Siege of Centauri
Released Sep 2019
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.
66% positive · 450 reviews
Done
All announced content has been released
High confidence
Done
All announced content has been released
High confidence
Where to buy
Steam Lowest $4.49 $14.99 −70% Green Man Gaming Steam key $14.99
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Evaluation
Siege of Centauri launched out of Early Access on September 12, 2019 as a complete tower defense game. Following launch, Stardock released several patches — Patch 1 on September 18, 2019, v1.03 on September 30, 2019, v1.07 on January 15, 2020, and a small achievement fix on June 18, 2020. All of these were maintenance updates focused on bug fixes, crash fixes, and performance improvements. No major content expansions or DLC were ever released, and no future content was announced at any point. The last developer communication of any kind was the achievement fix on June 18, 2020. There are no unreleased DLC listings on the store, no announced roadmap, and no developer statements indicating plans for additional content. The game launched as a complete, self-contained product and has been in maintenance-only status since shortly after its 1.0 release.
Evidence
Siege of Centauri officially launched out of Early Access as a complete product on September 12, 2019.
Small update to fix an achievement. Last official developer communication on record.
Media
Details
Developer
Publisher
Stardock Entertainment
Achievements
28
Platform
Windows
Controller
—
Steam Deck
Not rated
Players
Single-player
About this game
Communications to Earth's first interstellar colony in Proxima Centauri have gone dark. In response, Earth has dispatched the Carpathia to investigate. Upon arrival, you find a colony under siege. Your mission: save the colony from these brutal alien invaders.
Siege of Centauri puts you in command of the defense of Earth's first interstellar colony. Set in the Ashes of the Singularity universe, thousands of alien machines are attacking and only you, with your arsenal of deployable defense structures and strategic orbital abilities, can stop them.
Customize the Carpathia in order to best handle the challenges of each individual mission, battle across the surface of an alien world through a series of story-driven campaigns or see how long you can survive in a doomed region where the enemy waves are truly endless.
The enemy comes in all shapes and sizes, challenging you to counter them with the right defense in the right place. Siege of Centauri combines the best elements of classic tower defense games with the strategic depth Stardock has delivered in past titles, including Sins of a Solar Empire: Rebellion and Ashes of the Singularity.
Siege of Centauri puts you in command of the defense of Earth's first interstellar colony. Set in the Ashes of the Singularity universe, thousands of alien machines are attacking and only you, with your arsenal of deployable defense structures and strategic orbital abilities, can stop them.
Customize the Carpathia in order to best handle the challenges of each individual mission, battle across the surface of an alien world through a series of story-driven campaigns or see how long you can survive in a doomed region where the enemy waves are truly endless.
The enemy comes in all shapes and sizes, challenging you to counter them with the right defense in the right place. Siege of Centauri combines the best elements of classic tower defense games with the strategic depth Stardock has delivered in past titles, including Sins of a Solar Empire: Rebellion and Ashes of the Singularity.
Features
- Defend the colony on Proxima Centauri from hordes of alien invaders in a vast campaign full of challenging missions. Deploy defenses, use powerful orbital abilities, and call units at the right time and place in order to survive the onslaught.
- Create your own missions using the workshop, then upload and share them with other players. Download new missions created by other users, too.
- Customize your defenses using dozens of tower upgrades. Determine what you need in order to survive. Upgrade your particle cannon to slow its target, your Artillery Post to leave fire in areas it has attacks, or your Corrosion Mortars so that victims infect the allies around them.
- Survive against unrelenting enemy waves in Endless Mode and see if you can outlast other players on the leaderboards.
- Fight against dozens of enemies with unique attacks and defenses. Beware the Falling Star that disables defenses when it explodes, or the Heart of the Phoenix that forms a chrysalis when destroyed that can be reborn as a new Heart.
Are these done yet?
Last evaluated Jun 27, 2026
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