Solar War
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and…
85% of 27 Steam reviews are positive$4.99
Games like Solar Frontier
Miss the replayable and colorful pull of Solar Frontier? Browse these games for your next favorite.
Solar War
A turn-based grand strategy game in space, set in the near future: Defend Earth against an alien invasion from the edge of the Solar System and expand your campaign to push them back to their base.
85% of 27 Steam reviews are positive$4.99Beyond
Beyond is a sci-fi turn-based strategy game set in a generated solar system that orbits a distant star every round. Play as one of five alien species as you race to collect resources, build your military, develop new tech, expand the area you control, and drive opposing factions from the system.
Replayable
83% of 6 Steam reviews are positiveFreeSid Meier's Alpha Centauri™ Planetary Pack
A turn-based 4X classic from 1999: seven factions with clashing ideologies colonize a sentient alien planet. Design your own units, terraform the surface, and argue your way to victory against leaders who feel unsettlingly human. The Planetary Pack adds Alien Crossfire with seven more factions.
Replayable
90% of 610 Steam reviews are positivePlayers online now: 51$4.99Terra Invicta
Pick one of seven human factions and fight over how to face an alien invasion: seize control of Earth's nations from the shadows, research your way into space, mine asteroids, and build fleets for Newtonian fleet battles across a moving Solar System.
Replayable
79% of 9,174 Steam reviews are positivePlayers online now: 578$39.99Solaris
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?
Replayable
81% of 90 Steam reviews are positiveFreeHorizon
Horizon is a turn-based space strategy game of galactic exploration and conquest in which you are in control of humanity’s destiny. You will explore deep space, find new frontiers and discover alien artifacts hidden on long-abandoned planets.
Replayable
58% of 377 Steam reviews are positivePlayers online now: 1$29.99Pandora: First Contact
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.
Replayable
61% of 540 Steam reviews are positive$29.99Interstellar Space: Genesis
A turn-based space 4X about building a galactic empire the classic way: explore, colonize, research, and fight on a tactical grid when talks fail. Remote exploration hides secrets in every system, six races and custom builds keep runs fresh, and micromanagement stays out of your way.
Replayable
83% of 720 Steam reviews are positivePlayers online now: 25$29.99Star 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$9.99Space Empires III
The third game within the Space Empires series brings the dawn of a new age of exploration. Your race keeps running through the fabric of space and moves to other solar systems beyond your own.
Replayable
83% of 46 Steam reviews are positivePlayers online now: 3$3.99Planet 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
91% of 2,908 Steam reviews are positivePlayers online now: 5FreeCosmic Outpost
Cosmic Outpost is a turn-based strategy game where you build an outpost on a new planet. As pioneers, you will construct an outpost while defending against enemies. Gather enough materials to build a spaceship to explore new worlds and expand humanity's frontiers!
Replayable, Colorful
100% of 4 Steam reviews are positive$9.99
Cheaper than Solar Frontier
Sid Meier's Alpha Centauri™ Planetary Pack
Lead a faction of ideologues across an alien world, out-think six rivals and shape a whole planet's future one turn at a time.
90% of 610 Steam reviews are positivePlayers online now: 51$4.99
Space Empires III
The third game within the Space Empires series brings the dawn of a new age of exploration.
83% of 46 Steam reviews are positivePlayers online now: 3$3.99
Imperium Galactica
Imperium Galactica. The Universe is yours... if you can handle it. The fourth millennium. Mankind has colonised the galaxy. Created an Empire.
91% of 147 Steam reviews are positivePlayers online now: 3$4.99
Startopia
A once thriving network of space stations and planets have been left lifeless, redundant scars of the apocalypse.
91% of 845 Steam reviews are positivePlayers online now: 5$6.99
Project Tomorrow
Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.
93% of 129 Steam reviews are positivePlayers online now: 163$5.94
Fragile Allegiance
Assemble your fleets, fill your silos with nuclear warheads, conduct research, gather resources, and wage war in a vast galaxy in this unique take…
93% of 121 Steam reviews are positivePlayers online now: 2$5.29
Deadlock: Planetary Conquest
Colonize A Planet. Dominate A World.
54% of 109 Steam reviews are positivePlayers online now: 3$6.99
Empires of a Tiny Universe
Empires of a Tiny Universe is a relaxed single-player RTS where you build and expand your empire across space.
