Categories: Family Sharing, Single-player, Steam Achievements, Playable without Timed Input, Save Anytime.

Q

Where to buy a cheap Under Protocol Steam key?

Under Protocol is free to play! Download it on Steam and start playing instantly.

Under Protocol is completely free on Steam. No purchase needed - just download and play. If you are looking for premium DLC or in-game items, check the offers table above.

Our price tracker covers both official retailers and key marketplaces, so you can find Under Protocol on sale even outside seasonal promotions. We currently detect 0 active offers from official stores and keyshops. Check the table above, compare against the historical low, and set an alert so you never miss the next price drop.

Based on our data, Under Protocol is not currently available on GeForce NOW. You will need to run it locally on your PC. Browse games available on GeForce NOW.

Yes. Under Protocol has an official page on the Steam Store, but we currently don't track any third-party offers with Steam DRM. Check back later or set a price alert.

Not at this time. Valve marks Under Protocol as Unsupported on Steam Deck. Keep an eye on XD.deals - we track Proton updates and community fixes. Browse games that are Steam Deck Verified or Steam Deck Playable.

Under Protocol does not appear to be available on PC Game Pass, EA Play, Ubisoft+ or any other PC subscription service at this time. Your only option is purchasing the game - use XD.deals to find the best price.

No - XD.deals is not a store. We are a price-comparison service that tracks the best Under Protocol deals across official stores and verified keyshops. Click "Go to Store" next to any offer and you will be redirected to the retailer's website to complete your purchase.

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