Siege of Centauri — cheap CD keys, compare prices
Is it worth buying?
Reviews are mixed (Steam 66%) · The price is above its low (was €1.99), but within a reasonable range Notify me on a drop
About the game
Siege of Centauri is a fast-paced tower-defense title where players hold the line against waves numbering in the thousands. Upgradable towers and powerful orbital strikes are the tools for protecting humanity's very first colony out among the stars. Stardock Entertainment both developed and published the game in 2019.
Did you know?
On Steam it has 66% positive reviews from over 440 ratings, with a Mixed status.
Best price today
€2.35
· · check “Region” on the seller’s page
Kinguin · Marketplace · Steam
Global key · check “Region” on the seller’s page
You pay at Kinguin · the seller sends the key · same price as on their site
Notify me when it drops below €2.12
- On Steam
- €6.19−62 % here
- all-time low
- €1.9917 Sept
- Official now
- €6.19Steam
- Average low, 4 mo.
- €2.33
The cheapest Siege of Centauri key right now costs €2.35 at Kinguin — the best of 12 compared offers. The cheapest official store price is €6.19 at Steam. (Prices as of )
Offers 12 · PC · from €2.35
Prices as of
No offers match these filters — try widening them.
Listed seller price shown — payment fees may vary by method.
Siege of Centauri prices by store 9
| Store | Type | Price |
|---|---|---|
| Kinguin | Marketplace | €2.35 |
| Driffle | Marketplace | €2.48 |
| Instant Gaming | Marketplace | €2.99 |
| K4G | Marketplace | €3.10 |
| GameSeal | Marketplace | €3.49 |
| Loaded | Marketplace | €3.59 |
| G2A | Marketplace | €4.13 |
| Steam | Official store | €6.19 |
| Fanatical | Official store | €11.22 |
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Lowest official since we started tracking (Aug 2026)
€3.74
Aug 2026
Lowest — keyshops
€1.99
Sept 2026
Monthly price lows
| Month | Lowest official | Lowest keyshop |
|---|---|---|
| Oct 2026 | €3.74 | €2.35 |
| Sept 2026 | €3.74 | €1.99 |
| Aug 2026 | €3.74 | €2.18 |
| Jul 2026 | €3.74 | €2.81 |
Lowest in-stock price per month from our price history; the current month is the low so far.
How to activate your key
- Steam key — open the Steam client → Games → Activate a Product on Steam → enter the key. Stores with this activation: Kinguin, Driffle, Instant Gaming, K4G, GameSeal, Loaded, G2A, Steam, Fanatical
System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | 64-bit Windows 10 / 8.1 / 7 | 64-bit Windows 10 / 8.1 / 7 |
| Processor | Quad-core Intel / AMD Processor | Intel Core i5 or Equivalent |
| Memory | 6 GB RAM | 8 GB RAM |
| Graphics | 2 GB GDDR5 NVidia GeForce 660 / AMD R7 360 or better | 4 GB GDDR5 NVidia GTX 970 / AMD R9 390 or better |
| DirectX | Version 11 | Version 11 |
| Storage | 8 GB available space | 8 GB available space |
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About this game — FAQ
Can Siege of Centauri be played single-player?
Yes, Siege of Centauri is a single-player game.
What languages does Siege of Centauri support?
Siege of Centauri is available in: English.
Does Siege of Centauri use Steam Cloud saves?
Yes, Siege of Centauri uses Steam Cloud, so your saves sync across devices.
FAQ
Where is the cheapest place to buy a Siege of Centauri key?
The cheapest Siege of Centauri key is currently sold by Kinguin for €2.35. That is the best of 12 offers we compare; prices are refreshed regularly. The lowest price we have ever recorded for this game: €1.99.
How much does Siege of Centauri cost?
Siege of Centauri currently costs from €2.35 — the cheapest offer across the stores we track. For comparison, the game costs €6.19 on Steam, so buying a key saves you about 62%.
Is Kinguin an official store or a keyshop?
Kinguin is a keyshop (marketplace) where independent sellers list keys, so prices are often lower than in official stores. Every offer on ulov.gg is clearly labeled with its store type.
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.