ModsGalactic Civilizations IV
Galactic Civilizations IV mods
A mod changes the game itself. It needs something to load it, it may need other mods first, and it only works on the versions its author built it for.
1,740 mods, most downloaded first · newest update 1 Oct 2026
All Ships903Civilizations525Medium Ships185Tiny Ships162Large Ships147Small Ships143Huge Ships142All Phenotypes119Ship Styles100Cargo Ships71Humanoid56Starbases52Cybernetic19
- Imperial Security Bereau Styleby 76561198816571131Imperial Security Bereau Style960 downloadsupdated 3 y ago
- Aliensby davidevilthe xenomorphs are not sapient toolmakers—they lack a technological civilization of any kind, and are instead primal, predatory creatures with no higher goal than the preservation and propagation of their own species by any means necessary, up to and including the elimination of other lifeforms t...940 downloadsupdated 2 y ago
- Purrfect Unityby BATTLEMODEPurrfect Unity, a faction of alluring feline warriors, embody bravery and unity, fighting passionately for justice in their quest to protect the galaxy from imminent threats. Perfect for weebs and nekomimi lovers everywhere.932 downloadsupdated 3 y ago
- EFF-BB-64 Wisconsinby RED-0712아이오와 급 4번 위스콘신 전함924 downloadsupdated 3 y ago
- United Federation of Planetsby shadowdmThe United Federation of Planets is an alliance of diverse species united by shared ideals of peace, exploration, and cooperation. Guided by principles of diplomacy and scientific progress, they strive to build a just and enlightened galactic society. (Star Trek Universe)914 downloadsupdated 15 mo ago
- Protoss Empireby 76561198816571131Place civilization description here.898 downloadsupdated 3 y ago
- Stormwing Dominionby xRecoilXLxThe Stormwing Dominion boasts majestic Dragonrider Queens, adorned with magnificent featheredwings. Guided by ancient traditions, they rule with grace and wisdom, soaring through the cosmos in their quest for supremacy.888 downloadsupdated 3 y ago
- Ba'alby John SheppardBa'al landed in a parallel dimension using his machine on Praxyon. He is the last Grand Master and has the unwavering desire to rebuild the Goa'uld empire, especially with the few jaffa and vassals who followed him in this adventure. Its power lies in a totalitarian regime and a strategy focused...879 downloadsupdated 4 mo ago
- Negator Battlecruiserby Omnibus878 downloadsupdated 3 y ago
- Samurai Star Clanby tcpipnut---------> Includes 30 citizen portraits <--------- In the vast expanse of the cosmos, there exists a formidable race of warriors known as the Samurai Star Clan. Descendants of Earth's legendary Sengoku period samurai, they have adapted to the rigors of space while preserving the ancient Bushido...874 downloadsupdated 3 y ago
- D'deridex Classby SmershSlightly updated version with new nacelles870 downloadsupdated 3 mo ago
- I.S.S. Dissentby OmnibusTerran Heavy Battleship863 downloadsupdated 3 y ago
- New Republic-Light Carrier Classby starmacBattleship class light carrier.844 downloadsupdated 3 y ago
- The Sith Orderby davidevilThe Sith Order is depicted as an ancient cult of warriors who draw strength from the dark side of the Force and use it to seize power by any means necessary, including terrorism and mass murder; their ultimate goals are to destroy the Jedi and rule the galaxy.835 downloadsupdated 2 y ago
- Klingon Empireby shadowdmThe Klingon civilization is a proud and warlike society built on a foundation of honor, loyalty, and strength. Governed by the High Council and powerful Great Houses, Klingon culture prizes combat, ritual, and ancestral legacy above all else. Warriors are revered, and battle is not only a means o...829 downloadsupdated 15 mo ago
- D7 Classby Smersh826 downloadsupdated 23 mo ago
