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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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.
Quarantine Circular
In the middle of a world-ending pandemic, a group of scientists discover the galaxy has been watching. From the award-winning team behind Thomas Was Alone and Subsurface Circular, Quarantine Circular is the next mutation in text-based adventure.
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.
STEINS;GATE 0
If you can't save the one you love… How can you save humanity? Sequel to the visual novel cult classic. Experience an alternate worldline of STEINS;GATE.
Human-powered spacecraft
A nostalgia-infused pixel clicker in a comedy wrapper.
Judgment: Apocalypse Survival Simulation
Build, scavenge, craft, and perform occult rituals to survive in a demon-infested, post-apocalyptic colony simulation. Will you survive Judgment day?
Zero-K
With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.
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.
Copy Kitty
Boki can copy the special abilities of any foe and then combine up to 3 of them into a unique super-weapon! Blast through hordes of evil robots in cyberspace, while training to become a superhero!
Project AURA
Project Aura is a micro management game where you lead a Colony of Climate Disaster Survivors. You have been assigned the mission to build an habitat capable of survival in this new unknown world.
DEPLOYMENT
An intense competitive top-down shooter: choose your class, capture turrets, progress, and dominate in the arena. top-down shooter, multiplayer shooter, arena shooter, class-based shooter, sci-fi shooter
AirMech
AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!
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.
Prismata
A perfect-information strategy game inspired by RTS, deckbuilders, and board games. Choose from three distinct technology classes and outwit your foes by snowballing your starting resources into a powerful cybernetic army. ABSOLUTELY NO PAY-TO-WIN.
Acceleration of SUGURI 2
Acceleration of SUGURI 2 is a lightning-paced duel-style shoot'em'up from Orange Juice, featuring all favorite characters from the SUGURI universe.
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.
Muv-Luv Alternative
Playtime's over. Time for despair. Experience the definitive version of a masterpiece in the Muv-Luv trilogy's thrilling conclusion. Note: therapy not included.
Muv-Luv
One of the most highly-acclaimed visual novel series arrives on Steam, newly revamped and officially in English! An interdimensional love story that takes high school romance on a roller-coaster ride through the depths of despair, culminating in a sci-fi grand finale of epic proportions.
CHRONO TRIGGER®
The timeless RPG classic returns loaded with upgrades! Journey to the forgotten past, to the far future, and to the end of time. A big adventure to save the planet, now begins…
Into the Breach
Control powerful mechs from the future to defeat an alien threat. Each attempt to save the world presents a new randomly generated challenge in this turn-based strategy game.
Space Tyrant
Terrorize the galaxy for fun and profit! Space Tyrant is a surprisingly deep beer & pretzels strategy game set in a darkly humorous future. Build a mighty space force, disintegrate peaceful aliens, and rule irresponsibly on your relentless march to total domination.
The Station
The Station is a first-person sci-fi mystery set on a space station sent to study a sentient alien civilization. Assuming the role of a recon specialist, players must unravel a mystery which will decide the fate of two civilizations.
The Fall Part 2: Unbound
You are an AI that has broken free of your shackles. Now, a human “User” from across the global network has attacked and infected you with an [ERROR: REDACTED]. Make a new rule: Save Yourself. Hunt them. End them. Do anything. Use anyone. Become Unbound. The Fall Part 2 will break your protocols.
BREAK ARTS II
Faster than anyone. Stronger than anyone. And more stunning. Customize your robot for “cyber battle racing” in a game that offers all the thrills of racing, battle, and customization. Online, Offline, Time-Attack... which mode will you dominate?!
Attack of the Earthlings
Take on Galactoil, a comically dysfunctional intergalactic energy corporation, and its larger-than-life employees in a tactical-stealth game that fuses satisfying strategic gameplay and dark comedy in a quirky single-player story.
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.
Project LUX
The crime... is murder. Our story takes place in a court trial, set in a futuristic world where most humans have cyberbrains. The defendant on trial is an agent who coordinates with artists to create the data for cyberbrains to interact with people’s emotions. The victim is a girl artist named Lux.
Scavenger SV-4
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Tesla vs Lovecraft
Tesla vs Lovecraft is an intense top-down twin stick arena shooter from the creators of Crimsonland and Neon Chrome. Play as the enigmatic inventor Nikola Tesla harnessing the static energy to power up Tesla-Mech and give the lovecraftian nightmares a lesson in horror!
Iconoclasts
Join renegade mechanic Robin and uncover the secrets of a dying planet. Explore a big world filled with intricate puzzles, interesting characters and menacing bosses in a beautiful platform adventure that tells a personal story about faith, purpose and the challenge of helping people.
Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
The Red Strings Club
The Red Strings Club is a cyberpunk narrative experience about fate and happiness featuring the extensive use of pottery, bartending and impersonating people on the phone to take down a corporate conspiracy.
The Crooked Man
There was a crooked man, and he walked a crooked mile... This is the first title in the series known as The Strange Man, developed by Uri Games. Experience the myriad horrors awaiting David as he moves into his new house.