Discounted 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
Breathedge
Survive in outer space! Together with your immortal chicken, discover the truth behind your sudden spaceship crash. Craft tools, pilot vehicles, and even control space stations to survive and explore the wreckage.
Shadow Empire
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Per Aspera
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
Creeper World 4
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
Mars Horizon
Lead a major space agency as you guide humanity to Mars in this strategy simulation game. Construct a base, design and build rockets, conduct missions throughout the Solar System, and write your own history of Space exploration. Created with support from the European Space Agency.
Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
From the Depths
Over 1000 unique components allow you to build and command voxel vehicles from the deep ocean to outer space! Forge strategies, allegiances and fleets strong enough to destroy eight deadly factions of the planet and reign supreme. A genre-defying mashup of simulation, building, RTS and RPG.
The Outer Worlds
The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.
Drone Swarm
Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!
Space Crew: Legendary Edition
Time for your toughest mission yet! Recruit and train your crew to tackle the growing threat from alien and android armies as you defend Earth to become a Galactic Legend in Space Crew: Legendary Edition. All new content free to existing owners of Space Crew!
STAR WARS™: Squadrons
Master the art of starfighter combat in the authentic piloting experience STAR WARS™: Squadrons. Feel the adrenaline of first-person multiplayer space dogfights alongside your squadron, and buckle up in a thrilling STAR WARS™ story.
Interstellar Rift
Interstellar Rift is an open world starship simulator with an emphasis on ship construction and multi-player interaction. Survive in a hostile galaxy with your own custom designed and constructed starship. Invite other players to join your crew or fight them across the galaxy!
Rebel Galaxy Outlaw
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Empyrion - Galactic Survival
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Starship EVO
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!
Outer Wilds
Named Game of the Year 2019 by Giant Bomb, Polygon, Eurogamer, and The Guardian, Outer Wilds is a critically-acclaimed and award-winning open world mystery about a solar system trapped in an endless time loop.
STAR WARS™ Battlefront™ II
Be the hero in the ultimate STAR WARS™ battle fantasy with STAR WARS™ Battlefront™ II: Celebration Edition!
Mass Effect™: Andromeda Deluxe Edition
Return to the Mass Effect universe & lead the first humans in Andromeda on a desperate search for our new home.
STAR WARS™ Battlefront
The STAR WARS™ Battlefront™ Ultimate Edition includes the STAR WARS™ Battlefront™ Deluxe Edition as well as the STAR WARS™ Battlefront™ Season Pass.
Space Haven
Embark on a space voyage with your ragtag crew of civilians in search of a new home. Build spaceships tile by tile, create optimal gas conditions, manage the needs and moods of their crew, encounter other space-faring groups, and explore the universe in this spaceship colony simulation.
Observation
Observation is a sci-fi thriller uncovering what happened to Dr. Emma Fisher, and the crew of her mission, through the lens of the station’s artificial intelligence S.A.M.
Deep Rock Galactic
Deep Rock Galactic is a 1-4 player co-op FPS featuring badass space Dwarves, 100% destructible environments, procedurally-generated caves, and endless hordes of alien monsters.
In Other Waters
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?