- Predatorsby davidevilPredator culture revolves around the hunting and stalking of dangerous lifeforms. After making a kill, Predators typically skin or decapitate the carcass, converting it into a trophy. If immobilized or at the brink of death, a hunter will activate the mass-explosive self-destruct-mechanism in his...814 downloadsupdated 2 y ago
- Chimeraby JamiteLong ago, deities of anicent Greek departed from Earth taking a colony of worthy humans with them among the stars. After a few millenniums of thriving upon a blue paradise world, these evolved humans has answered the divinity call to reach for the stars once more.811 downloadsupdated 3 y ago
- First Onesby CouncilWorkerThe First Ones are an enigma, an ancient race dating back to when the Milky Way was young, or so they claim. Humanoid machines with a some what cold and logical way, that is until you get to known them. (Ah my first CG3 race now with a new look avatar... just need all the parts to make their fleet!)804 downloadsupdated 3 y ago
- Protoss Empire Styleby 76561198816571131Protoss Empire Style794 downloadsupdated 3 y ago
- Spacedock (huge hull)by SmershIf the starbase hull version of this build doesn't work you can sub this huge hull version and in the ship designer save it as a starbase. You should then be able to select it in the starbase tab of the fleet customisation page of your custom civ. Or, just fly it around as a massive ship791 downloadsupdated 21 mo ago
- Vulcan Republicby shadowdmThe Vulcan civilization is built on logic, discipline, and scientific advancement. Once ruled by emotion and conflict, they followed Surak’s teachings to embrace reason and achieve peace. Guided by intellect and principle, Vulcans value knowledge, order, and calculated diplomacy. (Star Trek Unive...767 downloadsupdated 15 mo ago
- Glania Coalitionby TorukazeOutcasted and long forgotten by Terran Alliance outer colonies decide to united as one and created the Glania Coalition.758 downloadsupdated 3 y ago
- New Republic-B-Wingby starmacNew Republic Cruiser class updated B-Wing755 downloadsupdated 3 y ago
- The Ori Styleby 76561198816571131The Ori Style746 downloadsupdated 3 y ago
- Vorlon Empireby shadowdmThe Vorlon civilization is an ancient, enigmatic race of powerful beings shrouded in secrecy and mysticism. Believed to be millions of years old, they operate through bio-mechanical encounter suits and rarely reveal their true forms. Obsessed with order and control, the Vorlons manipulate younger...736 downloadsupdated 15 mo ago
- Naxari Eclipseby BATTLEMODEThe Naxari Eclipse, a race of blue-skinned beings with integrated cybernetics, prioritize scientific and cultural advancement over conflict in their quest for galactic influence. The Naxari were created to highlight the new custom Species editing feature available with the Species Pack. The Naxar...733 downloadsupdated 2 y ago
- Adeptus Mechanicus Style-Supernoby BellicoseBolterAdeptus Mechanicus Style-Supernova. Updated so 3 of Each class is properly represented.726 downloadsupdated 2 y ago
- Vulpineby LuckyFoxDer Fuchs ist ein faszinierendes Wesen, das sich durch seine Anpassungsfähigkeit und seinen fortschrittlichen Geist auszeichnet. Seine Schlauheit und soziale Natur machen ihn zu einem geschätzten Mitglied seiner Gemeinschaft. Mit einer beeindruckenden Beobachtungsgabe kann er leicht Muster erkenn...724 downloadsupdated 2 y ago
- Eradicron Hiveby TurbulanceThe Eradicron Hive, a relentless force in the galactic race for dominance, embodies the voracious hunger and unyielding nature of ant lions, consuming all in their path.721 downloadsupdated 3 y ago
- Divine Seraphimby VARCODE*This Custom Civ have custom portraits generated by AI - Lore (generated by In-game AI) : The Divine Seraphim, an all-female civilization of faithful clerics, harness the power of unwavering belief in their quest for dominance. Will their devotion be enough to conquer the stars?704 downloadsupdated 3 y ago
