Galactic Civilizations III
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
- Released
- 2015
- Developer
- Stardock Entertainment
- Platforms
- 1 systems
- Critics
- 81
- Steam Deck
- playable
- Download
- 12 GB
What is Galactic Civilizations III?
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Description as published by the developer on its own store page, read 30 August 2026. It is marketing copy, not our assessment.
The record
| First released | 13 May 2015 |
|---|---|
| Developer | Stardock Entertainment |
| Publisher | Stardock Entertainment |
| Platforms | PC |
| Genres | Strategy |
| Languages | 4 supported |
Source. Catalogue facts from Wikidata , seeded TBA. Store data from Steam, read 30 August 2026.
How was Galactic Civilizations III received?
Method. Player figures are Steam's own totals for the PC version, read 30 August 2026. The Metacritic score is the one Steam publishes on its store page and can lag the site itself. Metacritic page. Neither is our opinion. We have not published a review of this game.
What does it support?
| Capability | Support |
|---|---|
| Controller | Not stated |
| Cloud saves | No |
| Cross-platform play | No |
| Mod support | Steam Workshop |
| Online play | Yes |
| In-game purchases | No |
| Steam Deck | playable |
| Download size | 12 GB |
| Add-on content | 17 DLC listed |
| Age gate | None |
Method. Read from the publisher's Steam listing on 30 August 2026. Describes the PC version. Console versions differ.
What does it cost?
Steam price in US dollars, read 30 August 2026. Prices move hourly and vary by region. Check the current price.
Games like Galactic Civilizations III
24 games overlap with Galactic Civilizations III on the tags Steam players applied to it, on genre, and on theme. The closest are ENDLESS Space 2, Sid Meier's Civilization: Beyond Earth and Sins of a Solar Empire: Rebellion.
Common questions about Galactic Civilizations III
What platforms is Galactic Civilizations III on?
Galactic Civilizations III is available on PC. It first released in 2015.
How much does Galactic Civilizations III cost?
$29.99 on Steam in the United States, read on 30 August 2026. Prices move often and vary by region, so check the store before buying.
Do players recommend Galactic Civilizations III?
77% of 10,391 Steam reviews are positive, which Steam rates Mostly Positive. That is players rating it, not our review. We have not published a review of this game.
What is the Metacritic score for Galactic Civilizations III?
81 out of 100 for the PC version, as published on the game's own Steam store page. Steam can lag Metacritic by a few points.
Does Galactic Civilizations III work on Steam Deck?
Valve rates Galactic Civilizations III as playable on the Steam Deck, from its own testing.
How big is the Galactic Civilizations III download?
12 GB on PC, from the storage requirement on its Steam listing. Console versions differ.