Compare Siege of Centauri prices across 50+ stores and find the best deal. Developed by Stardock Entertainment. Published by Stardock Entertainment. Released on 9/12/2019. Available on PC. Genres: Action, Indie, Strategy.

Competent sci-fi tower defense that looks great and plays smoothly, but veterans of the genre will clock its limitations within the first couple of hours. Worth picking up if your backlog of Defense Grid clones is thin.

My spreadsheet instincts told me to catalogue every tower type before the first wave hit, and Siege of Centauri actually rewards that kind of pre-mission planning. Before each map loads, you pick a loadout of up to 10 tower types from the full roster, and upgrades are locked in at that stage too - there is no mid-mission tower shopping. That pre-deployment discipline is genuinely the most interesting decision layer the game offers, and newcomers to tower defense will find it a low-pressure introduction to thinking about counters before the chaos starts. The counter system itself is orthodox but functional. Swarm enemies fold to splash-damage Artillery Posts and Corrosion Mortars that spread infection between clustered units, while shielded and flying enemy types demand completely different answers. Special orbital abilities and deployable units - including giant mechs and energy beams - run on a separate energy currency from your metal reserves, so the real tension is split-resource allocation: do you spend now on another turret, or bank energy for the mech when the heavy wave rolls in? When that timing clicks, the screen becomes genuinely spectacular. Dozens of lasers and projectiles fire simultaneously into what can feel like thousands of machines, and the Ashes of the Singularity engine handles the load well. Crash issues were reported at launch, and while patches improved stability, occasional freezes have persisted in player reports. The campaign runs roughly 24 missions across around six to eight hours on higher difficulties, which is lean but honest for the budget tier. Missions brief you on which enemy types will appear, so preparation is possible rather than punishing. The in-game archive covering structures, enemies, and orbital abilities is a surprisingly thoughtful tutorial substitute - one that respects the player's intelligence rather than locking everything behind unskippable tooltips. Difficulty ramps at a healthy clip: the opening maps are forgiving enough to let newcomers learn the rock-paper-scissors counter logic, but shielded and regenerating enemies like the Heart of the Phoenix - which forms a chrysalis when destroyed and can revive - force genuine build adaptation as the campaign progresses. Where the game disappoints veterans is scope. There is no meaningful meta-progression, the story is thin and largely skippable, enemy AI does not pressure alternative routes in any interesting way, and late-mission chaos tends to resolve into the same brand of tower-spam regardless of how precisely you built. Endless Mode and the Workshop map editor add replayability on paper, but Endless mode lacks the score-chase hooks that make comparable modes in genre benchmarks compulsive, and the editor is functional rather than user-friendly. Critics landed consistently in the "competent but unremarkable" zone on release, and that verdict still holds. Steam sits at mixed reviews with roughly 63% positive across several hundred ratings - a signal that satisfied players exist but that the game has a ceiling. For a player who has already exhausted Defense Grid, Bloons TD, or Kingdom Rush and needs something to bridge the gap, Siege of Centauri is a perfectly serviceable afternoon. For someone genuinely new to tower defense who wants a structured campaign with clear enemy-counter logic and no in-app-purchase friction, it is actually a solid starting point. Just do not walk in expecting a game that takes risks with the formula. Diego, Scout Team

Siege of Centauri
ActionIndieStrategy

Siege of Centauri

Sep 12, 2019Stardock Entertainment
GamerScout Says

Competent sci-fi tower defense that looks great and plays smoothly, but veterans of the genre will clock its limitations within the first couple of hours. Worth picking up if your backlog of Defense Grid clones is thin.

