Discover New Adventure in the First Expansion to one of the Highest Rated Turn-Based Strategy Games

Now Available*

The human race is fighting a desperate war against the remorseless Drengin Empire. Both sides have become increasingly desperate, leading them to turn to the galactic underworld and their elite mercenaries.

  • Galactic Bazaar

    Visit the Galactic Bazaar and choose from dozens of mercenaries for hire and order them to do your bidding.

  • New Ships / Ship Parts

    Tons of new ships and dozens of new ship parts for further customization.

  • New Faction - Torians

    Play as an aquatic species who seek to escape the slavery of the Drengin Empire.

  • New Campaign

    Hire mercenaries and lead the Torians to freedom from their Drengin oppressors. Rebuild your shattered empire from the ground up and thrive in the face of adversity.

  • New Faction - Arceans

    Play as an ancient and honorable civilization of warriors and long-time enemy of the Drengin Empire.

NOW AVAILABLE: v4.51 Update for Galactic Civilizations III

Galactic Civilizations III v4.51 Brings Balance Updates & Game Fixes Greetings, galactic conquerers!...

01.24.2023 | Tatiora
NOW AVAILABLE: v4.5 Update for Galactic Civilizations III

Galactic Civilizations III v4.5 Update Improves AI, Early Game, Diplomatic Trades, and More Read the...

12.21.2022 | Tatiora
GalCiv III v4.5 [released] and other Stardock Stuff

When I say “Learn to code” I really mean it because man, ever since...

12.18.2022 | Frogboy

Operating System

64-bit Windows 10 / 8.1 /
8 / 7


4 GB


512 MB DX 10.1 (AMD
Radeon HD5x00 Series /
Nvidia GeForce 500 Series /
Intel HD 4000 or later)


1.8 GHz Intel Core 2 Duo /
AMD K10 Dual-Core

Hard Drive Space

12 GB

Sound Card


Additional Distributors
Gamersgate GameStop Green Man Gaming

*Requires Galactic Civilizations III (sold separately) to play.