Stellar Empires
Indie strategy game where you take control of an Empire, lead it to complete domination by colonizing new planets!
80% of 5 Steam reviews are positive$0.69
Games like Celestis
Looking for that same replayable and competitive spark as Celestis? These games make natural next picks for you.
Solaris
Discover a space strategy game filled with conquest, betrayal and subterfuge. Build alliances, make enemies and fight your way to victory and galactic domination. Will you conquer the galaxy?
Also in Co-op · Replayable, Competitive, Minimalist
81% of 90 Steam reviews are positiveFreeGalcon 2: Galactic Conquest
Galcon 2 is a demolition derby in space! Send swarms of ships from planet to planet to conquer the galaxy in this fast paced multiplayer strategy game!
Also in Co-op · Replayable, Competitive, Minimalist
83% of 872 Steam reviews are positivePlayers online now: 1FreeAuralux: Constellations
Auralux: Constellations is the awaited sequel to Auralux, the critically acclaimed minimalistic Real Time Strategy game. Explore a dozen new gameplay mechanics through each constellation, one new feature at a time. It's Real-Time Strategy, deconstructed.
Also in Co-op · Replayable, Competitive, Minimalist
78% of 156 Steam reviews are positivePlayers online now: 2$9.99Relentless Expanse
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy! Simple yet addicting, you can play alone or outsmart your friends in this 2D top-down space RTS. Completely free, no monetization, just fun!
Replayable, Competitive, Minimalist
91% of 113 Steam reviews are positiveFreeStar Ruler
Take command of a vast interstellar empire and safeguard your species from total extinction in a procedurally generated 3D galaxy (with the option to flatten it) from 1 System to 10,000+! Prove your species' ingenuity through a deep and intricate combat system where anything (from individual components on ships to the stars themselves)...
Replayable, Competitive
86% of 261 Steam reviews are positive$7.99Stardust Exile
Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics. The remaining star systems are procedurally generated. It has both online mode and single-player skirmish mode. The online server is persistent and single-shard.
Also in Co-op · Replayable, Competitive, Fast-paced
70% of 44 Steam reviews are positivePlayers online now: 3$14.99Planet S
Planet S is a real-time strategy game about colonizing a whole solar system. Claim procedurally generated planets with a spaceport, build cities, feed production chains and grow your faction into a scientific or military power. Play solo or with up to seven friends, in peace or open war.
Replayable, Competitive
91% of 2,908 Steam reviews are positivePlayers online now: 5FreeStellaris
Lead a young starfaring civilization and shape it into something that spans the galaxy. You choose its species, ethics and ambitions, explore new systems, meet alien empires and decide if history remembers you as a pioneer or a conqueror.
Replayable
82% of 146,712 Steam reviews are positivePlayers online now: 12,817$49.99Hades' Star
Build a space empire in one shared galaxy with thousands of other players. Run trade routes in your own star system, raid dying Red Stars for artifacts, and fight five-day corporation wars. A slow-burn strategy game you check daily, with quick tactical bursts when you want them.
Also in Co-op · Replayable, Competitive, Minimalist
73% of 2,696 Steam reviews are positivePlayers online now: 168FreeTo the Stars
To the Stars is a fast-paced, whimsical and tactical planet-hopping game. Choose your own adventure as you conquer the universe - one constellation at a time.
Replayable, Fast-paced
89% of 45 Steam reviews are positivePlayers online now: 1$14.99Galactic Ruler
Galactic Ruler offers real time strategy game play at both planetary level and in space! Lead your faction in diplomacy or conquest across a procedurally generated galactic map where any system might hold hostile enemies or resource riches. Develop advanced technologies to rule the galaxy!
Also in Co-op · Replayable
47% of 104 Steam reviews are positive$19.99Space Expand
Take control and expand your empire through different constellations in this minimalist 4X strategy game.
Also in Co-op · Replayable, Competitive, Minimalist
49% of 35 Steam reviews are positiveFree
Cheaper than Celestis
Interstellar Pilot 2
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.
89% of 157 Steam reviews are positivePlayers online now: 3$0.99
Galaxy Admirals
Galaxy Admirals is a multiplayer turn-based cosmic strategy with pretty innovative and challenging gameplay.
78% of 127 Steam reviews are positive$1.99
Galaxy Trek
Galaxy Trek is a fun, simple and addictive indie game that will test your reflexes, strategy and skill. Each game you play is unique!
100% of 2 Steam reviews are positive$0.99
SPACECOM
SPACECOM – a strategic-to-the-bone, starfleet command game in which deception, smart movement, and choices to battle decide victory or defeat.
63% of 200 Steam reviews are positive$1.39
Mini Gal4Xy
Mini Gal4Xy is a light strategy game set in space.
