Interstellar Marines
All offers (19)
Compare the platform, region and delivery before you buy.
Standard Edition 11 offers · EU & Global
- Interstellar Marines Steam GiftSteam giftSteamGlobalLowest price€1.49+ payment feeView deal
- Interstellar Marines (PC) Steam Gift - GLOBALSteam giftSteamGlobal€1.52+ service feeView deal
- Interstellar Marines Steam CD KeyActivation keySteamGlobal€1.87+ payment feeView deal
- Interstellar Marines (PC) Steam Key - GLOBALActivation keySteamGlobal€1.90+ service feeView deal
- Interstellar Marines (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€2.02no Plus, no ProtectView deal
- Interstellar Marines EN GlobalActivation keySteamGlobal€2.02+ service feeView deal
- Interstellar Marines Steam Key GLOBALActivation keySteamGlobal€2.13+ fee possibleView deal
- Interstellar Marines (PC) - Steam Gift - GLOBALSteam giftSteamGlobal€2.47+ service feeView deal
Special Edition 8 offers · EU & Global
- Interstellar Marines Spearhead Edition EN GlobalActivation keySteamGlobal€6.81+ service feeView deal
- Interstellar Marines Spearhead Edition Steam CD KeyActivation keySteamGlobal€6.87+ payment feeView deal
- Interstellar Marines - Spearhead Edition (Global) (PC / Mac / Linux) - Steam - Digital KeyActivation keySteamGlobal€7.00no Plus, no ProtectView deal
Interstellar Marines: Spearhead Edition Steam KeyActivation keySteamGlobal€7.96View deal- Interstellar Marines - Spearhead Edition Steam Key GLOBALActivation keySteamGlobal€8.30+ fee possibleView deal
- Interstellar Marines - Spearhead Edition (PC) - Steam Key - GLOBALActivation keySteamGlobal€10.10+ service feeView deal
Interstellar Marines - Spearhead Edition PCActivation keySteamGlobal€29.29View deal- Interstellar Marines - Spearhead Edition (PC) Steam Key - GLOBALActivation keySteamGlobal€31.39+ service feeView deal
Official store Steam · price for Germany
- Steam store pageDirect purchaseSteamGermany€7.99No 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 €1.4911 Oct 2026
- Highest €1.4911 Oct 2026
- Today €1.49
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Interstellar Marines key: current price comparison
Where is the Interstellar Marines key cheapest?
The cheapest Interstellar Marines key that activates in the EU currently costs €1.49 at Kinguin. Keyfinder compares 19 offers from 8 shops for this price. That is 81% less than the Steam price of €7.99. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Interstellar Marines key price in the last 32 days?
€1.49 on 11 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €1.49 on 11 Oct 2026; today the cheapest key costs €1.49.
Which Interstellar Marines keys activate in the EU?
19 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 Interstellar Marines 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 Interstellar Marines 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 Interstellar Marines
UPDATE 28 AVAILABLE - Interstellar Marines is an immersive tactical sci-fi First Person Simulator in the making, offering a unique blend of tactical gameplay, dynamic environments and non-scripted AI. Play Singleplayer or Co-op/PvP on servers around the world.
- Developer
- Zero Point Software
- Publisher
- Zero Point Software
- Release date
- 2 Jul 2013
- Steam
- View on Steam












