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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UnderRail
Underrail is an old school turn-based isometric indie role playing game that focuses on exploration and combat. The game is set in a distant future, when the life on the Earth’s surface has long since been made impossible and the remnants of humanity now dwell in the Underrail, a vast system of metro station-states that, it seems, are...
Total Annihilation
What began as a conflict over the transfer of consciousness from flesh to machines escalated into a war which has decimated a million worlds. The Core and the Arm have all but exhausted the resources of a galaxy in their struggle for domination.
MechWarrior Online™ Legends
MechWarrior Online™ Legends is a tactical, 'Mech-based online shooter set in the vast BattleTech Universe. Assume the role of an elite MechWarrior, piloting powerful BattleMechs, fighting for supremacy over the Inner Sphere.
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.
AX:EL - Air XenoDawn
Combining the very best of sci-fi and aerial dogfighting gameplay, AX:EL delivers a totally new gaming experience. Create your very own shape-shifting vehicle and dominate both the sky and the ocean.
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.
The Last Dream: Developer's Edition
“Reality and dreams are about to become entwined…..” The Last Dream: Developer's Edition" is a casual adventure game which, despite having some classic casual elements, will also offer a greater challenge for more experienced gamers.
Impossible Creatures Steam Edition
Impossible Creatures is a 3D RTS game that pits the player against an evil villain. Using Earth’s most formidable animals as building blocks, the player must create an army of genetically-altered mutant monsters in a titanic struggle to protect an unsuspecting world.
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.
ePic Character Generator
Create realistic or hand-drawn character images you can use as assets for your games, illustrations for your stories, or avatars for your role-playing sessions. Export your images as PNG files with or without a background, or as a layered PSD image for further customization.
Call of Duty®: Black Ops III
Call of Duty®: Black Ops III Zombies Chronicles Edition includes the full base game plus the Zombies Chronicles content expansion.
Anno 2205™
In Anno 2205™, you join humankind‘s next step into the future with the promise to build a better tomorrow. You conquer Earth, establishing rich, bustling cities and grand industrial complexes, but to secure the prosperity of your people, you must travel into space.
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.
Endless Sky
Endless Sky is a 2D space trading and combat game inspired by the classic Escape Velocity series. Work your way up from a relatively wimpy shuttle, cargo ship, or fighter, to a highly upgraded and customized flagship or to a massive fleet of warships or freighters.
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....
Twinsen's Little Big Adventure 2 Classic
Twinsen's Little Big Adventure 2 Classic is a retro action-adventure game originally released in 1997. After saving the world from the evilish Doctor Funfrock, Twinsen is now ready to face a new threat coming from outer space.
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.
Sublevel Zero Redux
Sublevel Zero Redux is a roguelite six-degree-of-freedom shooter in a universe where reality is falling apart. Use your zero-g gunship to fight through a vast underground facility, looting advanced weapons to destroy hordes of deadly enemies.
2064: Read Only Memories
2064: Read Only Memories is a cyberpunk thriller that explores the social challenges of tomorrow through classic adventure gaming. A journalist-turned-detective teams up with Turing, the world’s first sapient machine, to unmask a conspiracy that will shake the foundations of Neo-San Francisco.