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
√Letter - Root Letter -
When a letter is delivered 15 years late - you discover an old pen-friend was involved in a murder, before she disappeared. Travelling to her hometown, you must investigate the murder, using her past letters as clues to uncover the disturbing truth.
CRYPTARK
Cryptark is a 2D sci-fi shooter where you take on the role of a heavily armed privateer seeking to earn government contracts by boarding deadly alien space-hulks. It's up to you to strategize a plan of attack, pick an equipment loadout, and destroy the central core to be victorious.
Nex Machina
Nex Machina is an intense arcade style twin-stick shooter from Housemarque. Taking hints from both Robotron and Smash TV, Nex Machina focuses on pure action, voxel destruction and competition in the distant, cablepunk themed future.
Conarium
Conarium is a chilling Lovecraftian game, which follows a gripping story involving four scientists and their endeavor to challenge what we normally consider to be the ‘absolute’ limits of nature. Inspired by H.P. Lovecraft’s novella "At the Mountains of Madness", but largely set after the original story.
Hover
Experience the thrills of a fast-paced single and multiplayer Parkour game. Join the Rebellion and deride the security forces of an anti-leisure tyranny. Rise up to the many challenges of a futuristic Open World. Assemble your team, enhance your gear and perform incredible tricks and combos.
Putrefaction 2: Void Walker
Putrefaction 2: Void Walker is fast-paced, hardcore, arcade FPS, inspired by old-school shooters.
Vanquish
PlatinumGames’ revolutionary sci-fi action shooter slide-boosts onto PC. Battle legions of future-tech enemies using a vast arsenal of weapons, including all DLC. Fully unlocked framerate and gorgeous HD resolutions up to 4K. The definitive way to play: war has accelerated.
SUPERHOT VR
Lose track of what’s real. Commit yourself, body and mind. Confront the evocative, elegantly brutal world of SUPERHOT VR. Enemies pouring into the room from all sides, dozens of bullets coursing through the air... Wait. Something seems different in here...
Cosmic Trip
Cosmic Trip is an award-winning real-time strategy VR game. Build a base, command a flying drone army, and attack/defend hostile enemies on strange alien planets.
Starpoint Gemini Warlords
Strategy from the front lines! Starpoint Gemini Warlords combines 3rd person capital spaceship combat with 4X strategy and RPG gameplay elements. Build mighty war fleets and send them into battle or lead them into combat yourself. Become the Warlord and conquer the Gemini system!
Prey
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
Scanner Sombre
Scanner Sombre is a 3d horror cave exploration game where darkness is your greatest foe. Illuminate the unseen with your LIDAR scanner, revealing the eerie beauty and peril of the abyss. From the creators of Prison Architect, this immersive adventure uses light and shadow for a haunting experience.
Cosmic Star Heroine
3 exotic planets to explore. Aliens. Robots. Magic. Forbidden technology. Ruined Worlds. Ghosts. Long-lost secrets. Conspiracies. A galactic threat. And one brave heroine to make things right. Cosmic Star Heroine is an exciting new RPG from the creators of Cthulhu Saves the World.
The Signal From Tölva
The Signal From Tölva is an open-world first-person shooter set on a distant, haunted, future world. Unlock savage weapons and recruit robots to fight alongside you as rival factions struggle to discover the source of the mysterious signal. What you discover will decide the fate of a world.
Bulletstorm: Full Clip Edition
Step into the boots of Grayson Hunt after a crash landing on an old resort planet forces him to make a hard choice: survival or revenge. Execute masterful kills with Bulletstorm: Full Clip Edition’s unique combat system that rewards you for performing the most creative and deadly kills imaginable.
Paradigm
Paradigm is a surreal adventure game set in the strange and post apocalyptic Eastern European country of Krusz. Play as the handsome mutant, Paradigm, whose past comes back to haunt him in the form of a genetically engineered sloth that vomits candy.
Turok 2: Seeds of Evil
Having defeated the Campaigner, Turok throws the Chronocepter into a waiting volcano to destroy it. Unfortunately the blast awakens an even deadlier force - The Primagen. Once again a Turok is tasked with restoring peace to the land and stopping the Primagen from merging Earth with the nether world.
Codex of Victory
In this sci-fi turn-based strategy with real-time base-building elements, you’ll be defending human territories against the transhuman Augments. Expand your HQ, and manufacture and upgrade an army of advanced drones to wage interplanetary war for Humanity!
DESYNC
DESYNC is an intense single-player first person action game that begs you to play dangerously and creatively. Eliminate your opponents as you perform violent attack sequences using the explosive digital weaponry and lethal side-arms at your disposal.
Torment: Tides of Numenera
Torment: Tides of Numenera is the thematic successor to Planescape: Torment, one of the most critically acclaimed role-playing games of all time. Immerse yourself in a single-player, isometric, story-driven RPG set in Monte Cook’s Numenera universe. What does one life matter? Find your answer.
Stories Untold
Stories Untold is a compilation tape of four experimental adventures, including a remaster of the original hit episode “The House Abandon”.
Holy Potatoes! We’re in Space?!
Holy Potatoes! We’re in Space?! is a whacky space exploration game where you manage your very own spaceship, craft hundreds of weapons, and explore the vastness of a veggie-filled universe.