Siege of Centauri

Tower defense against alien machine hordes on a colony world

Stardock Entertainment · Released Sep 12, 2019

Reviews: Mixed; 65% of 356
Recent reviews: Not enough recent
Players: 1; daily peak, Oct 29, 2026
Steam Deck: Untested
Last update on Steam: 6 years ago; Jun 18, 2020
Minimum PC: R7 360; 6 GB RAM · 8 GB disk; Full requirements

What is Siege of Centauri?

This is an isometric, single-player tower defense game set on Proxima Centauri, where Earth's first interstellar colony is under siege. You place defenses to counter different enemy types and time orbital abilities across story-driven campaign missions or an endless survival mode.

For you if...

+you enjoy experimenting with tower combinations and careful placement

Not for you if...

−you want cooperative or head-to-head multiplayer matches

What players say

65% of 356 reviews are positive

Players praise the variety of towers and their upgrade options. Common complaints include limited depth, repetition, and unclear explanations of upgrade effects. Recent reviews also report crashes.

Screenshots and trailer

Siege of Centauri system requirements

Minimum: R7 360, 6 GB RAM, 8 GB of disk space.

As published by the developer.

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Minimum

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

Does Siege of Centauri have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does Siege of Centauri run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 28
Steam features: Cloud saves, Family Sharing
Languages: Full audio: English.

Does Siege of Centauri use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam