Siege of Centauri
All offers (12)
Compare the platform, region and delivery before you buy.
Standard Edition 9 offers · EU & Global
Siege of Centauri Steam CD KeyActivation keySteamGlobalLowest price€2.20+ payment feeView deal
Siege of Centauri EN GlobalActivation keySteamGlobal€2.34+ service feeView deal
Siege of Centauri Steam Key GLOBALActivation keySteamGlobal€2.49+ fee possibleView deal
Siege of Centauri (Global) (PC) - Steam - Digital KeyActivation keySteamGlobal€2.50no Plus, no ProtectView deal
Siege of Centauri - Steam - Key (GLOBAL)Activation keySteamGlobal€2.80+ service feeView deal
Siege of Centauri (PC) Steam Key - GLOBALActivation keySteamGlobal€2.97+ service feeView deal
Siege of Centauri Steam Key: GlobalActivation keySteamGlobal€3.35View deal
Siege of Centauri PCActivation keySteamGlobal€3.59View deal- Siege of Centauri Steam Gift GLOBALSteam giftSteamGlobal€4.11+ service feeView deal
Official store Steam · price for Germany
Steam store pageDirect purchaseSteamGermany€15.49No feeView on Steam
Other regions 3 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 €2.2029 Oct 2026
- Highest €2.3611 Oct 2026
- Today €2.20
The cheapest EU or Global key per day across all compared stores; the dashed line is the Steam price.
Trailer & screenshots
Buy Siege of Centauri key: current price comparison
Where is the Siege of Centauri key cheapest?
The cheapest Siege of Centauri key that activates in the EU currently costs €2.20 at Kinguin. Keyfinder compares 12 offers from 8 shops for this price. That is 86% less than the Steam price of €15.49. Prices are refreshed hourly; region, edition and any checkout fees are shown on each offer.
What was the lowest Siege of Centauri key price in the last 32 days?
€2.20 on 29 Oct 2026, for the standard edition that activates in the EU. The highest daily low in that time was €2.36 on 11 Oct 2026; today the cheapest key costs €2.20.
Which Siege of Centauri 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 Siege of Centauri 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 Siege of Centauri 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 Siege of Centauri
Defend against thousands of enemies in this explosive tower defense game. Deploy upgradable towers and unleash powerful orbital abilities as you try to protect Earth's first colony world from destruction.
- Developer
- Stardock Entertainment
- Publisher
- Stardock Entertainment
- Release date
- 12 Sept 2019
- Steam
- View on Steam