Mars Base
All offers (9)
Compare the platform, region and delivery before you buy.
Standard Edition 9 offers · EU & Global
Mars Base PC Steam CD KeyActivation keySteamGlobalLowest price€2.23+ payment feeView deal
Mars Base (PC) Steam Key - GLOBALActivation keySteamGlobal€2.28+ service feeView deal
Mars Base PCActivation keySteamGlobal€2.39View deal
Mars Base (PC) Steam Key GLOBALActivation keySteamGlobal€2.49+ fee possibleView deal
Mars Base (Global) (PC / Mac) - Steam - Digital KeyActivation keySteamGlobal€2.80no Plus, no ProtectView deal
Mars Base Steam KeyActivation keySteamGlobal€3.20View deal
Mars BaseActivation keySteamEurope€3.69View deal- Mars Base (Europe) (PC / Mac) - Steam - Digital KeyActivation keySteamEurope€4.45no Plus, no ProtectView deal
- Mars Base EU PC Steam CD KeyActivation keySteamEurope€31.56+ payment feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€18.49No feeView on Steam
You buy directly from the store. "+ service fee" or "+ payment fee" means the store adds a fee at checkout; you see the final price there before you pay. We may earn a commission when you buy through our links.
Best price over the last 32 days
- Lowest €2.2211 Oct 2026
- Highest €2.7913 Oct 2026
- Today €2.23
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Mars Base key: current price comparison
Where is the Mars Base key cheapest?
The cheapest Mars Base key that activates in the EU currently costs €2.23 at Kinguin. Keyfinder compares 9 offers from 7 shops for this price. That is 88% less than the Steam price of €18.49. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Mars Base key price in the last 32 days?
€2.22 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €2.79 on 13 Oct 2026; today the cheapest key costs €2.23.
Which Mars Base keys activate in the EU?
9 offers are marked EU or Global and activate in Germany and the rest of the EU. Keys for other regions are listed separately. The keys on offer are for Steam.
How do I activate the Mars Base key?
The cheapest key activates on Steam. You redeem it there with the code the shop sends you after you pay.
Is it safe to buy a Mars Base key from Kinguin?
Before you pay, check three things on the offer: the region (EU or Global for Germany), the edition and any fee added at checkout. Keyfinder shows all three on every offer. Our Kinguin check covers who runs the shop, its fees and its regions.
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About Mars Base
Welcome to Mars Base, humanity’s foothold on the Red Planet! Join the expedition as an interstellar botanist and make history: turn barren soil into fertile farmland, grow food for colonists’ tables, and unearth the secrets of Mars! Are you ready to science the “crop” out of everything?
- Developer
- Khuong Le
- Publisher
- indie.io
- Release date
- 17 Oct 2022
- Steam
- View on Steam