Steam app 226860 · updated 12 Sep 2026, 19:00 UTC
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.
720 hourly samples, with the daily peak drawn over them. Weekends are shaded.
151 months, March 2014 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.
The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.
31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.
31 days as the curve, each the highest figure that day. Behind it, 437 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.
12 days as the curve, each the highest figure that day. Behind it, 283 hourly samples. Each dip is a night. Weekends are shaded.
Galactic Civilizations III was released on 14 May, 2015.
| Language | Full audio |
|---|---|
| English | ● |
| French | |
| German | |
| Russian |
A blank audio cell means full audio was not marked in the returned language list.
Teaser Trailer
Watch on Steam
Galactic Civilizations III: Crusade Trailer
Watch on Steam
Campaign Introduction Trailer
Watch on Steam102 achievements in total.
50 developer announcements, Apr 2018 to Sep 2026 · times in UTC
Up to 75% off Galactic Civilizations titles during the 2026 Publisher SaleView Entire SaleNewly Released:Galactic Civilizations IV deals:Galactic Civilizations III deals:Other Galactic Civilizations deals:View Entire Sale
wasabi_mdStardock 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 4, 2025. This new expansion focuses on…
[SD] redskittlesonlyTales 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 Galaxy’s greatest mysteries and the rise of a…
[SD] redskittlesonlyAcclaimed 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/…
[SD] redskittlesonlyEmpires 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 Steam with new dynamic maps, deeper…
[SD] redskittlesonlyLauncher update: Added support for The Political Machine 2024.
Patch notesChart your course to stellar dominance in Galactic Civilizations III with our comprehensive game guides. Whether you're a seasoned space commander or a rookie explorer, our expert strategies will navigate you through the cosmos. Unveil the…
[SD] redskittlesonlyStardock’s award-winning turn-based strategy game series gets its biggest release ever Stardock announced the release of Galactic Civilizations IV: Supernova Edition (Supernova) today. Stardock is celebrating its 30-year anniversary this…
[SD] redskittlesonlyLauncher update for Galactic Civilizations IV.
Patch notesThe latest entry in our award-winning space turn-based strategy game, Galactic Civilizations IV: Supernova Edition, will launch on October 19, 2023 The release will coincide with Stardock’s 30-year anniversary. Beginning shortly after…
[SD] redskittlesonlyJust a launcher update to replace some graphics files.
Patch notesAs many of you know, the GalCiv III Elite Founders had the ability to name their own star in game. We wanted to extend a similar offer to our beloved fans of GalCiv IV: Supernova Edition through this contest, where up to 100 lucky winners…
[SD] redskittlesonlyGalactic Civilizations IV: Supernova Edition now available in early access Early Access adds ChatGPT integration: AlienGPT https://youtu.be/rA_b-H7xuow Stardock has released the latest sequel of its award-winning space strategy game series…
[SD] redskittlesonlyVersion 4.52 Change Log Fixes Typo fixes Fixed a hang going into the diplomacy screen Crusade: Fixed the Promethion cost on the Industrial Replicator improvement Crusade: Fixed the Spice cost on the Dream Conclave improvement Balance…
Patch notesGreetings, Galactic Civilizations III fans! Our latest update is out of opt-in and is now available for you. See Lord Kona smiling up there? Yeah, he's excited, too. {STEAM_CLAN_IMAGE}/5819003/a14eb97e0219da148110ef814c2e188f84cd00fd.png In…
[SD] redskittlesonlyGreetings, galactic conquerers! Our v4.51 update for Galactic Civilizations III is out of opt-in and fully released today. For full release details, make sure to check the changelog at the bottom of the post. Thanks so much to everyone who…
[SD] redskittlesonlyGalactic Civilizations III v4.5 Update Improves AI, Early Game, Diplomatic Trades, and More Full changelog here {STEAM_CLAN_IMAGE}/5819003/ecbe99870f1d54931f7a63bcceb9dcff7e11029c.png v4.5 makes some updates that help get your early game…
[SD] redskittlesonlyAI and Map Density Get Update 4.21 also brings a number of long requested balance updates. What players will probably notice the most, however is how much better the AI is at putting together fair trade offers. This may only merit a single…
[SD] redskittlesonlyThis small update resolves some issues with using non-English versions of the game not displaying characters properly. It also updates the in-game version string.
Patch notesStardock released a v4.2 update today for Galactic Civilizations III, its massive space sandbox 4X strategy game. The update has taken a large amount of community feedback into account as it works to address the game’s balance.…
YarlenGalactic Civilizations III's next update is now in opt-in and ready to test out! Players can expect tons of improvements and user requested changes, check them out below…
[SD] redskittlesonlySmall hotfix to correct installation errors for users who don't own the Crusade expansion.
