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Galactic Civilizations III

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 May 14, 2015 Developer Stardock Entertainment Platforms Windows AliensSci-fi4XTurn-Based StrategySandbox
View on Steam ↗ $29.99 (US · as of 2026-07-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Data as of 2026-05-20.

76.6%positive10,282 reviews
Recommended · 4 found this helpful

“A very good entry into the MoO/GalCiv/Stellaris space 4X genre, with some really neat experimental developments that are now standard parts of these games: the ship-building interface, some of the more slick-feeling UI elements. If you're interested in the history of these, this…”

— a player, Steam review · 16 hrs played
Recommended · 5 found this helpful

“This used to be my chill the F****K out game. I think it is about to be again. Pretty smooth not a whole massive resource / tech sim to learn like taking on a new paradox game.”

— a player, Steam review · 69 hrs played
Not recommended · 5 found this helpful

“The game is pretty, and that's about the only God's damn praise I can give it. There's some things to enjoy but man does it feel like the devs just wants to shiv you repeatedly until you are bloody ♥♥♥♥♥♥♥ pulp. I don't know what I did to make them hate me this much but this…”

— a player, Steam review · 79 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live count fetched 2026-07-11 11:57 UTC · history via SteamCharts.

109playing at last check
14424-hour peak
6,225all-time peak
0 1k 2k 2015 2017 2019 2021 2023 2025 1.9k avg · May 2015

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-07-25.

102achievements
3.1%median completion
0.2%rarest: One more dimension conquered ...
78.2% of players 66.6% of players 61.0% of players 51.2% of players 48.9% of players 45.7% of players 41.4% of players 37.7% of players 33.7% of players 30.6% of players 28.5% of players 26.0% of players 21.1% of players 17.5% of players 14.0% of players 12.7% of players 11.1% of players 10.5% of players 9.6% of players 9.5% of players 9.1% of players 8.8% of players 8.7% of players 8.0% of players 7.6% of players 7.6% of players 7.1% of players 7.0% of players 6.9% of players 6.5% of players 6.4% of players 6.3% of players 6.0% of players 5.9% of players 5.8% of players 5.1% of players 5.0% of players 5.0% of players 4.7% of players 4.6% of players 4.5% of players 4.4% of players 4.3% of players 4.3% of players 4.3% of players 4.3% of players 4.1% of players 3.9% of players 3.4% of players 3.3% of players 3.3% of players 3.1% of players 3.1% of players 3.0% of players 2.8% of players 2.7% of players 2.6% of players 2.5% of players 2.5% of players 2.3% of players 78.2% 0% most earned rarest
Almost everyone has
78.2%Our New Home — Colonize your first planet
66.6%Warrior — Win a Battle
61.0%Aliens?!?! — Meet your first Race in Galactic Civilizations III
Rarest badges of honor
0.2%One more dimension conquered ... — Win as Xraki
0.2%Imperial March — Win as Scryve
0.2%Served for dinner — Win as Phamysht

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-07-11. Steam prices vary by region — always confirm your local price on Steam.

$29.99current · sampled 2026-07-26 08:39 UTC
$29.99lowest since tracking began2026-07-11
US29.99 USD
EU30.49 EUR
UK26.75 GBP
Australia41.95 AUD
Canada35.99 CAD
Japan3,850 JPY
Brazil99.99 BRL
China109.00 CNY

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$16 Brazil Japan Canada Australia US EU UK≈$36

Cheapest → most expensive, converted to USD at ECB reference rates (2026-07-24). Relative comparison only.

$0 $25 $50 07-11 07-13 07-16 07-19 07-22 07-26

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Nov 13, 2025
Announcing Expansion Pass 2 for Galactic Civilizations IV

Stardock Entertainment announced today Expansion Pass 2 for the acclaimed space 4X strategy game Galactic Civilizations IV. The first content drop, "Tales of the Terran Alliance," will launch December

Feb 27, 2025
GalCiv IV Releases New DLC and Free Update

Tales of the Arnor DLC Play as a new machine race civilization, discover the history of the Yor and Iconians in a new campaign, and experience new in-game event content Prepare to delve into the Galax

Dec 10, 2024
Galactic Civilizations IV: Megastructures Expansion Now Out

Acclaimed 4X strategy title adds colossal structures that create new conflict and diplomatic opportunities for late-game empires https://store.steampowered.com/app/1357210/Galactic_Civilizations_IV/ h

Aug 15, 2024
NOW OUT: Sins of a Solar Empire II

Empires will rise and fall as Sins of a Solar Empire II is now available to purchase on Steam. A new era begins as the sequel to one of the most beloved strategy titles of all time releases today on S

Feb 20, 2024
Update Notes for February 20, 2024

Launcher update: Added support for The Political Machine 2024.

Games like Galactic Civilizations III

From our knowledge graph — ranked by shared traits, not a black box. Each card says why it's here.

Galactic Civilizations® II: Ultimate Edition Galactic Civilizations® II: Ultimate Edition 78.2% · 1,274 reviews shares 4x, Grand Strategy, Moddable, Aliens Age of Wonders: Planetfall Age of Wonders: Planetfall 79.5% · 3,828 reviews shares 4x, Hex Grid, Aliens, Turn Based Shadow Empire Shadow Empire 83.2% · 1,545 reviews shares 4x, Hex Grid, Grand Strategy, Aliens Galactic Civilizations IV Galactic Civilizations IV 73.1% · 1,838 reviews shares 4x, Hex Grid, Grand Strategy, Moddable ENDLESS™ Space 2 ENDLESS™ Space 2 81.9% · 12,476 reviews shares 4x, Grand Strategy, Moddable, Turn Based Interstellar Space: Genesis Interstellar Space: Genesis 84.7% · 706 reviews shares 4x, Grand Strategy, Turn Based, War ENDLESS™ Space - Definitive Edition ENDLESS™ Space - Definitive Edition 79.3% · 5,885 reviews shares 4x, Grand Strategy, Aliens, Turn Based Old World Old World 84.1% · 4,221 reviews shares 4x, Hex Grid, Grand Strategy, Moddable

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-05-20.

GenresStrategy
Player tagsAliens · Sci-fi · 4X · Turn-Based Strategy · Sandbox · 3D · Grand Strategy · Moddable · Hex Grid · PvE · Strategy · PvP (SteamSpy community voting)
FeaturesSingle-player · Multi-player · PvP · Online PvP · Co-op · Online Co-op · Steam Achievements · Steam Trading Cards
LanguagesEnglish * , French, German, Russian *
Achievements102
Estimated owners1,000,000 – 2,000,000 (SteamSpy)
Official sitehttps://www.galciv3.com/
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: 64-bit Windows 10 / 8.x / 7 Processor: 1.8 GHz Intel Core 2 Duo / AMD K10 Dual-Core Memory: 4 GB RAM Graphics: 512 MB DirectX 10.1 Video Card (AMD Radeon HD5x00 Series / Nvidia GeForce 500 Series / Intel HD 4000 or later) DirectX: Version 10 Network: Broadband Internet connection Storage: 12 GB available space Sound Card: DirectX Compatible Sound Card