IMHO.

Games like Galactic Civilizations III

If Galactic Civilizations III is your kind of game, the closest matches are Sid Meier's Civilization®: Beyond Earth™, Warhammer 40,000: Gladius - Relics of War and Galactic Civilizations IV — picked from the ranked list below. Reviewers single out its grand scale galactic conquest, challenging and contemplative. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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Galactic Civilizations III is a grand strategy game released in 2015 by Stardock Entertainment. Players build empires through faction diplomacy, planetary management, and the use of spy networks, navigating a galaxy connected by hyperlane travel. Ship customization serves as a core strategic element, allowing players to design vessels that reflect their approach to conquest and survival. Reviewers highlight the accessible-yet-deep 4X mechanics, while players describe the experience as epic and contemplative, finding grand-scale galactic conquest compelling across a massive campaign. The game holds a Metacritic score of 81 and maintains a 78% positive rating from over 6,500 Steam reviews. It is marked as playable on Steam Deck and priced at $29.99 USD.

About 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.

2015Strategy29.99 USDDeck PlayableMetacritic 81Windowsby Stardock Entertainment
Galactic Civilizations III — Steam game cover
Players highlight
Accessible yet deep 4x mechanicsAi behavior feels erratic and punishingGrand scale galactic conquestChallengingContemplativeEpic

Players who liked Galactic Civilizations III also play

Steam players who put hours into Galactic Civilizations III also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Sid Meier's Civilization®: Beyond Earth™

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Top pick for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Sid Meier’s Civilization: Beyond Earth is a new science-fiction-themed entry into the award winning Civilization series. As part of an expedition sent to find a home beyond Earth, lead your people into a new frontier, explore and colonize an alien planet and create a new civilization in space.

    2014Strategy9.99 USDSteam ↗
  2. Warhammer 40,000: Gladius - Relics of War

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Second-strongest match for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Warhammer 40,000: Gladius – Relics of War brings you to a world of terror and violence. Four factions will engage in a brutal war for dominance over the planet’s resources. In the first turn-based 4X strategy game set in Warhammer 40,000 you will lead one of four unique factions.

    2018Strategy39.99 USDDeck PlayableSteam ↗
  3. Galactic Civilizations IV

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Third-strongest match for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

    2023StrategySimulation39.99 USDSteam ↗
  4. Oriental Empires

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Ranked #4 for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Turn based 4X strategy game, recreating the civilizations of ancient China. Develop your land, build great cities, raise huge armies and fight epic battles, with hundreds of soldiers fighting right on the game map. Advance your technologies, culture and religion to create one of mankind’s biggest empires.

    2017StrategyIndieSimulation29.99 USDDeck PlayableSteam ↗
  5. Pandora: First Contact

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Ranked #5 for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Pandora: First Contact is a science fiction 4X turn-based strategy game on a planetary scale. Our Earth has been exhausted and colonial attempts on other planetary bodies have been in vain. Finally, after decades of exploration, an interstellar probe has brought promise of a new world.

    2014StrategySimulation29.99 USDSteam ↗
  6. ENDLESS™ Legend

    WHY THIS

    Shares a contemplative mood with Galactic Civilizations III.

    Ranked #6 for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    ENDLESS™ Legend is a 4X turn-based fantasy strategy game by the creators of ENDLESS™ Space and Dungeon of the ENDLESS™. Control every aspect of your civilization as you struggle to save your homeworld Auriga. Create your own Legend!

    2014StrategyRPG29.99 USDDeck PlayableSteam ↗
  7. Galactic Civilizations® II: Ultimate Edition

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Ranked #7 for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

    2011StrategyIndie9.99 USDSteam ↗
  8. Shadow Empire

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Ranked #8 for Galactic Civilizations III fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Galactic Civilizations III.

    Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.

    2020StrategySimulationRPG39.99 USDSteam ↗

Reviewers mention these as similar to Galactic Civilizations III

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. Stellaris

    WHY THIS

    Shares a grand mood with Galactic Civilizations III.

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Explore a galaxy full of wonders in this sci-fi grand strategy game from Paradox Development Studios. Interact with diverse alien races, discover strange new worlds with unexpected events and expand the reach of your empire. Each new adventure holds almost limitless possibilities.

    2016StrategySimulation9.99 USDDeck PlayableSteam ↗
  2. Master of Orion 2

    WHY THIS

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Forge an empire in a universe where population growth is stripping away planetary resources. Colonize unknown planets and trade with other races for their knowledge.

