Last 7 days
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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70% positive of 10 · Mostly Positive · Live from Steam
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In the semi-open world horror game Protocol X, you must uncover a dark past in 1975 Germany, survive deadly experiments, save your family and the Weltel family, and race against time in a historical story shaped by multiple endings.
Live data from Steam, tracked by SteamPlayerBase.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 70% on 2026-11-01 → 70% today (10 reviews)
No changes recorded yet.
No authorized Steam key store lists this game right now.
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.
Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
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Optimization corrected.
Small bugs fixed
Fixing small bugs
Protocol X is going free to play on February 18th. Thank you for your support!
The canvas system has been refined for better consistency.