Best Space Games on Steam
Unlike generic lists, our strategy game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated space games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Space games on Steam.
Filters & Lists
The Universim
Jump straight into managing your own planets as you guide a civilization through the ages. Build the ultimate empire in The Universim, a new breed of God Game in development by Crytivo.
Cygnus Enterprises
Action RPG Shooter with Base Management elements, featuring AI NPCs. Take charge of an abandoned outpost, explore a lush alien planet, battle fierce creatures, gather resources, and upgrade your base as you develop your character and bring dozens of distinct weapons to bear.
Picayune Dreams
Picayune Dreams is a roguelike blend of bullet heaven horde survival, and bullet hell gameplay. Adrift across the endless void, you must fend off thousands of nightmarish and otherwordly creatures. Uncover a mysterious and surreal story. And don't forget. You mu [TRANSMISSION INTERRUPTED...]
The Expanse: A Telltale Series
Take on the role of Camina Drummer and explore the dangerous, uncharted edges of the Belt. From scavenging wrecked ships in a zero-g environment, to combating fearsome pirates, you make the difficult choices in this latest Telltale adventure. All five episodes playable at launch!
Gatekeeper: Infinity
Prologue version of the game Gatekeeper. Gatekeeper: Infinity is a fast-paced rogue-lite shooter where you'll search for the stolen Heart of the Universe and battle machine enemies! Play solo or join forces with friends in co-op mode.
Colony Ship: A Post-Earth Role Playing Game
Colony Ship is a turn-based, party-based role-playing game set aboard a generation ship launched to Proxima Centauri. The game features a detailed skill-based character system, multiple ways to handle quests, choices & consequences, and branching dialogue trees.
Risk of Rain Returns
Carefully designed, beautifully remastered, and loaded with new ways to play—Risk of Rain is back and better than ever! Dive into the iconic roguelike full of unique loot combinations, enhanced with new Survivors, overhauled multiplayer, fan favorite content from Risk of Rain 2, and more!
Cobalt Core
A sci-fi roguelike deckbuilder with a deep new single-axis spin on tactics games! Dodge missiles, line up your cannons, and blast 'em out of the sky... Then get to the bottom of these time loops, before it's too late!
The Invincible
Rethink human’s dominion in The Invincible: a story-driven adventure set in a hard sci-fi world by Stanisław Lem. Discover planet Regis III as scientist Yasna, use atompunk tools looking for a missing crew and face unforeseen threats. Make choices in a philosophical story that’s driven by science.
Survivors of the Dawn
A roguelite horde-survival bullet heaven with QUINTILLIONS of bullets over QUINTILLIONS of hordes. Mix weapons with items, modify, control chaos at terminals and break through tightening waves.
Iron Marines Invasion
Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.
STAR OCEAN THE SECOND STORY R
In this science fantasy RPG, choose between Claude or Rena, play through their perspectives, and unlock various endings. Recruit allies and defeat foes in fast paced real-time battles.
Galactic Civilizations IV
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.
Executive Assault 2
The RTS/FPS phenomenon has moved into space! Build your base on an asteroid, command fleets of starships for epic battles, pilot fighters, mine and trade resources, assemble robots to defend or assault other stations. Take sole command or share the glory as you fight for control of the quadrant.
My Little Universe
Stranded on a barren moon with nothing but your tools, fuelless ship, and celestial powers of creation, you are destined to recreate what was once lost and be the hero of your own Little Universe! Don't forget to call in up to three of your friends to join your journey in the Splitscreen Co-op Mode!
Quasimorph
Take on a role of a hardened PMC fighter in a dark turn-based extraction RPG. Engage in unforgiving combat, manage your ship and pile up the bodies of your clones to unravel the dark mystery behind threat to all life.
Savant - Ascent REMIX
Savant - Ascent REMIX is an explosive shoot-em-up / scrolling shooter, starring an acrobatic wizard on an elevator-ride. Unlock destructive spells & acrobatic moves as you survive through a tower brimming with robotic fiends!
Project Planet - Earth vs Humanity
Destroy Humanity with virus outbreaks, asteroid impacts and more as Planet Earth! Or team up with up to five friends as the World Leaders, Industry, Media, Scientists and Public, and try to survive. Impossible dilemmas and choices-matter create countless paths in this strategy party game!
LunarLux
Experience a sci-fi action-adventure RPG on the Moon in the year 30XX! Join Bella in a story of science, truth, justice, and trust, as she travels the silver globe to find a way to save humanity from Comet Coda! It's time to unleash your Lux!
Time Wasters
Time Wasters is a space shooter bullet heaven roguelite. Equip and upgrade weapons, destroy swarms of enemies, and collect Time & Space Cubes to bend the timeline to your advantage.
InfraSpace
Create an extrasolar efficiency utopia from scratch! In this sci-fi city builder you need to start mining operations, plan production, and lay down transportation routes to ensure a smooth supply chain.