- Heirs of Earth the Post-Apoc Humanityby 76561198356274387After decades of regional war, civil wars, and intercontinental war proliferated during the early 21st century on Earth, an awakening would occur. The old hierarchy was eradicated and soon after humans would advance and prosper like never before. The awakening would reveal and expose the bread an...691 downloadsupdated 3 y ago
- The Galactic Empireby BellicoseBolterThe Galactic Empire is an autocratic regime led by Darth Vader and Emperor Palpatine of the Sith. Whether through fear, cunning, or brutality, nothing will stop the imperial march power and dominion over the galaxy. Please note there is a ton of star wars ships to fill up a custom fleet style in...684 downloadsupdated 2 y ago
- Ahsoka Tanoby John SheppardWhile searching for Admiral Thrawn, a spatial anomaly sent Ahsoka's ship to a distant galaxy. Being stuck with a contingent of the New Republic, Ahsoka then makes it her mission to establish peace in this unknown galaxy. Ashoka places great importance on culture and influence to convey messages o...679 downloadsupdated 4 mo ago
- New Galactic Empire Styleby wolfrider29New Galactic Empire Style678 downloadsupdated 3 y ago
- Goa'uld Styleby 76561198816571131Goa'uld Style666 downloadsupdated 3 y ago
- Ferengi Allianceby shadowdmThe Ferengi civilization is built around the pursuit of profit. Every part of their society—government, diplomacy, even family—is governed by commerce and the *Rules of Acquisition*. Cunning, opportunistic, and ambitious, the Ferengi value wealth above all and see every interaction as a transacti...661 downloadsupdated 15 mo ago
- B'rel Class Scoutby SmershTiny hull version of the B'rel for scouts and fighters656 downloadsupdated 20 mo ago
- Pirate Lord Assemblyby ChaosOperatorThe Pirate Lord Assembly is a coalition of daring space pirates who fight for their freedom and democracy. Led by a council of experienced pirate captains, they raid enemy ships and planets to gain power and resources.641 downloadsupdated 3 y ago
- The Klingon Empireby ArdoniaThe Klingons, known as fierce warriors seeking honor and conquest, boasts a relentless pursuit of victory and expansion in the galaxy.632 downloadsupdated 2 y ago
- Shadowsby shadowdmThe Shadows are an ancient, enigmatic civilization that believes chaos and conflict are essential for growth. From their dark world of Z’ha’dum, they manipulate younger races into war to accelerate evolution. Shunning direct communication, they operate through telepathic proxies and biomechanical...630 downloadsupdated 15 mo ago
- I.S.S. Victoryby OmnibusTerran Flagship625 downloadsupdated 3 y ago
- I.S.S. Infamousby OmnibusMirror Niagara Class Refit Cruiser617 downloadsupdated 18 mo ago
- Cardassian Unionby shadowdmThe Cardassian Union is a militarized authoritarian regime driven by order, loyalty, and national strength. Governed by a central authority and the secretive Obsidian Order, Cardassian society values discipline, surveillance, and strategic dominance. Forged by hardship, they pursue unity and powe...617 downloadsupdated 15 mo ago
- Elysian Seraphsby Marvel97goElysian Seraphs, a formidable faction on the galactic stage, consists of fierce female warriors who excel in empathetic connections, interstellar trade, and embrace a nihilistic philosophy.611 downloadsupdated 3 y ago
- Borg Collective (Exodus)by JamiteBorg Collective (Exodus)610 downloadsupdated 4 mo ago
- Space Orks of Bad Moonby davidevilOrks do not fear death, and combat is the only thing that gives them emotional fulfillment.610 downloadsupdated 2 y ago
- Whiskered Unityby Devine-WrathWhiskered Unity, known as the "Slim Covered Kittens of Friendship," is a peaceful yet fiercely protective faction, promoting unity and cooperation while defending their territories against all threats.602 downloadsupdated 3 y ago
1.7k mods, most downloaded first. Each one has its own page here with what it needs to run and where its author publishes it; the files themselves stay with the author and are never re-hosted on this site.