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A sci-fi tower defense game. Build an army of towers to stop waves of a lured alien species called Zektid's.
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
The year is 2184.
Mankind is on the brink of extinction.
Earth has been destroyed.
The last remaining survivors have fled to planet Zerion 12 in order to colonize and repopulate the human race.
The planet is overrun by an alien species called Zektid's. You will need to lure them to the surface and clear the planet sector by sector.
It is our only hope for humanities survival.
FEATURES
Realtime Tower Defense packed action.
12 unique sectors to choose from.
Assortment of offensive and defensive towers to choose from.
Heart pumping soundtrack to fit the mood.
A variety of enemies and bosses to battle that come in waves.
Support for using your own custom music soundtracks.
MORE INFO
Create towers of the offensive and defensive type to destroy waves of enemies. Every sector is a unique design with a unique soundtrack. Enemies will come in waves and various types. Slow enemies, fast enemies, armored enemies etc.
Lowest tracked price: €4.43 (Jul 7, 2026) · current best: €14.79.
100% positive reviews all-time.
Right now the cheapest offer for Zerion 12 is €14.79 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 Zerion 12 is €4.43 (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 Zerion 12 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.
