Stardock · Stardock Entertainment^*

Galactic Civilizations III

2015 space opera video game · science fiction video game · 4X +2^*

At a glance

Genres

space opera video game
science fiction video game
4X
construction and management simulation^*
strategy video game^*

Play modes

co-op mode
single-player video game
multiplayer video game

Series

Galactic Civilizations

Game facts

Developers

Stardock
Stardock Entertainment^*

Publishers

Stardock
Stardock Entertainment^*

View full details

Platforms

Microsoft Windows

Players by platform

Microsoft Windows^*
Maximum players (mode unspecified)
128^*

Content classifications

ESRB · Microsoft Windows^*
Classification
E10+ - Everyone 10+^*

Compatibility and community reports

Steam Deck · 2026-06-27^*
Compatibility category
Playable^*
Linux · Community reports · 2026-06-27^*
Community Linux compatibility tier
Gold^*
Reports
53^*
Community confidence
strong^*

System requirements

Windows · Minimum^*
Operating system
64-bit Windows 10 / 8.x / 7^*
Processor alternatives
1.8 GHz Intel Core 2 Duo / AMD K10 Dual-Core^*
Memory
4 GB RAM^*
Graphics alternatives
512 MB DirectX 10.1 Video Card (AMD Radeon HD5x00 Series / Nvidia GeForce 500 Series / Intel HD 4000 or later)^*
Graphics API
Version 10^*
Network
Broadband Internet connection^*
Storage
12 GB available space^*
Audio hardware
DirectX Compatible Sound Card^*
Conditions
Requires a 64-bit processor and operating system^*
Windows · Recommended^*
Memory
6 GB^*
Processor alternatives
2.3 GHz Intel Core i5 Processor or Equivalent^*
Graphics alternatives
1 GB DirectX 10.1 Video Card^*
Windows · Recommended memory · 2026-06-27^*
Memory
6 GB^*

Steam version platforms

Windows^*
Supported
Yes^*
macOS^*
Supported
No^*
Linux^*
Supported
No^*

Interface languages

English^*
Full audio
Yes^*
French^*
German^*
Russian^*

Audio languages

English^*
Russian^*

Game features

Single-player^*
Multi-player^*
PvP^*
Online PvP^*
Co-op^*
Online Co-op^*
Steam Achievements^*
Steam Trading Cards^*
Steam Workshop^*
Stats^*
Family Sharing^*

Store genres

Strategy^*

Screenshots

Screenshot 1 from Galactic Civilizations III

Screenshot 2 from Galactic Civilizations III

Screenshot 3 from Galactic Civilizations III

* Provisional data