PC
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Screenshots & Media

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About Siege of Centauri

My spreadsheet instincts told me to catalogue every tower type before the first wave hit, and Siege of Centauri actually rewards that kind of pre-mission planning. Before each map loads, you pick a loadout of up to 10 tower types from the full roster, and upgrades are locked in at that stage too - there is no mid-mission tower shopping. That pre-deployment discipline is genuinely the most interesting decision layer the game offers, and newcomers to tower defense will find it a low-pressure introduction to thinking about counters before the chaos starts. The counter system itself is orthodox but functional. Swarm enemies fold to splash-damage Artillery Posts and Corrosion Mortars that spread infection between clustered units, while shielded and flying enemy types demand completely different answers. Special orbital abilities and deployable units - including giant mechs and energy beams - run on a separate energy currency from your metal reserves, so the real tension is split-resource allocation: do you spend now on another turret, or bank energy for the mech when the heavy wave rolls in? When that timing clicks, the screen becomes genuinely spectacular. Dozens of lasers and projectiles fire simultaneously into what can feel like thousands of machines, and the Ashes of the Singularity engine handles the load well. Crash issues were reported at launch, and while patches improved stability, occasional freezes have persisted in player reports. The campaign runs roughly 24 missions across around six to eight hours on higher difficulties, which is lean but honest for the budget tier. Missions brief you on which enemy types will appear, so preparation is possible rather than punishing. The in-game archive covering structures, enemies, and orbital abilities is a surprisingly thoughtful tutorial substitute - one that respects the player's intelligence rather than locking everything behind unskippable tooltips. Difficulty ramps at a healthy clip: the opening maps are forgiving enough to let newcomers learn the rock-paper-scissors counter logic, but shielded and regenerating enemies like the Heart of the Phoenix - which forms a chrysalis when destroyed and can revive - force genuine build adaptation as the campaign progresses. Where the game disappoints veterans is scope. There is no meaningful meta-progression, the story is thin and largely skippable, enemy AI does not pressure alternative routes in any interesting way, and late-mission chaos tends to resolve into the same brand of tower-spam regardless of how precisely you built. Endless Mode and the Workshop map editor add replayability on paper, but Endless mode lacks the score-chase hooks that make comparable modes in genre benchmarks compulsive, and the editor is functional rather than user-friendly. Critics landed consistently in the "competent but unremarkable" zone on release, and that verdict still holds. Steam sits at mixed reviews with roughly 63% positive across several hundred ratings - a signal that satisfied players exist but that the game has a ceiling. For a player who has already exhausted Defense Grid, Bloons TD, or Kingdom Rush and needs something to bridge the gap, Siege of Centauri is a perfectly serviceable afternoon. For someone genuinely new to tower defense who wants a structured campaign with clear enemy-counter logic and no in-app-purchase friction, it is actually a solid starting point. Just do not walk in expecting a game that takes risks with the formula. Diego, Scout Team

Tags

singleplayerachievementscloud-savestier:sub-5Pre-Mission LoadoutSplit-Resource ManagementCounter-Based TowersEndless SurvivalWorkshop MapsOrbital AbilitiesEnemy VarietyAshes Universe

Steam Deck & Linux

ProtonDB Gold

Runs great on Linux after minor tweaks. Based on 9 ProtonDB community reports.

System Requirements

Minimum

OS
64-bit Windows 10 / 8.1 / 7
Memory
6 GB RAM
DirectX
Version 11
Storage
8 GB available space
Graphics
2 GB GDDR5 NVidia GeForce 660 / AMD R7 360 or better
Processor
Quad-core Intel / AMD Processor
Sound Card
DirectX Compatible Sound Card
Additional Notes
1920x1080 Display Resolution or Higher; additional disk space will be required during Early Access

Recommended

OS
64-bit Windows 10 / 8.1 / 7
Memory
8 GB RAM
DirectX
Version 11
Storage
8 GB available space
Graphics
4 GB GDDR5 NVidia GTX 970 / AMD R9 390 or better
Processor
Intel Core i5 or Equivalent
Sound Card
DirectX Compatible Sound Card
Additional Notes
1920x1080 Display Resolution or Higher

Community Discussion

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Reviews & Ratings

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Game Info

Developer
Stardock Entertainment
Publisher
Stardock Entertainment
Release Date
Sep 12, 2019

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Price History

2026-06-102.82(lowest)

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What platforms is Siege of Centauri available on?

Siege of Centauri is available on PC.

When was Siege of Centauri released?

Siege of Centauri was released on 12 September 2019.

Who developed Siege of Centauri?

Siege of Centauri was developed by Stardock Entertainment.