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.
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ASTRONEER
Interact with strange new worlds in a unique and tactile way, molding the environment itself as if it were clay in your hands. Build your base, master resource management, automate your production lines, and more as you unravel the mysteries of the universe, alone or with friends.
Battlefleet Gothic: Armada 2
Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.
X4: Foundations
Thrilling space battles meet deep strategy. X4 invites you to explore, fight, trade, and build an empire in a dynamic, fully simulated space sandbox, where every decision shapes your journey. Now featuring the 2025 flight model overhaul.
Terraforming Mars
The taming of the Red Planet has begun! Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water.
I am not a Monster: First Contact
Retro sci-fi tactical turn-based strategy with an exciting storyline. The Albatross space liner is overrun by lizard-like monsters that can infect humans and turn them into their own kind. Save the passengers and defeat the hostile creatures.
Deep Sky Derelicts
Deep Sky Derelicts is an original combination of turn-based strategy and RPG, enriched with tactical card combat and popular roguelike elements. Explore derelict alien ships, fight, loot and upgrade your gear, all in distinctive retro-futuristic comic book aesthetic style.
PLANET ALPHA
PLANET ALPHA, a beautiful alien world filled with mystery and danger. Pursued by relentless enemies, you must harness the power of night and day as you struggle to survive.
Heaven Will Be Mine
HEAVEN WILL BE MINE is a visual novel about making terrible life decisions in the midst of a hot-blooded battle between giant robots. Select one of three terribly behaved girls to fight and/or make out with each other in their struggle for the fate of space.
War Tech Fighters
War Tech Fighters - the space action game that combines the spectacular action of Japanese Anime with Hollywood Blockbusters. Configure, upgrade and customize your War Tech and dive into battle to fight back the Zatronian forces and save your galaxy!
Warhammer 40,000: Inquisitor - Martyr
Enter the Chaos-infested Caligari Sector and purge the unclean with the most powerful agents of the Imperium of Man! W40k: Inquisitor – Martyr is a grim Action-RPG featuring multiple classes of the Inquisition who will carry out the Emperor’s will.
Space Hulk: Deathwing Enhanced Edition
Space Hulk: Deathwing - Enhanced Edition is a First-Person Shooter based on Games Workshop’s cult classic board game set in Warhammer 40,000 universe. Expanding upon the original game, and featuring a host of new content, new features and a richer multiplayer mode.
Human-powered spacecraft
A nostalgia-infused pixel clicker in a comedy wrapper.
BATTLETECH
Take command of your own mercenary outfit of 'Mechs and the MechWarriors that pilot them, struggling to stay afloat as you find yourself drawn into a brutal interstellar civil war.
Surviving Mars
There will be challenges to overcome. Execute your strategy and improve your colony’s chances of survival while unlocking the mysteries of this alien world. Are you ready? Mars is waiting for you.
Q.U.B.E. 2
Q.U.B.E. 2 is the sequel to the hit first-person puzzle game Q.U.B.E. You are Amelia Cross, a stranded archaeologist who has awoken among the ruins of an ancient alien landscape. With the distant help of another survivor you must solve the puzzles of this mysterious world and find a way back home.
Battlezone: Combat Commander
Battlezone: Combat Commander remasters FPS-RTS classic Battlezone II with slick new visuals, brand new achievements, Steam Workshop support and much more! The solar system is at war. Take command.
OPUS: Rocket of Whispers
Rocket of Whispers is an award-winning post-apocalyptic adventure that follows two survivors on a journey to launch a space burial for the lost souls of their desolate world. Help them search the snowy wasteland for supplies and the courage to say goodbye.
A Sky Full of Stars 仰望夜空的星辰
The starry sky spreads far and wide overhead... This story full of love, comedy, and excitement follows our protagonist and his stargazing friends as they grow together. "A Sky Full of Stars" is a coming-of-age astronomy tale by the same team who brought you "If My Heart Had Wings".
Starblast
Fun, fast paced online multiplayer arcade space shooter. Take control of your spaceship, mine asteroids, increase your stats, upgrade to different types of spaceships with improved stats and weapons. Fight against other players and collect their gems.
CAT Interstellar
A short story inspired by Robert Heinlein's:The Moon Is a Harsh Mistress