    2016Strategy5.99 USDSteam ↗
  3. Master of Orion

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    The ascendant spacefaring 4X strategy game returns! A new chapter in the epic Master of Orion saga is poised to once again capture the imaginations of millions of gamers.

    2016Strategy24.99 USDDeck PlayableSteam ↗
  4. Stars in Shadow

    WHY THIS

    Shares ship customization and a contemplative mood with Galactic Civilizations III.

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Stars in Shadow is a turn-based 4X strategy game and a vivid tribute to the genre classics. Compete with alien factions to explore and colonize nearby starsystems, build fleets to defend against rivals, negotiate or conquer them. Win by unifying the galaxy, through diplomacy or force.

    2017StrategyIndie4.49 USDSteam ↗
  5. ENDLESS™ Space 2

    WHY THIS

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    ENDLESS™ Space 2 is a Strategic Space Opera, featuring the compelling “just one more turn” gameplay, set in the mysterious ENDLESS™ Universe. As the leader of your civilization, will you impose your vision and build the greatest stellar empire?

    2017Strategy39.99 USDDeck PlayableSteam ↗
  6. Galactic Empire

    WHY THIS

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Galactic Empire is a 2D turn-based strategy game where you, as the Commander, decide the fate of the entire universe. Expand your planet, explore solar systems, play cards in cantinas, modify your ships and conquer more planets.

    2023StrategyIndieSimulation24.99 USDDeck VerifiedSteam ↗
  7. Stargate: Timekeepers

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Stargate: Timekeepers is a real-time tactics game where you lead a team of specialists through a story-driven campaign set in the SG-1 universe. Sneak your characters behind enemy lines, use their unique skills, craft the perfect plan to unravel a timeloop mystery, and defeat the Goa’uld threat.

    2024Strategy29.99 USDDeck PlayableSteam ↗
  8. Galactic Civilizations® II: Ultimate Edition

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Reviewers of Galactic Civilizations III cross-mention this title as a similar play. Shares Strategy with Galactic Civilizations III.

    Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

    2011StrategyIndie9.99 USDSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Galactic Civilizations III at current Steam store prices.

  1. Bloons TD 6

    WHY THIS

    Priced ~53% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    The Bloons are back and better than ever! Get ready for a massive 3D tower defense game designed to give you hours and hours of the best strategy gaming available.

    2018Strategy13.99 USDDeck PlayableSteam ↗
  2. Balatro

    WHY THIS

    Priced ~60% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    The poker roguelike. Balatro is a hypnotically satisfying deckbuilder where you play illegal poker hands, discover game-changing jokers, and trigger adrenaline-pumping, outrageous combos.

    2024StrategyIndieCasual11.99 USDDeck VerifiedSteam ↗
  3. Don't Starve Together

    WHY THIS

    Priced ~50% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    Fight, Farm, Build and Explore Together in the standalone multiplayer expansion to the uncompromising wilderness survival game, Don't Starve.

    2016ActionStrategyIndie14.99 USDDeck VerifiedSteam ↗
  4. Sid Meier's Civilization® V

    WHY THIS

    Priced ~75% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    Create, discover, and download new player-created maps, scenarios, interfaces, and more!

    2010Strategy7.49 USDDeck PlayableSteam ↗
  5. Slay the Spire

    WHY THIS

    Priced ~79% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  6. Inscryption

    WHY THIS

    Priced ~73% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  7. Cookie Clicker

    WHY THIS

    Priced ~83% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  8. FTL: Faster Than Light

    WHY THIS

    Priced ~67% under Galactic Civilizations III on Steam right now. Shares Strategy with Galactic Civilizations III.

    This "spaceship simulation roguelike-like" allows you to take your ship and crew on an adventure through a randomly generated galaxy filled with glory and bitter defeat.

    2012StrategyIndieSimulation9.99 USDDeck PlayableSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. The Lab

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeSteam ↗
  2. Landfall Archives

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Civilizations III.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeSteam ↗
  3. Die in the Dungeon: Origins

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Civilizations III.

    Fight your way through a mysterious dungeon in this deck-building, turn-based roguelike game where you don't use cards, but DICE! Deal with enemies by combining dice on your board, boost their effects with magical relics, and discover the story behind Die in the Dungeon!

