Terraforming Mars
All offers (19)
Compare the platform, region and delivery before you buy.
Standard Edition 17 offers · EU & Global
Terraforming Mars Steam CD KeyActivation keySteamGlobalLowest price€1.65+ payment feeView deal
Terraforming Mars (Global) (PC / Mac) - Steam - Digital KeyActivation keySteamGlobal€1.65no Plus, no ProtectView deal
Terraforming Mars EN/DE/FR/IT/ES/SV GlobalActivation keySteamGlobal€1.80+ service feeView deal
Terraforming Mars Steam Key GLOBALActivation keySteamGlobal€1.84+ fee possibleView deal
Terraforming Mars (PC) Steam Key - EUActivation keySteamEurope€1.97+ service feeView deal- Terraforming Mars (PC) Steam Key - GLOBALActivation keySteamGlobal€1.97+ service feeView deal
- Terraforming Mars (PC) Steam Key EUROPEActivation keySteamEurope€2.10+ fee possibleView deal
- Terraforming Mars EU Steam CD KeyActivation keySteamEurope€2.44+ payment feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermanyView on Steam€19.99€5.99No fee
Other regions 2 offers
Sold for Latin America, North America, Asia, the Middle East, Russia or an unspecified region. These keys usually cannot be activated from Germany.
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 €1.3913 Oct 2026
- Highest €1.6511 Oct 2026
- Today €1.65
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Terraforming Mars key: current price comparison
Where is the Terraforming Mars key cheapest?
The cheapest Terraforming Mars key that activates in the EU currently costs €1.65 at Kinguin. Keyfinder compares 19 offers from 8 shops for this price. That is 72% less than the Steam price of €5.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Terraforming Mars key price in the last 32 days?
€1.39 on 13 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €1.65 on 11 Oct 2026; today the cheapest key costs €1.65.
Which Terraforming Mars keys activate in the EU?
17 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 Terraforming Mars 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 Terraforming Mars 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 Terraforming Mars
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
- Developer
- Artefacts Studio
- Publisher
- Twin Sails Interactive
- Release date
- 17 Oct 2018
- Steam
- View on Steam