Riftborne
Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.
92% of 123 Steam reviews are positive$7.99
Games like SolPlex: Dominion
If the competitive and replayable rhythm of SolPlex: Dominion stuck with you, this helps. These games offer a similar pull for your backlog.
Galaxicus
An MMO experience that's perfect for solo or team play. Join the adventure and become the ultimate Emperor of the galaxy. Conquer Planets, Manage Economies, Optimize Production, Upgrade Technology while exploring a Randomly-Generated Galaxy, and compete Seasonal PVP.
Also in Co-op · Competitive, Replayable
67% of 9 Steam reviews are positive$19.99PlanetX
A persistent real-time strategy MMO on one shared planet. Other players will come for your land while you sleep, unless your shield is up. Wars take days, and alliances decide them. Build an economy that can feed an army, then hold your border. Expect ten hours before you feel competent.
Also in Co-op · Competitive, Replayable
67% of 54 Steam reviews are positiveFreeNexus Legacy
Rebuild civilization from one planet in a persistent online 4X. Grow an economy, design fleets for the job, spy before you strike, and fight alliances for a galaxy that keeps moving while you sleep. Slow-burn strategy with real rivals: every mistake becomes someone else's opening.
Competitive, Replayable
66% of 391 Steam reviews are positivePlayers online now: 85FreeProsperous 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: 25FreeAndromeda: Rebirth of Humanity
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize. Build structures like Mines to generate resources to build ships and engage in fleet battles with NPCs and other players, or just sit and chat with the friendly community.
Also in Co-op · Competitive, Replayable
65% of 118 Steam reviews are positivePlayers online now: 4FreePlanet 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.
Also in City builder · Competitive, Replayable
91% of 2,908 Steam reviews are positivePlayers online now: 5FreeSolar 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$17.99Nova Empire
Build up a Space Empire and establish control of the Galaxy and the Universe! Nova Empire is a multiplayer space game in which the aim is to build your empire and conquer the galaxy in epic space battles against your rivals with other allies worldwide!
Competitive, Replayable
55% of 346 Steam reviews are positivePlayers online now: 25FreeSins of a Solar Empire: Trinity®
Lead a civilization through a galactic war in this blend of 4X empire building and real-time strategy. Explore a 3D galaxy, forge alliances, bribe pirates, and send hundreds of ships into battle. A slow, sweeping war where every playthrough unfolds differently.
Also in Co-op · Competitive, Replayable
78% of 691 Steam reviews are positivePlayers online now: 17$9.99Stellar 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$24.99Solaris
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 · Competitive, Replayable
81% of 90 Steam reviews are positiveFreeDynasty Protocol
Command your space fleet, mine asteroids, and conquer colonies in this immersive real-time strategy game. Build powerful space stations, upgrade your ships through combat experience, and manage vital resources as you expand your dynasty across a star system.
Replayable
62% of 37 Steam reviews are positive$17.99
Hidden gems like SolPlex: Dominion
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
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
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 391 Steam reviews are positivePlayers online now: 85Free
Stellar Odyssey
Chart a vast procedural universe, craft and trade, and build territory together with your Squadron at whatever pace suits you.
62% of 145 Steam reviews are positivePlayers online now: 78Free
Foundation: Galactic Frontier
Navigate the vast, futuristic cosmos, managing a self-sufficient starship while engaging in grand strategy and intense action.
64% of 137 Steam reviews are positivePlayers online now: 119Free
Prosperous Universe
Trade, produce and outmaneuver rival companies in a shared sci-fi economy that keeps running while you're away.
72% of 1,118 Steam reviews are positivePlayers online now: 25Free
My Colony
Build a space colony from a single rover, grow it into a sprawling economy, and rule it your way.
88% of 277 Steam reviews are positivePlayers online now: 10$4.99
Star Sonata 2
Fly, trade, build and fight in a persistent galaxy shared with hundreds of other players.
66% of 293 Steam reviews are positivePlayers online now: 13Free
Andromeda: Rebirth of Humanity
Andromeda is a hybrid between a Space 4X and an MMO. An online universe sandbox with 2 galaxies full of planets to colonize.
65% of 118 Steam reviews are positivePlayers online now: 4Free
Star Ruler 2
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command…
81% of 661 Steam reviews are positivePlayers online now: 1$19.99
Interstellar Transport Company
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars.
65% of 397 Steam reviews are positive$24.99
Newest games like SolPlex: Dominion
Main Sequence
Mine, automate and design your own fleet, from a lone mining ship to stations spread across procedurally generated star systems.
82% of 97 Steam reviews are positivePlayers online now: 1,728
Foundation: Galactic Frontier
Navigate the vast, futuristic cosmos, managing a self-sufficient starship while engaging in grand strategy and intense action.
64% of 137 Steam reviews are positivePlayers online now: 119Free
Starlathe
Run one small ship through a simulated economy of mining, trade and war, then build stations and grow a fleet with friends in co-op.
88% of 165 Steam reviews are positivePlayers online now: 43$11.99
Space Trader Corps
A real-time multiplayer space trading game in a shared persistent galaxy.
100% of 8 Steam reviews are positiveFree
Solar Wave
A large-scale 4X strategy game with indirect control and a focus on simulating a space empire.
73% of 83 Steam reviews are positivePlayers online now: 1$17.99
galaksia online
Galaksia Online is an action-packed, 2D multiplayer space MMORPG blending retro pixel art aesthetics with mechanics.
100% of 4 Steam reviews are positive$1.99
SpaceCraft
Mine planets, assemble ships from parts and grow a trading empire with friends in an open galaxy.
63% of 2,742 Steam reviews are positivePlayers online now: 232$29.99
Nexus Legacy
Rebuild civilization from one planet in a persistent online 4X.
66% of 391 Steam reviews are positivePlayers online now: 85Free
Periphery Online
A refugee capsule lands on an uninhabited planet. You have to survive, rebuild civilization and, if possible, regain control over the Earth.
70% of 53 Steam reviews are positive$4.99
Riftborne
Riftborne is a classic terminal based, real time, grand strategy game. Construct space ships. Take part in factional warfare.
92% of 123 Steam reviews are positive$7.99
Stellar Industrialist
You are neither a general nor a soldier — you are a Stellar Industrialist. To you, peace is nothing but shutdowns and losses.
89% of 18 Steam reviews are positive$2.99
Solargene
Run a private space corporation across a realistically simulated solar system.
77% of 786 Steam reviews are positivePlayers online now: 18$34.99