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Eternal Siege is an evolutionary tower defense based around min-max resource management, efficient use of spells, and (hopefully) building some towers. Start in the Ancient Greek era and defend your way through the human eras (Roman, medieval, modern, etc). Can you survive the human extinction era?
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.
Inspired by the Ancient TD custom map from Age of Empires 2 - but with an evolutionary twist and in 3D. Start in the Ancient Greek era and defend your way through the human eras (Roman, medieval, modern, etc). New spells and upgrades unlock as you progress through the eras, but so do the enemies. Can you survive the extinction era?
Min-max the resource systems and discover the fastest, most efficient resource upgrade path. Efficiently transition to new resource systems as they unlock through the human eras.
There are no wave timers, no breaks between waves - the armies keep on coming, and they will never stop until they take back the city.
Upgrade your spells to compliment your towers, keep up with the waves, or boost your income. Feeling behind? Use your panic spells to buy some time and get a chance to catch up, but be careful as they are rare.
** Generative AI was not used in the making or any promotion of Eternal Siege
Lowest tracked price: PLN 29.89 (Jul 7, 2026) · current best: PLN 45.99.
100% positive reviews all-time.
Right now the cheapest offer for Eternal Siege is PLN 45.99 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 Eternal Siege is PLN 29.89 (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.
Create a free price alert on this page and KingsPrice will email you when Eternal Siege 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.
