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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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.
Kona II: Brume
Northern Québec, 1970. A bizarre mist —the Brume— is disconnecting a rural mining village from its quiet reality. Step into the shoes of Detective Carl Faubert as he unfolds the mysteries haunting the region while battling for his own survival.
EMPTY SHELL
EMPTY SHELL will throw you in a dark industrial environment, a secret facility on a Japanese island. Each volunteer has signed a contract for a "recovery operation" without being privy to too many details. A tense roguelite survival horror with a top down perspective.
Nuclear Option
Fly near-future aircraft with immersive physics on intense battlefields, facing land, air and sea threats. Wage war against AI or other players with an array of potent weapons. Wield tactical and strategic nuclear weapons, capable of annihilating anything in their path.
Disgaea 7: Vows of the Virtueless
Disgaea is back and better than ever in Disgaea 7: Vows of the Virtueless! Join Fuji as he embarks on a perilous journey of redemption, and experience unique features new to the Disgaea series!
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!
Fortune's Run
Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.
Beneath Oresa
Beneath Oresa, a fighting roguelike deckbuilder, takes you deep within the city to confront your foes. As a strategist, choose your cards, upgrades, and artifacts wisely, but as a fighter, turn their positioning to your advantage.
LIZARDS MUST DIE
The great exploits of the Ancient Rus in the war with the lizards. Immerse yourself in the world of Hyperborea and defeat hordes of Lizards and other unholy who encroached on holy places Ancestors. Choose a blessed hero and go save the world from the green plague.
Relic Hunters Legend
A Top-Down Shooter/Looter RPG with a touching story inspired by JRPG classics. Shoot enemies, get loot, and customize your characters. Multiple endgame systems and over 100 hours of play await you solo or up to 4-player co-op!
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.
Stella of The End
Jude Gray, a wandering Courier, receives a request to deliver some very special cargo. This cargo turns out to be Philia, an android girl who is unaffected by the enigmatic Singularity Machines.
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.
Farlight 84
1st Pet Capture Battle Royale!
CARNAGE OFFERING Tower Defense
The replicator robots are back! It's 2528. The machines are increasingly infecting the planets with genetically modified monsters. Challenge them and try to stop the onslaught. Upgrade buildings and heroes, mine resources, discover technology and fight to save humanity!
Boti: Byteland Overclocked
Jump, Dash, Slide! Dive into a classic 3D platformer experience with Boti: Byteland Overclocked. Explore the stylized insides of a computer as a determined data robot and save Byteland from an ominous threat. Play solo or team up with a friend in seamless co-op.
Dune: Spice Wars
A 4X real-time strategy game from the developers of the critically acclaimed Northgard. Set in Frank Herbert’s groundbreaking Dune universe, you must lead your faction and battle for control and dominance over the harsh desert planet of Arrakis.
Eternights
Eternights is a dating action game where you try to make the most out of life during the apocalypse. Monday: Go on a date. Tuesday: Clear dungeon. Friday: Freak out! The clock is ticking!!