Discounted 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.
Filters & Lists
Out There: Ω Edition
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction.
Elite Dangerous
Take control of your own starship in a cutthroat galaxy. Elite Dangerous is the definitive massively multiplayer space epic.
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.
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.
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.
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.
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.
Hyperdimension Neptunia Re;Birth1
Packed with fast-paced, turn-based RPG action, fourth-wall-breaking, trope-demolishing dialogue, and more item, weapon, and costume customization than you can shake a Lvl. 1 Stick at, Gamindustri is a world set on turning the concept of the JRPG on its head!
Super Galaxy Squadron EX Turbo
Super Galaxy Squadron is a fast-paced vertical shooter designed for human beings as well as SHMUP veterans. Featuring multiple game modes, a challenging but merciful difficulty curve, forgiving health system, and SEVENTEEN playable ships.
Outcast 1.1
Outcast 1.1 is an enhanced version of the critically acclaimed action-adventure game developed in 1999 by Appeal for the PC.
Dead Effect
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
The Talos Principle
The Talos Principle is a first-person puzzle game in the tradition of philosophical science fiction. Made by Croteam and written by Tom Jubert (FTL, The Swapper) and Jonas Kyratzes (The Sea Will Claim Everything).
StarMade
The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!
Warhammer 40,000: Armageddon
In this hex-based, turn-based strategy game, players will lead the Imperial forces of the Armageddon Steel Legion and Space Marines from a variety of Chapters against the Ork invasion through over 30 scenarios, on the hostile terrain of the planet and its gigantic Hive Cities.
Call of Duty®: Advanced Warfare - Gold Edition
Call of Duty®: Advanced Warfare envisions a powerful future, where both technology and tactics have evolved to usher in a new era of combat for the franchise.Power Changes Everything.
REVOLVER360 RE:ACTOR
The world really does revolve around you in this mind-bending shooter where changing your perspective could save your life.
DeadCore
DeadCore is a Platformer-FPS blending exploration and speedrun. Become immersed in a futuristic and dreamlike adventure which will see you climb a huge Tower born from the void and truly put your capabilities to the test. Will you be able to reveal the secrets that lie beneath this fog-ridden world?
Borderlands: The Pre-Sequel
Launch into the Borderlands universe and shoot ‘n’ loot your way through a brand new adventure that rockets you onto Pandora’s moon in Borderlands: The Pre-Sequel!