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
Between Horizons – A Sci-Fi Detective Adventure
Between Horizons is a narrative 2.5D sci-fi detective adventure. 33 years into the Zephyr's journey, its mission is suddenly jeopardized. Can you find the culprit before it's too late? Experience an enthralling story set in a semi-open world that branches and ends based on your choices.
TerraTech Worlds
TerraTech Worlds is an open world, build-craft adventure game, set on an uncharted alien world. Play solo or with friends, explore your surroundings, craft unique vehicles, construct automated bases, and battle your way through hazards and enemies to harness the power of your environment
Dune: Imperium
The award-winning board game of strategy and intrigue in the iconic universe of Dune. The Spice must flow.
TRIBES 3: Rivals
TRIBES 3: Rivals is a team-based first person shooter that elevates the genre with jetpacks, skiing, and class-based warfare. Teamwork, tactics, high speed, and intense combat are supreme in this rebirth of the world’s fastest shooter.
Between the Stars
Become the Captain of an interstellar cruiser and journey across the galaxy to save the Republic. During your journey you will have to make important decisions, improve the weaponry of your ship and fight against numerous enemies.
Sid Meier's Alpha Centauri™ Planetary Pack
Sid Meier's Alpha Centauri™ Planetary Pack includes the original Alpha Centauri and the expansion, Alien Crossfire.
The Mobius Machine
Discover a vast alien world. Fight the ferocious local fauna and killer machines. Reveal its secrets and find a way to escape. The Mobius Machine is a side-scroller action adventure, with an emphasis on free-form exploration and intense combat.
STAR WARS™: Dark Forces Remaster
The evil Empire is currently creating a doomsday army behind a veil of secrecy. However, they are no match for the Rebel Alliance's covert operations division. Your mission is to infiltrate the Empire and put an end to their plans for terror and domination.
Sputnika Game
A Cosmic twist on a Suika-style game with space gravity. Help our little friend Sputnik on his journey to become the Sun.
Monster Tiles TD: Tower Wars
Free Tower Defense game with unique roguelike elements. Custom base building mechanics allow you to create your own base and maze with tiles earned after each wave. Unleash a variety of monsters, each with its own evolution path and unique skills, and evolve them into legendary creatures.
HELLDIVERS™ 2
The Galaxy’s Last Line of Offence. Enlist in the Helldivers and join the fight for freedom across a hostile galaxy in a fast, frantic, and ferocious third-person shooter.
Moonbreaker
Moonbreaker is a turn-based strategy, tactical skirmish game. The game is designed to be a true digital miniatures experience, set in an expansive sci-fi universe crafted by Brandon Sanderson. Direct Captain and Crew in gripping, ever-changing competition and adventure.
My Furry Protogen 2 🐾
After every night comes a new dawn, filled with hope and light. As the adventure of our heroes continues, let’s discover what lies ahead!
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.