Games like Galaxy Union

Chasing that competitive and replayable feeling you got from Galaxy Union? These games make natural next picks for you.

Prosperous Universe
Run your own spacefaring company in a player-driven economy. It moves in real time, so a few smart decisions a day go a long way. No combat, no grind: just business, and plenty of it.
Competitive, Replayable
72% of 1,118 Steam reviews are positivePlayers online now: 25Free
X4: Foundations
You start with one ship and a whole galaxy that does not wait for you. Trade, fight, explore and build your way up to fleets, stations and production chains, in a simulated universe where factions keep trading and fighting with or without you.
Replayable
79% of 25,605 Steam reviews are positivePlayers online now: 2,238$9.99
Offworld Trading Company
In this fast-paced economic strategy game you build a company, corner resource markets and buy out your rivals before they buy you. No armies, no shooting: just you, a volatile market and up to seven other tycoons.
Competitive, Replayable
77% of 3,607 Steam reviews are positivePlayers online now: 35
Star Traders: 4X Empires
Take command of humanity’s last survivors and rebuild an empire in the stars. In this immersive turn-based strategy game, you will have to fight to protect your people, control rival factions, and unlock lost technology.
Replayable
61% of 61 Steam reviews are positive$9.99
After the Empire
Build a galaxy-spanning machine empire! Bend galactic geography to your will to seize hundreds of territories with Fleet, Crypto and Glory. Master your economy with Guilds, Trade Routes and Pilgrimages. Prove your faith, honor your culture, and conquer the Milky Way!
Competitive, Replayable
76% of 46 Steam reviews are positive$7.99
Unending Galaxy
Unending Galaxy is a unique space-sim in which you can fill any role from pirate or trader to the leader of a large galactic empire.
Replayable
60% of 110 Steam reviews are positive$4.99
Solar Wave
A large-scale 4X strategy game with indirect control and a focus on simulating a space empire. Capture systems, develop your economy and logistics, call up hundreds of powerful fleets and watch them incinerate enemies of the Solar Empire.
Replayable
73% of 83 Steam reviews are positivePlayers online now: 1$17.99
Interstellar Transport Company
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
Replayable
65% of 397 Steam reviews are positive$24.99
Galactic Civilizations IV
Lead a young starfaring civilization from its first faster-than-light flight to galactic power. Explore procedurally generated galaxies, colonize worlds, design fleets, out-talk or out-fight rival empires, and win your way: by conquest, culture, diplomacy or prestige. Every run plays out differently, and no two empires feel the same.
Replayable
72% of 2,249 Steam reviews are positivePlayers online now: 275$39.99
Stellar Sovereigns
Indie 4X space strategy game with TB empire management and RTS combat set in a 3D star cluster. Build an interstellar empire by colonizing and conquering star systems, develop your colonies establish trade routes and construct fleets from a range of retrofittable capital & escort class vessels.
Replayable
55% of 20 Steam reviews are positive$24.99
Apollo4x
Apollo4x is a casual-to-difficult space trading tycoon game, where success is measured in earnings from how efficient your trade routes are in transporting supplies to demands on your planets. Combat is card based, and uses a unique system never before seen.
Competitive
58% of 60 Steam reviews are positive$0.74
Distant Worlds: Universe
A pausable real-time 4X space strategy on a huge scale: galaxies of up to 1400 star systems, private citizens running your economy, pirates to bribe or crush, and enough automation (or micromanagement) to play it exactly your way. Every galaxy is generated fresh, so no two empires unfold the same.
Replayable
71% of 1,422 Steam reviews are positivePlayers online now: 9$29.99

Cheaper than Galaxy Union

Apollo4x

Apollo4x is a casual-to-difficult space trading tycoon game, where success is measured in earnings from how efficient your trade routes are in…

$0.74

Mini Gal4Xy

Mini Gal4Xy is a light strategy game set in space.

$3.99

X3: Reunion

Fly, trade and fight across open space, then build the factories and fleets that keep earning while you are out there.

$1.99

X3: Terran Conflict

Trade, fight and manage your way from one small ship to a sprawling space economy in an open galaxy.

$3.19

Capitalism Plus

Play the strategy game of money, power and wealth.

$2.99

Galaxy Admirals

Galaxy Admirals is a multiplayer turn-based cosmic strategy with pretty innovative and challenging gameplay.

$1.99

Stargazer's Terraforming Estate Co.

Stargazer's Terraforming Estate Company terraforms & sells planets for years.

$2.99

The Vanguard Expanse 4065

Forged over 9 years, The Vanguard Expanse 4065 is a deep, text-based incremental 4X RPG that refuses to hold your hand.

$1.99

Galactic Conflict

A real-time sci-fi 4X strategy game where you explore procedurally generated star systems, expand your empire, manage resources, build fleets, and…

$3.99

Space Architect

Mine asteroids, build production lines, keep your crew fed and trade with passing ships to buy back your freedom.

$1.79

Space Empires III

The third game within the Space Empires series brings the dawn of a new age of exploration.

$3.99

Space.iZ

Build your interstellar empire. Colonize planets, mine resources, grow your population and defend your worlds against enemy attacks.

Hidden gems like Galaxy Union

Nexus 5X

eXplore, eXpand, eXploit, eXterminate, EXPRESS. All of the depth, diplomacy, conflict and conquest of a turn-based 4X epic but played in fast-paced…

$14.99

Sins of a Solar Empire II

A real-time 4X where tactics and empire-building happen in one mode with no turns.

$49.99

Dominus Galaxia: KS Edition

Dominus Galaxia is a 4X space strategy game with a focus on amplifying strategic decisions and minimising non-strategic busywork.

Free

Nexus Legacy

Rebuild civilization from one planet in a persistent online 4X.

Free

Galactic Civilizations IV

Guide a young spacefaring civilization across a fresh galaxy each run, growing it by war, trade, diplomacy or culture until the stars answer to you.

$39.99

Imagine Earth

Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade.

$24.99

Prosperous Universe

Trade, produce and outmaneuver rival companies in a shared sci-fi economy that keeps running while you're away.

Free

Interstellar Space: Genesis

Build a turn-based galactic empire your way, from first colony ship to tactical battles between the stars.

$29.99

My Colony

Build a space colony from a single rover, grow it into a sprawling economy, and rule it your way.

$4.99

Distant Worlds 2

A vast pausable real-time 4X space strategy game. Generate a galaxy of up to 2,000 star systems, run an empire where every freighter and fleet is…

$49.99

Master of Orion 2

Colonize planets, outresearch rival empires and grow a fleet strong enough to face the Antarans, one turn at a time.

Imperium Galactica

Imperium Galactica. The Universe is yours... if you can handle it. The fourth millennium. Mankind has colonised the galaxy. Created an Empire.

$4.99

Newest games like Galaxy Union