Best Sci-fi Games on Steam
Unlike generic lists, our game recommendations use a rigorous analysis of Steam user reviews to identify and feature only the best, community-validated sci-fi games.
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NEO AQUARIUM - The King of Crustaceans -
YOU GET TO CONTROL UNIQUE CREATURES LIKE LOBSTERS, CRABS AND BARNACLES, IN A WILD WATER WORLD THAT EXCEEDS ALL HUMAN SENSE.
The Silent Age
Experience a post-apocalyptic world like never before in The Silent Age, a thrilling point-and-click adventure game. Use time travel to unravel the mystery behind humanity's disappearance and save the world from extinction. Start your journey now!
Magnetic: Cage Closed
Magnetic: Cage Closed is a first person puzzle game where the player manipulates magnetic forces to accomplish their goals. The mechanics are focused around a single tool: The Magnet Gun which allows you to create electromagnetic fields with either positive or negative charges.
Technobabylon
A cyberpunk adventure game from the studio that brought you Gemini Rue and Blackwell! The year is 2087. Genetic engineering is the norm, and an omnipresent AI powers the city. Take control of three citizens of this world as they struggle to understand a deadly conspiracy.
Axiom Verge
Explore and uncover the mystery of a surreal alien world by blasting aliens and glitching your environment in this intense retro side-scrolling action/adventure.
Galactic Civilizations III
Build a civilization that will stand the test of time in the largest space-based strategy game ever! Choose from dozens of unique races and make a name for yourself across the galaxy through diplomacy, espionage, technological advances, and more.
Invisible, Inc.
Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.
Wolfenstein: The Old Blood
Wolfenstein®: The Old Blood™ is a standalone prequel to the critically acclaimed first-person action-adventure shooter, Wolfenstein®: The New Order. This adventure spans eight chapters and features the hallmarks of MachineGames – thrilling action, immersive story, and intense FPS combat.
STAR WARS™ - X-Wing Alliance™
A neutral family fights for its business - and its survival - and is swept up in the struggle against the encroaching Empire. You must defy the strong-arm tactics of a rival family who will stop at nothing to destroy your trading company.
STAR WARS™ - X-Wing Special Edition
Against the overwhelming might of the Empire stands a small but growing Rebel Alliance. Scattered resistance groups are uniting and what is needed most now are Starfighter pilots. Will you join their struggle to end this tyranny and become a hero of the Rebellion?
Kerbal Space Program
In Kerbal Space Program, take charge of the space program for the alien race known as the Kerbals. You have access to an array of parts to assemble fully-functional spacecraft that flies (or doesn’t) based on realistic aerodynamic and orbital physics.
Environmental Station Alpha
Explore an abandoned space station in this retro-themed explorative action platformer.
JumpJet Rex
Test your dinosaur jump-jet skills with a game that redefines the platformer genre, aptly renaming it "platflyer." Simply put, you're a t-rex with rocket boots trying to save earth from an incoming asteroid. Do you have what it takes to stop it?
Convoy
Convoy is a tactical roguelike-like inspired by Mad Max and FTL in which you cross a wasteland in search of parts for your broken ship. Presented in pixel art and set in a future post-apocalyptic setting, Convoy is a squad based tactical combat roguelike-like in its core.
Halo: Spartan Strike
Halo: Spartan Strike makes you a Spartan supersoldier battling evil forces. Delve into 30 challenging missions through cities and jungles using a devastating arsenal of weapons, abilities and vehicles including the iconic Warthog against the Covenant and Promethean enemies. *DirectX feature level 10 required*
Elite Dangerous
Take control of your own starship and blaze your trail in an ever-changing galaxy. Master the arts of combat, mining and trade or venture out into the unknown across a 1:1 scale universe.
Sun Blast: Star Fighter
Sun Blast is the best 3d space shooter on Steam. Earn upgrades as you fight your way through a huge seleciton of levels. Full gamepad support!
Out There: Ω Edition
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction.
VoidExpanse
Explore the vast reaches of VoidExpanse -- mine asteroids, upgrade your ship, trade, complete missions, advance your character and survive fast-paced combat with hostile aliens and mercenaries in the rich and exciting Sci-Fi universe of VoidExpanse!
The Spatials
It's the year 5781 -- and you have been chosen to build and lead a space station in a wild corner of the galaxy! Attract visitors and explore hundreds of planets to fund your station.
Star Ruler 2
Massive scale 4X-RTS set in space. Control hundreds of planets, manipulate galactic politics, research numerous advanced technologies, and command thousands of units and hundreds of planets in your quest for galactic dominance.
Spirits of Xanadu
At the farthest edge of the explored universe, the research ship Xanadu slumbers in orbit around a mysterious planet. Her systems remain active but there has been no message from her crew for months. Now a lone operative has been sent to wake the Xanadu and bring her home to Earth.
Requiem: Desiderium Mortis
Requiem: Desiderium Mortis is a Free-to-Play MMORPG set in a dark distant world where an event known as the "Thanatos Incident" rendered the world almost unlivable. Create your own biological weapon known as a Temperion and experience the horrors that grip Ethergia.
Republique
Help a woman named Hope escape in a thrilling and topical stealth-action game that explores the perils of government surveillance in the Internet Age.
Homeworld Remastered Collection
Experience the epic space strategy games that redefined the RTS genre. Control your fleet and build an armada across more than 30 single-player missions. Choose unit types, fleet formations and flight tactics for each strategic situation.
Disney•Pixar WALL-E
Based on the 2008 computer animated film from Pixar Animation Studios, the video game version of WALL-E involves playing as the lonely robot as he navigates a trash-tainted world and begins an unlikely trek across the cosmos.
There Came an Echo
There Came an Echo is a real-time strategy game in which the player assumes command of a small squadron, using an advanced voice recognition system to issue orders. It features a character-driven sci-fi narrative that stars Wil Wheaton, Ashly Burch, Laura Bailey, Yuri Lowenthal, and more!
Reassembly
A spaceship building and universe-exploration game. Collect resources, expand and grow your fleet, and conquer your personal galaxy. Stellar ambience by Peaks.
Morningstar: Descent to Deadrock
Crash-landed on a desolate, alien planet, what should've been a routine work-for-hire job for Powell has become a deadly mission to save the merchant vessel Morningstar and her crew.
Raptor: Call of The Shadows - 2015 Edition
The great action-crazed, guns blazing, shoot ‘em up game comes back straight out of the ‘90s. Raptor: Call of the Shadows and its futuristic world are ready to challenge your flying skills.
Plazma Being
Take control of Zeb in this puzzle/platformer. He is a small energy based life form from space, known as a Plazma Being. While journeying through space to his home, Zeb was surprised to find that he was being kidnapped by aliens. They took him back to their planet and unceremoniously threw him into captivity.
Destination Sol
Pilot your ship in the seamless open world made of space, planets, and more. Find new ships and equipment, find allies and beat all the enemies in this open source space shooter!