    2023StrategyIndieRPGFreeDeck VerifiedSteam ↗
  4. South Scrimshaw, Part One

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

    2023IndieCasualFreeDeck PlayableSteam ↗
  5. The Riftbreaker: Prologue

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Strategy with Galactic Civilizations III.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableSteam ↗
  6. SCP – Containment Breach

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    A procedural first-person horror adventure. You are on your own after something goes terribly wrong in this top-secret containment facility. Collect items to aid in your escape and try to uncover the truth, as horror lurks behind every door. Can you make it out alive?

    2026ActionIndieAdventureFreeDeck PlayableSteam ↗
  7. Counter-Strike 2

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  8. Tom Clancy's Rainbow Six Siege

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.

    2015ActionFree To PlayFreeSteam ↗

More from Stardock Entertainment

Other recommendable Steam games by Stardock Entertainment, ranked by review count so the studio's hits land first.

  1. Sins of a Solar Empire®: Rebellion

    WHY THIS

    Shares a grand mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Command a space-faring empire in Sins of a Solar Empire: Rebellion, the new stand-alone expansion that combines 4X depth with real-time strategy gameplay.

    2012ActionStrategyIndie19.99 USDSteam ↗
  2. Sins of a Solar Empire II

    WHY THIS

    Shares a challenging mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Battle for galactic dominance in this real-time 4X strategy game with unrivaled scale! You’ll explore, expand, exploit, and exterminate through military force, diplomacy, trade, culture, influence, and other underhanded tactics.

    2024StrategySimulation49.99 USDDeck PlayableSteam ↗
  3. Ashes of the Singularity: Escalation

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    A massive-scale real-time strategy game where you command entire armies on a dynamic battlefield. Conquer multiple worlds across several single-player campaigns; or play with your friends in multiplayer combat.

    2016StrategySimulation29.99 USDDeck PlayableSteam ↗
  4. Galactic Civilizations IV

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Take command of a civilization that has just achieved faster-than-light travel in Galactic Civilizations IV, the newest entry in the award-winning space 4X strategy game series. Explore the galaxy, colonize worlds, shape cultures, make alliances, fight wars and pioneer new technologies.

    2023StrategySimulation39.99 USDSteam ↗
  5. Star Control®: Origins

    WHY THIS

    Shares faction diplomacy and ship customization with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III.

    Star Control is a space role-playing game in which you command Earth's first interstellar starship on a mission to save the Earth from hostile alien empires.

    2018ActionAdventureSimulation19.99 USDSteam ↗
  6. Fallen Enchantress: Legendary Heroes

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Fallen Enchantress is 4X strategy game from the makers of Sins of a Solar Empire and Galactic Civilizations. Build a civilization in the magical world of Elemental. Recruit heroes, train armies, build cities, forge alliances and save the world in this rich world where it's never the same game twice.

    2013StrategyIndieRPG24.99 USDSteam ↗
  7. Galactic Civilizations® II: Ultimate Edition

    WHY THIS

    Shares an epic mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Get the complete GalCiv II saga including Galactic Civilizations II: Dread Lords, the expansion pack Dark Avatar, and the newest expansion pack Twilight of the Arnor!

    2011StrategyIndie9.99 USDSteam ↗
  8. The Political Machine 2020

    WHY THIS

    Shares a contemplative mood with Galactic Civilizations III.

    Another title from Stardock Entertainment, the studio behind Galactic Civilizations III. Shares Strategy with Galactic Civilizations III.

    Win the hearts and minds of America’s voters and take the 2020 presidential election by storm in Stardock’s popular political strategy game. Choose a candidate and run against a computer opponent or a candidate controlled by another person over the Internet.

    2020StrategyIndieSimulationDeck PlayableSteam ↗

Frequently asked about Galactic Civilizations III

Does Galactic Civilizations III run on Steam Deck?
Galactic Civilizations III is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does Galactic Civilizations III cost?
Galactic Civilizations III is listed on Steam at 29.99 USD (current store price; Steam sales may reduce this temporarily).
Does Galactic Civilizations III have multiplayer or co-op?
Yes — Galactic Civilizations III supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Online Co-op).
What games are most similar to Galactic Civilizations III?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Galactic Civilizations III are Sid Meier's Civilization®: Beyond Earth™, Warhammer 40,000: Gladius - Relics of War, Galactic Civilizations IV.
Who developed Galactic Civilizations III?
Galactic Civilizations III was developed by Stardock Entertainment.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Galactic Civilizations III.

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