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Siege of Centauri needs at least 2 GB GDDR5 NVidia GeForce 660 / AMD R7 360 or better and 6 GB RAM.
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Thousands of alien machines are descending on Earth's first interstellar colony in this massive-scale new tower defense game from the publisher of Ashes of the Singularity and Sins of a Solar Empire: Rebellion.
Game modes: Single player
Right now the lowest price for Siege of Centauri we're tracking is $2.90 at Kinguin — 81% below Steam's $14.99. We compare 8 stores and prices refresh every few minutes.
The lowest price we've recorded for Siege of Centauri is $2.62 at Kinguin on August 19, 2026. The current best price is about 11% above that low.
66% of 438 Steam user reviews for Siege of Centauri are positive ("Mixed").
The minimum system requirements for Siege of Centauri are — OS: 64-bit Windows 10 / 8.1 / 7; CPU: Quad-core Intel / AMD Processor; GPU: 2 GB GDDR5 NVidia GeForce 660 / AMD R7 360 or better; RAM: 6 GB RAM; Storage: 8 GB available space. See the full minimum and recommended specs in the system requirements section on this page.
Siege of Centauri released on April 16, 2019, developed by Stardock Entertainment and published by Stardock Entertainment.
Siege of Centauri is available on PC (Microsoft Windows). It supports single player.
Siege of Centauri last hit a new low of $2.62 on August 19, 2026 at Kinguin. Current best price is $2.90. Prices on this page refresh every few minutes, so check back around seasonal sales for new lows.
The cheapest Siege of Centauri price right now is $2.90 at Kinguin, 81% below the Steam price.
| Store | Discount | Price | Buy link |
|---|---|---|---|
 KinguinBest price | — | $2.90 | Buy Siege of Centauri at Kinguin |
 YuPlay | -86% | $3.03 | Buy Siege of Centauri at YuPlay |
 Gamivo | — | $3.09 | Buy Siege of Centauri at Gamivo |
 Instant Gaming | -81% | $3.45 | Buy Siege of Centauri at Instant Gaming |
 Loaded | -19% | $12.49 | Buy Siege of Centauri at Loaded |
 Steam | — | $14.99 | Buy Siege of Centauri at Steam |
All-time low: $2.62 at Kinguin on Aug 19, 2026 — the current best price is 11% above it.
Prices in USD, refreshed every few minutes. Switch currency on this page for EUR/GBP/BRL and more.
