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.
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Aero GPX
Aero GPX is an anti-gravity racer focused on high velocity, flight, machine-to-machine combat, and responsive controls that are easy to pick up but difficult to master. Fight for the best position possible with high speeds, risky maneuvers, and visceral attacks!
CYGNI: All Guns Blazing
An unrelenting onslaught of eye-popping visuals, ear bursting soundscapes and mind-melting action makes CYGNI the vanguard for the next generation of shoot-em ups. Outgunned, outmanned and out on your own, plunge into a sky full of hell in a last-ditch battle for survival.
Minds Beneath Us
MINDS BENEATH US is an emotional sci-fi narrative game. Through the eyes of a humble individual, experience a mad world where humans are exploited as computing devices for AI. Listen to the concerns of those you meet and offer guidance. Together, face challenges and confront an uncertain destiny.
EARTH DEFENSE FORCE 6
Live the future of despair.The year is 2024 AD. The survivors fought against the remaining threats while trying their best to continue their recovery.Three years passed in the year 2027. In a new world without hope, the time has come to once again resist the fate of the Earth.
Beyond Good & Evil - 20th Anniversary Edition
Embark on this epic adventure in up to 4K 60 fps with improved graphics and audio, a new speedrun mode, updated achievements, and an exclusive anniversary gallery.
Still Wakes the Deep
1975. Disaster strikes the Beira D oil rig off the coast of Scotland. Navigate the collapsing rig to save your crew from an otherworldly horror on the edge of all logic and reality.
Ad Fundum
Take control of a giant mech and dive into an exciting underground adventure in a dieselpunk world! Dig deep, collect valuable minerals, upgrade wisely, explore diverse locations, uncover ancient secrets, and try not to explode! Will you save the world or vanish in the depths below?
Killer Klowns from Outer Space: The Game
Plan your own alien invasion and harvest humans as the iconic Killer Klowns, or gather a team of survivors to fight the extraterrestrial threat, in a game based on the ‘80s cult classic movie. Welcome to a new, craazzy take on the asymmetrical multiplayer horror experience!
Nine Sols
Nine Sols is a lore rich, hand-drawn 2D action-platformer featuring Sekiro-inspired deflection focused combat. Embark on a journey of eastern fantasy, explore the land once home to an ancient alien race, and follow a vengeful hero’s quest to slay the 9 Sols, formidable rulers of this forsaken realm.
Galacticare
Build, manage and optimise intergalactic hospitals! Recruit staff to satisfy the whims of various alien species, and cure their bizarre illnesses - for money! Save the (literal) Galaxy in story mode, or head into sandbox to design the hospital of your dreams.
Zet Zillions
Zet Zillions is a single-player roguelike deckbuilder where you use your cards to make freakish combinations and explode entire planets. BIG-BADDA-BOOM!
Mech Engineer
A dark sci-fi mech assembling manager with semi-auto battles against mutating, alien bio-weapon.
Bagel Love Story
A light-hearted and enjoyable short romance VN! The protagonist, Fan Tong, struggles to lose weight in hopes of finding a job, but the journey is far from smooth. Until one day, a cute and sunny girl named Bagel comes into his life, kickstarting a story of weight loss, cross-dressing, and romance!
Kanna Maze
In an isolated lab beneath the earth, a childhood friend is resurrected. Amidst sealed walls, a spree of killings unfolds. In a godless abyss, parallel worlds entwine like a maze. Where does one find the path to the sole universe of bliss?
Gatekeeper
Gatekeeper is a fast-paced rogue-like. Go on a quest to chase down Chaos and reclaim the stolen Heart of Time, fighting your way through relentless enemy forces. Play solo or in 4-player co-op and become the next Gatekeeper!
1000xRESIST
You are Watcher, a clone dutifully serving your god when you make a grave mistake. Surface a 1,000-year-old lie from the cosmic shadows and unravel a tapestry of familial pain, love, and revolution.
Cluckmech Oasis
Cluckmech Oasis, a top-down shooting Roguelike tower defense game. Play as the Warcluck and lead your team of animal heroes in a fight for survival. Collect, build and upgrade defenses, and engage in intense battle against waves of plant enemies.
Genome Guardian
COMBINE WEAPONS in the microscopic roguelite turret shooter with macroscopic depth. Survive 6 modes using an astounding array of turrets, perks, mutations and power-ups on this psychedelic journey to the heart of the abyss. Shmup Mode turns it into a vertical shoot 'em up!
SaGa Emerald Beyond
FORGE YOUR OWN TALE The latest standalone entry in the SaGa franchise, SaGa Emerald Beyond, brings together the very best elements of the beloved series to offer each player their own unique gameplay experience.
Meta-Ghost: The Breaking Show
Immerse yourself in the reality show — "Breaking Show", where you engage in real-time battles with various intelligent machines using cybernetic enhancements and weapons. Whether for personal gain or lofty ideals. Fight! Until you reach the final victory on this Rogue-lite journey.