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Do you have the resources and upgrades you need to leave the planet in this roguelike genre where you try to defend your base, survive, gather the necessary resources, and upgrade your technology while trying to repair your spaceship on an uncharted planet you crash-landed on?
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 ends
Lowest tracked price: €1.99 (Jul 7, 2026) · current best: €1.99.
0% positive reviews all-time.
Right now the cheapest offer for Defense Protocol is €1.99 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 Defense Protocol is €1.99 (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 Defense Protocol 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.
