Best Sci-fi Steam Games on Sale
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.
Filters & Lists
Tharsis
Succeeding in Tharsis requires you to make the best of what you have, even if it happens to be a pair of snake eyes. Certain factors may be outside of your control, but that doesn’t mean they can’t be overcome. Tharsis is not a game about facing the odds. It’s a game about changing them.
Space Pilgrim Episode II: Epsilon Indi
One year after the events of Episode I, Captain Pilgrim is once again carrying a shipload of passengers between star systems. This time her guests include a mysterious priestess, a wayward youth and a robotics genius.
City of Chains
City of Chains is a dark sci-fi RPG set in a dystopian city. Take control of a small group of escaped fugitives and lead them to their freedom. Decide whether to fight head on or to avoid combat, to help others or to go your own way, to show mercy or to kill. Your actions could affect the fate of the city.
HELLDIVERS™ Dive Harder Edition
HELLDIVERS™ is a hardcore, cooperative, twin stick shooter. As part of the elite unit called the HELLDIVERS, players must work together to protect SUPER EARTH and defeat the enemies of mankind in an intense intergalactic war.
DARIUSBURST Chronicle Saviours
DARIUSBURST Chronicle Saviours is the latest installment in Taito's DARIUS series of arcade-style shooting games. Blast hordes of alien sea-monsters, and blaze your own trail through branching environments.
Fallout 4
From Bethesda Game Studios, the award-winning creators of Starfield and The Elder Scrolls V: Skyrim, comes Fallout 4. A landmark in open-world RPG design and winner of over 200 ‘Best Of’ honors, including the DICE and BAFTA Game of the Year.
FortressCraft Evolved!
FortressCraft Evolved is a unique blend of Voxel Landscapes, Tower Defense, Crafting, Logistics, Exploration, Combat and Assembly lines. Players begin by crash-landing on a strange alien world, left with only a small handful of starting machines.
Fallout: A Post Nuclear Role Playing Game
You've just unearthed the classic post-apocalyptic role-playing game that revitalized the entire CRPG genre. The Fallout® SPECIAL system allows drastically different types of characters, meaningful decisions and development that puts you in complete control. Explore the devastated ruins of a golden age civilization.
Viscera Cleanup Detail
In Viscera Cleanup Detail, you step into the boots of a space-station janitor tasked with cleaning up after various horrific sci-fi horror events. Instead of machineguns and plasma-rifles, your tools are a mop and bucket. That hero left a mess, and it's up to you to deal with the aftermath.
System Shock: Enhanced Edition
Re-discover what made System Shock the first of it's kind, a ground breaking immersive sim that would inspire a generation of games to come....
Rebel Galaxy
Rebel Galaxy is a swashbuckling space adventure, with action-packed combat, exploration, discovery, trade, and “negotiation” with the outlandish denizens at the edge of the known universe.
Planetbase
Guide a group of space settlers trying to establish a base on a remote planet. Grow food, collect energy, mine resources, survive disasters and build a self-sufficient colony in a harsh and unforgiving environment.
2064: Read Only Memories
2064: Read Only Memories is a cyberpunk point-and-click adventure set in Neo-San Francisco. Team up with Turing, the world's first sapient machine, to unravel a conspiracy that threatens to shake an entire society
Ninja Pizza Girl
Ninja Pizza Girl is a serious game about bullying, emotional resilience – and pizza delivering ninjas! It’s a fast, flow-based game about Gemma, a sixteen-year-old girl trying to keep her dreams alive in face of the most merciless enemies known to any teenage girl – other teenagers.
Assault Android Cactus+
Assault Android Cactus is an intense arcade style twin stick shooter - pick from one of nine unique synthetic heroines and blast your way through overwhelming robots hordes to save the ship from its own workforce. Supports single player and local co-op game modes.
fault - milestone two side:above
fault - milestone two side:above is a Cinematic Visual Novel that takes place right after the events of milestone one. Please note that this novel is a direct sequel to fault - milestone one and contains massive spoilers of the first story. Play through of the first title is highly advised.
METAL GEAR SOLID V: THE PHANTOM PAIN
Ushering in a new era for the METAL GEAR franchise with cutting-edge technology powered by the Fox Engine, METAL GEAR SOLID V: The Phantom Pain, will provide players a first-rate gaming experience as they are offered tactical freedom to carry out open-world missions.
STASIS
STASIS The isometric, point-and-click, sci-fi horror adventure game! In the distant future aboard a seemingly abandoned spacecraft, John Maracheck awakes from stasis. He must push himself to new physical and emotional limits and unravel the mysteries around him.
Satellite Reign
Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.
Mega Man Legacy Collection
Mega Man Legacy Collection is a celebration of the 8-bit history of Capcom’s iconic Blue Bomber featuring faithful reproductions of the series’ origins with the original six Mega Man games.
Planet of the Eyes
An atmospheric narrative-platformer about a service robot stranded on a mysterious planet, Planet of the Eyes features a stunning visual mix of puzzle and platforming challenges, an original musical score, and fully voiced audio logs left by another survivor. Explore the mystery of an unknown world.
Universe Sandbox
Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.
Shadowrun: Hong Kong - Extended Edition
Shadowrun: Hong Kong - Extended Edition is the capstone title in Harebrained Schemes' Shadowrun series - and now includes the all-new, 6+ hr Shadows of Hong Kong Bonus Campaign. Experience the most impressive Shadowrun RPG yet, hailed as one of the best cRPG / strategy games of 2015!
Planetary Annihilation: TITANS
Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!
Airscape - The Fall of Gravity
Airscape is a fast-paced, ultra-challenging 60 level action platformer. You play a deep-sea octopus, kidnapped by a mechanical alien race. Jump, dodge, and swim through a skybound environment full of floating islands, water formations, and robotic terrors.
Through Abandoned: The Underground City
It’s the first game of Through Abandoned series, classical point and click game. You try to find your twin-brother who disappeared in a huge and mysterious place called Abandoned.
The Red Solstice
2280 A.D. The last few survivors of a ruined Earth seek a new home: Mars, a planet whose inhabitants didn't take too kindly to outsiders. The Red Solstice is a tense, tactical, squad-based action game. Fight to survive with up to 8 players in co-op, or lead your own squad in single-player mode.
Infinifactory
Infinifactory is a sandbox puzzle game by Zachtronics, the creators of SpaceChem and Infiniminer. Build factories that assemble products for your alien overlords, and try not to die in the process.