Last 7 days · history since Nov 1, 2026
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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50% positive of 2 · 2 user reviews · Live from Steam
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Prion Protein disrupted the functions of the human brain, turning individuals into wild, aggressive mutants. As part of a special military unit, you are the last hope. You are tasked with stopping the epidemic and containing the infected mutants. Destroy all mutants and keep running for your life.
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: 50% on 2026-11-01 → 50% today (2 reviews)
No authorized Steam key store lists this game right now.
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.
Are you bored on the weekends and looking for a competitive game? Join us and try to survive by killing zombies. Will you be successful ?
Not tested by Valve yet. Results from Valve's own testing.
Valve hasn't published test details for this game.