Patch notesStardock is pleased to announce the release of version 4.01 for its hit 4X strategy game, Galactic Civilizations III. This update contains crash fixes, AI fixes and language updates for German and Russian players. Version 4.01 Change Log…
YarlenGalactic Civilizations III 5th Anniversary Update and Worlds in Crisis DLC are Now Available Experience new world crises, planet types and traits, plus visual and balance improvements with v4.0 https://store.steampowered.com/app/1277830…
[SD] redskittlesonlyGalactic Civilizations III: Worlds in Crisis and Major v4.0 Update Announced Experience new world crises, planet types and traits, plus visual and balance improvements with v4.0…
[SD] redskittlesonlyWe are on the road to v4.0. It's hard to believe that GalCiv III was released nearly five years ago. We've made a lot of changes since then. Version 4.0 is being designed to bring a ton of new features, we won't go over all the changes here…
[SD] redskittlesonlyI found a magic planet. {STEAM_CLAN_IMAGE}/5819003/dec5a454ce817ca49f6709cf8fb17c2c0eade90e.png It’s not that it is a class 20 planet – it only started as a class 14 and I’ve upgraded it since. It is that it had 6 fertile tiles with 5 of…
[SD] redskittlesonlyWe are happy to release a patch that improves planet visuals, improves gameplay, and fixes bugs. Read below for details. Change Log Planets The planetary map generation system now prefers placing tiles near the equator. The result is fewer…
Yarlen{STEAM_CLAN_IMAGE}/5819003/89d63faf48167302f5a0f9bc18e6848a75001ce7.pngWe have analyzing gameplay data we receive as well as looking at saved games from players (thanks to all who send them) and incorporating improvements into what is…
DraginolWe are pleased to let you know about the exciting changes in v3.95 of Galactic Civilizations III. This is a big one so stand back! Gameplay New game option: On Surrender, transfer all planets. Defaults to OFF New game option: No FOW in your…
YarlenStar Control: Origins villains come to Galactic Civilizations III in exciting new DLC New Alien Civilizations bring their own ship styles, unique race traits, diplomatic quirks, AI personalities, and more! The Villains of Star Control…
IslandDogLast year we released Heroes of Star Control: Origins, and it proved to be so successful that we're following it up with Villains of Star Control: Origins DLC. The DLC arrives on August 27th and comes with 4 new playable races, each with…
IslandDogPLAY FREE ON STEAM THIS WEEKEND ONLY Also save 84% for a limited time!* 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…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/28974/2ddedf80b95f04f9bd9306686083bbb553ccf083.png Galactic Ascension Status is new in v3.8 for GalCiv III. Our VP of Entertainment, Derek Paxton, decided to sit down and…
IslandDogGalactic Civilizations III v3.8 Update Brings Major UI Changes Set in the 23rd century, Galactic Civilizations III is a 4X space strategy game where humans and aliens compete against each other for domination of the galaxy. v3.8 brings a…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/5819003/39704d0ff030f85c7942252f7daf907dd224d7ae.png We're putting the touches on v3.8. From here on out, a lot of our effort is going to be on features that improve the…
DraginolGalactic Civilizations III v3.7 Anniversary Update Focuses Exclusively on Fan Requests For a limited time, save 85% on Galactic Civilizations III and 70% on the Gold Edition For the game's 4th anniversary, we've focused exclusively on a…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/5819003/39704d0ff030f85c7942252f7daf907dd224d7ae.png We are putting the final touches on Galactic Civilizations III v3.7. When we first announced the Retribution expansion…
DraginolImproved custom ship mod compatibility, commonwealth world adjustments, and more! Galactic Civilizations III v3.6 Community Update improves custom ship mod compatibility, adjusts commonwealth worlds, and more We're launching a version…
[SD] redskittlesonlyThe expansion includes Hypergates, Precursor Artifacts, New Civilizations, and more. Check out the release trailer here: Save 10%* on Retribution and 70%** on the Base Game!…
[SD] redskittlesonlyGalactic Civilizations III: Retribution arrives on February 21 Also check out the world premiere trailer for Galactic Civilizations III’s biggest expansion yet. The expansion to the massive space strategy game adds new civilizations…
[SD] redskittlesonlyGreetings! We are working on the next free update to Galactic Civilizations III right now. Mostly it's quality of life improvements as recommended by players. A few highlights include a repeat-button for planetary projects, additional…
DraginolHypergates, Artifacts, new campaigns and new civilizations arrive this Winter. https://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/28974/6c6ab882dcd86e5310ff2a82ba788ef36440176c.jpg What started as a crusade has become a war…
[SD] redskittlesonlyAdjustments to personality traits for factions and AI decisions are among improvements Galactic Civilizations III v3.2 takes faction personality traits into account, improves game AI, and more…
[SD] redskittlesonlyPlays as some of your favorite Star Control: Origins races with new traits, leaders, music and more New Alien Civilizations bring their own ship styles, unique race traits, diplomatic quirks, AI personalities, and more! Check out the…
[SD] redskittlesonlyhttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/28974/5eba8e36bf457620049b735858a9b0f7cfc309d4.png Happy Fall, everyone! The Galactic Civilizations III team has been working on some updates and adjustments to the core…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/5819003/f9911846b4c25596bc359441499caac9b0f21d81.jpg Happy Anniversary, Galactic Civilizations III! The story of Galactic Civilizations has been around for 24 years - can…
IslandDogGalactic Politics and Government Have Arrived in Galactic Civilizations III: Intrigue https://youtu.be/2YvGrQjR0NE Galactic Civilizations III is one of the largest strategy sandboxes ever made. Start with a single world and expand across…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/5819003/68d6ac4e1a54ea573618c01027f2fd38cbf7e7a0.jpg Uh, captain? We have an incoming transmission from the Yor. They say they want to explain to us why they're superior to…
IslandDoghttps://steamcdn-a.akamaihd.net/steamcommunity/public/images/clans/5819003/68d6ac4e1a54ea573618c01027f2fd38cbf7e7a0.jpg Uh, captain? We have an incoming transmission from the Yor. They say they want to explain to us why they're superior to…
IslandDogEverything Steam lists as add-on content for this game, newest first. Prices are left out on purpose: the store answers this page in one currency and it is not the reader's.
What Steam runs, and with what. Straight from the app configuration.
| Description | Executable | Arguments | Platform | |
|---|---|---|---|---|
| Launch | StardockLauncher.exe | any |
The folders Steam Cloud syncs. The root is a token Steam uses for a location on your own machine, not a path this page can know.
| Root | Folder | Files |
|---|---|---|
WinMyDocuments | My Games/GalCiv3/Saves | *.na |
It runs on public data and somebody's spare time.
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