87% of 31 Steam reviews are positive$3.99
helionaut
An open-world galaxy adventure game ✨🚀🌠 Explore a procedurally-generated universe filled with diverse micro-planets, asteroid belts and UFOs. 👽
94% of 204 Steam reviews are positive$2.99
Icarus Starship Command Simulator
In this "starship command simulator" you will fight your way to the center of a randomly generated galaxy where a massive star is about to go…
90% of 49 Steam reviews are positive$3.99
ROD: Revolt Of Defense
Explore a random generated space. Find artifacts and treasure maps. Build and develop your base on a flying platform.
80% of 526 Steam reviews are positive$0.99
Galactic Lords
Experimental indie strategy game. Lead the group of Galactic Lords through 7 levels to discover the origin of a world-wide menace!
75% of 57 Steam reviews are positive$0.99
O.R.B: Off-World Resource Base
An epic struggle for control!
79% of 102 Steam reviews are positive$0.79
Celestial Front - Galactic War Sim
Watch as stars battle for control of a simple simulated galaxy.
$0.99
Hidden gems like Celestis
ZeroSpace
Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.
78% of 1,355 Steam reviews are positivePlayers online now: 96$39.99
Relentless Expanse
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy!
91% of 113 Steam reviews are positiveFree
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…
90% of 889 Steam reviews are positive$14.99
Planet S
Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…
91% of 2,908 Steam reviews are positivePlayers online now: 5Free
Interstellar Pilot 2
The hit mobile game Interstellar Pilot 2 has come to Steam. Join the TEF forces heading to the Gatopean sector to find a new home for mankind.
89% of 157 Steam reviews are positivePlayers online now: 3$0.99
Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns.
82% of 7,259 Steam reviews are positivePlayers online now: 848$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.
83% of 251 Steam reviews are positivePlayers online now: 6Free
Galaxy Life
The Starlings are tiny, orange and out for galactic conquest, and they are yours.
91% of 8,641 Steam reviews are positivePlayers online now: 300Free
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.
72% of 2,243 Steam reviews are positivePlayers online now: 275$39.99
Roll for the Galaxy
Roll for the Galaxy is a dice game of building space empires for 2-5 players.
89% of 114 Steam reviews are positivePlayers online now: 1$14.99
AI War 2
Build fleets in secret, hack the enemy's systems and hit its core before it wakes up to what you are doing.
87% of 1,131 Steam reviews are positivePlayers online now: 18$19.99
Galaxy Trucker: Extended Edition
Sign up to be a galaxy trucker today! An adaptation of Vlaada Chvátil’s award-winning board game is now on Steam.
89% of 216 Steam reviews are positivePlayers online now: 3$9.99
Newest games like Celestis
ZeroSpace
Lead huge armies and orbital strikes in a fast sci-fi war, or join a friend in a co-op campaign that changes every season.
78% of 1,355 Steam reviews are positivePlayers online now: 96$39.99
Relentless Expanse
Capture and upgrade planets, outsmart your enemies, and conquer the galaxy!
91% of 113 Steam reviews are positiveFree
Stardust Exile
Stardust Exile is an RTS set in the Milky Way galaxy, containing currently known stars and exoplanets with their real characteristics.
70% of 44 Steam reviews are positivePlayers online now: 3$14.99
Sins of a Solar Empire II
A real-time 4X where tactics and empire-building happen in one mode with no turns.
82% of 7,259 Steam reviews are positivePlayers online now: 848$49.99
To the Stars
To the Stars is a fast-paced, whimsical and tactical planet-hopping game.
89% of 45 Steam reviews are positivePlayers online now: 1$14.99
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…
90% of 889 Steam reviews are positive$14.99
From Glory To Goo
Grow a settlement on a hostile world, wall it in, and answer the Goo with orbital fire before they reach your gates.
96% of 1,858 Steam reviews are positivePlayers online now: 97$7.79
Galaxy Trek
Galaxy Trek is a fun, simple and addictive indie game that will test your reflexes, strategy and skill. Each game you play is unique!
100% of 2 Steam reviews are positive$0.99
Planet S
Claim procedurally generated planets, raise cities from a single spaceport, and grow your faction into a scientific or military power, alone or…
91% of 2,908 Steam reviews are positivePlayers online now: 5Free
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.
72% of 2,243 Steam reviews are positivePlayers online now: 275$39.99
Pixel Starships
Design every room of a pixel starship, set its AI, and test your creation against real players in tournaments.
72% of 3,035 Steam reviews are positivePlayers online now: 105Free
Stellar Empires
Indie strategy game where you take control of an Empire, lead it to complete domination by colonizing new planets!
80% of 5 Steam reviews are positive$0.69