80% of 15 Steam reviews are positive$4.99
Terraforming Titans
Balance a simulated climate, keep your colonists alive, and move on to stranger worlds when Mars is done.
94% of 77 Steam reviews are positivePlayers online now: 17$5
Space Alliance: Frontier
Get ready to protect the entire solar system from an unprecedented threat - the D'Ahari, a race of insect-like aliens.
57% of 7 Steam reviews are positive$6.99
Hidden gems like Solar Frontier
Emperor of the Fading Suns Enhanced
Command interstellar forces in this epic return of the 4X strategy classic.
95% of 178 Steam reviews are positivePlayers online now: 5$9.99
Project Tomorrow
Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.
93% of 129 Steam reviews are positivePlayers online now: 163$5.94
Sid Meier's Alpha Centauri™ Planetary Pack
Lead a faction of ideologues across an alien world, out-think six rivals and shape a whole planet's future one turn at a time.
90% of 610 Steam reviews are positivePlayers online now: 51$4.99
Solar Nations 2
Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.
84% of 665 Steam reviews are positivePlayers online now: 36$14.99
Planetka
You play as a tiny sentient planet. Maintain your ecosystem, create new plant species and discover the hidden powers inside you.
89% of 183 Steam reviews are positiveFree
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
Farlanders
Terraform, strategize, and construct a Martian colony in this retro-inspired turn-based city builder.
89% of 514 Steam reviews are positivePlayers online now: 1$14.99
Terraformers
Turn a fresh Mars into a living world, one turn and one project card at a time.
88% of 3,044 Steam reviews are positivePlayers online now: 50$19.99
Terra Invicta
Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.
79% of 9,174 Steam reviews are positivePlayers online now: 578$39.99
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 2,249 Steam reviews are positivePlayers online now: 275$39.99
Interstellar Space: Genesis
Build a turn-based galactic empire your way, from first colony ship to tactical battles between the stars.
83% of 720 Steam reviews are positivePlayers online now: 25$29.99
Solar Settlers
Solar Settlers is a card-driven space exploration strategy game set in the far future.
94% of 298 Steam reviews are positive$9.99
Newest games like Solar Frontier
Project Tomorrow
Wake on a ruined planet, terraform it back to life and fight off everything that wants it dead again.
93% of 129 Steam reviews are positivePlayers online now: 163$5.94
Imperium
Grow a single colony into a galactic power through colonization, shipbuilding, research and diplomacy, with a fresh galaxy every run.
73% of 55 Steam reviews are positivePlayers online now: 27$22.49
Empires of a Tiny Universe
Empires of a Tiny Universe is a relaxed single-player RTS where you build and expand your empire across space.
80% of 15 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.
73% of 83 Steam reviews are positivePlayers online now: 1$17.99
Heroes of Science and Fiction
Lead one of five factions through a cut-off star system, turn by turn, and win battles with plans instead of numbers.
89% of 867 Steam reviews are positivePlayers online now: 11$29.99
Terra Invicta
Steer one of seven factions through an alien arrival, from covert politics on Earth to fleet battles across the Solar System.
79% of 9,174 Steam reviews are positivePlayers online now: 578$39.99
A Planet of Mine MasterMine Edition
A Planet of Mine Mastermine Edition is a cozy 4X game with mass strategy!
94% of 32 Steam reviews are positive$9.99
Stellar Reach
Stellar Reach is a 4X hard sci-fi strategy game where you control a faction vying for dominance across a hostile galactic frontier.
79% of 33 Steam reviews are positive$19.99
Emperor of the Fading Suns Enhanced
Command interstellar forces in this epic return of the 4X strategy classic.
95% of 178 Steam reviews are positivePlayers online now: 5$9.99
Solar Nations 2
Steer a 2092 superpower through nine worlds, fleet building and deep politics, solo or with friends, where a war can end in nuclear fire.
84% of 665 Steam reviews are positivePlayers online now: 36$14.99
Cosmic Outpost
Cosmic Outpost is a turn-based strategy game where you build an outpost on a new planet.
100% of 4 Steam reviews are positive$9.99
Xenowars
This is a turn-based strategy/RPG game set in the stars. In the early stages, you will recruit a team of experts on Earth for exploring a distant…
84% of 31 Steam reviews are positive$19.99