Best Sci-fi 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 sci-fi games. For those who prefer not to search, check out lists of the most played, top deals and best free to play Sci-fi games on Steam.
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Creeper World IXE
The unstoppable alien force known as The Creeper has returned, devouring thousands of worlds in its path, and yours is next. Battle against the Creeper fluid in a groundbreaking pixel-level simulation to prove that humanity will rule the galaxy forever!
Heat Death: Survival Train
Heat Death is a sci-fi survival game where you can build, upgrade, and customize your battle train to explore and survive a frozen world! This train is not only your shelter and vehicle, but also your weapon and ally to face hostile drones, deadly storms, and hidden mysteries of an unknown world!
Astrometica
Astrometica is a space exploration and base-building survival game. After a catastrophic event, explore vast space, gather resources, build bases, and uncover cosmic mysteries. Use advanced technology, craft tools, and discover new blueprints to survive and thrive in the unknown.
FANTASIAN Neo Dimension
Embark on an adventure to discover your memories and save the world from a mechanical infection. Maneuver your skill trajectories during battle, and dive into a new dimension with a unique twist on a classic RPG experience.
The Thing: Remastered
The Thing: Remastered is a faithful restoration of the cult-classic 2002 third-person survival horror shooter game inspired by Universal Pictures’ genre-defining 1982 film, The Thing
Marvel Rivals
Marvel Rivals is a Super Hero Team-Based PVP Shooter! Assemble an all-star Marvel squad, devise countless strategies by combining powers to form unique Team-Up skills and fight in destructible, ever-changing battlefields across the continually evolving Marvel universe!
Caves of Qud
Caves of Qud is a Hugo Award-winning science fantasy roguelike epic steeped in retrofuturism, deep simulation, and swathes of sentient plants. Come inhabit an exotic world and chisel through layers of thousand-year-old civilizations.
Battle Shapers
Battle Shapers is an action-packed, sci-fi FPS roguelite in which you shoot and smash your way through swarms of corrupt robots. Wield powerful weapons, abilities, and game-changing new powers stolen from ruthless Overlords.
Star Wars Outlaws
Experience the first-ever open world Star Wars™ game and explore distinct locations across the galaxy, both iconic and new. Risk it all as scoundrel Kay Vess, seeking freedom and the means to start a new life.
S.T.A.L.K.E.R. 2: Heart of Chornobyl
Discover the vast Chornobyl Exclusion Zone full of dangerous enemies, deadly anomalies and powerful artifacts. Unveil your own epic story as you make your way to the Heart of Chornobyl. Make your choices wisely, as they will determine your fate in the end.
Rogue Command
Classic RTS gameplay fused with a modern roguelite. Shape your build each run by assembling an evolving arsenal of powerful units and facilities. Harvest resources, build out your base. Raise your army and call down orbital strikes to overcome the forces threatening your survival.
Deep Space Cache
Deep Space Cache is a short & simple semi-idle bullet heaven incremental asteroid miner game.
Bioweaver
Bioweaver is an RPG game with the main content of treasure hunting and character building. You can use basic programming logic to deeply customize your skill sets, and you can also create organs with different attributes and functions with the special crafting system.
Space Trash Scavenger
Grab your jetpack and explore procedural asteroid fields, derelict spaceships and abandoned outposts. Build and automate your Space Rig to process scavenged trash. Craft, trade and fight your way home in this interstellar, open-world survival sandbox.
Mind Over Magnet
An attractive puzzle platformer where you use magnetism to escape a factory. Meet a cast of magnet characters and work together to solve logical conundrums.
XENOTILT: HOSTILE PINBALL ACTION
LIGHTNING STRIKES AGAIN!! XENOTILT, the sequel to the cult hit, DEMON'S TILT. Get ready for another PINBALL FANTASY. XENOTILT shreds the envelope with face-melting gameplay & graphics.
Time Treker
Choose your pilot and build your own custom mecha with 17+ weapons and 55+ attachments, then jump to the battlefield against hundreds of enemies to save spacetime itself in this thrilling sci-fi bullet heaven!
ZEPHON
From the developers of Warhammer 40,000: Gladius, ZEPHON is a post-apocalyptic 4X strategy game built on Proxy’s unique tactical combat system. Guide survivors through a turbulent future, navigating unexpected disasters, eldritch horror and cyberpunk monstrosities. What will you do to survive?
Techtonica
Techtonica is a first-person factory automation game with a gripping mystery about mining your way out from the depths of an alien planet. Explore bioluminescent caves, mold destructible terrain, construct a massive subterranean factory. Dig your way toward answers & discover the secrets of Calyx.
Empire of the Ants
Conquer enemy nests and lead your colony through the perils of the forest in this groundbreaking RTS. Empire of the Ants is a photorealistic, third-person real-time strategy game where you command your insect legions in epic battles.