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Extraneum is an old-school, sci-fi single-player first person shooter with an emphasis on exploration and secret hunting. Fight your way through biohacked monstrosities and stop their progress before they take control of the entire world.
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
Steam Train Fest starts Jul 20, 2026
Official stores with direct support.
Try this game before buying.
Thanks to your high resilience and your even higher scores on the Universal Weapon Handling Assessment, you were lucky enough to get hired as a security guard for top secret Project EXTRANEÜM (pronounced ex-strain-yum). You had no idea what this project was all about, but you certainly didn't sign up for a total overrun of the facilities by alien looking monstrosities.
Looks like you're doing overtime today. Grab your trusty knife and your standard issue SMG and send these abominations back to hell where they belong.
EXTRANEÜM is a brutal old-school first person shooter with an emphasis on exploration and secret hunting. Shoot monsters and find upgrades as you progress through the laboratories of Project EXTRANEÜM in search for the truth... and a way to put an end to it all.
24 levels, with 3 unique boss battles waiting at key points of the campaign
12 unique weapons and 12 enemy types
Hidden upgrades for your health, armor, and ammo
Tons of secrets and hidden areas for your exploratory pleasure
No generative AI has been used in the production of this game.
Lowest tracked price: PLN 17.00 (Jul 7, 2026) · current best: PLN 50.00.
95% positive reviews all-time · 1 peak players in the last 30 days.
Right now the cheapest offer for Extraneum is PLN 50.00 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Extraneum is PLN 17.00 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Extraneum peaked at 1 concurrent players on Steam in the last 30 days (highest on Jul 9, 2026). The player chart on this page updates daily.
Create a free price alert on this page and KingsPrice will email you when Extraneum drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
