Best Sci-fi Games on Steam
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.
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Aliens: Fireteam Elite
Aliens: Fireteam Elite is a cooperative third-person survival game set in the iconic Alien Universe. Battle through hordes of different types of Xenomorph, customize your character and gear, and level-up as you try to contain this ever-growing threat.
Sunshine Heavy Industries
Welcome to Sunshine Heavy Industries! As the new spaceship engineer, solve increasingly tricky design puzzles with your own personal style. Manage customer demands, juggle budget and ship performance, and survive the questionable decision making skills of your business partner.
Starmancer
From a small 2-man team comes a unique space station management sim. Take on the role of an A.I commanding a lost space ark. Try not to let your crew run amok and wreck the place.
Jupiter Hell
True Roguelike. Turn-based shooter. Permadeath. Tribute to the sci-fi classics of the Golden VHS era. Successor to DRL. Just you and your gun against hordes of horrors and monstrosities. Give them hell to the rhythm of heavy metal.
Stellar Warfare
Space RTS with base building and ship customization. Personal passion project. More than 200 available ships, weapons and modules to design your fleet with. Contains a small campaign, several single and multiplayer game modes and a coop game mode. Also contains Wave defense!
Blaster Master Zero 3
The Pinnacle of Mutant Blasting Action Is Here! — Blaster Master Zero 3's hybrid of sidescrolling and top-down action is back for its 3rd chapter, and more intense than ever before!
Chernobylite Complete Edition
Chernobylite is a science-fiction survival horror RPG. Set in the hyper-realistic, 3D-scanned wasteland of Chernobyl’s Exclusion Zone, explore a non-linear storyline in your search to uncover the truth of your tortured past.
HighFleet
Battle for survival in the skies of a mysterious future Earth in this unique action-strategy game mixing arcade combat, exploration, management and diplomacy. As giant flying ships wage spectacular aerial warfare, a prophecy tells of one who will save the world – could it be you?
Warhammer 40,000: Battlesector
Warhammer 40,000: Battlesector is a fast-paced turn-based strategy game set in the grimdark universe of the 41st Millennium. Pick your force, develop your army, field mighty heroes and fight for victory using superior strategy, awesome abilities, and devastating weaponry.
Infinite Jump
"Infinite jump"is a breakthrough leisure game. Players need to continuously advance through the levels by making the ball jump over obstacles. The difficulty of the game levels will increase as the number of levels progresses.
The Fermi Paradox
The Fermi Paradox is a choice-driven sci-fi narrative strategy game in which your decisions in one corner of the galaxy can upend entire civilizations in another. Guide species through millennia and help them explore the vastness of space, make contact and, perhaps, create harmony.
SCARLET NEXUS
Choose between Yuito and Kasane, elite psionics each armed with a talent in psychokinesis and their own reason to fight. Complete both of their stories to unlock all the mysteries of a Brain Punk future caught between technology and psychic abilities.
Super Magbot
A precise 2D platformer with a twist. NO JUMPING. Master your magnetic powers to beat each level with speed and skill. Enjoy classic 16-bit gaming vibes, tackle challenging achievements and compete for global leaderboard supremacy along the way.
PULSAR: Lost Colony
The co-op open-world space sim where everyone has a role! Pilot the ship. Reroute power. Launch nukes. Explore alien planets. Research new talents. Work together to find the Lost Colony! ...or just deliver some biscuits
Red Solstice 2: Survivors
Sequel to the best-seller The Red Solstice. Plan your strategy and infiltrate a real-time tactical battlefield - alone or with up to 7 squad members. Can you demonstrate the combat prowess to survive and secure a future for humanity?
Mighty Goose
Mighty Goose is a fast paced run & gun shooter starring a bounty hunter Goose. Use epic weapons and devastating war machines to battle against screen filling bosses and hordes of enemies!
Griftlands
Griftlands is a deck-building roguelite where you negotiate, fight, steal or otherwise persuade others to get your way. Every decision is important, be it the jobs you take, the friends you make, or the cards you collect.
Gaia Project
Gaia Project is the digital adaptation of the boardgame Gaia Project created by Helge Ostertag and Jens Drögemüller and published by "Feuerland Verlag". It is a 1-4 player strategy game. It plays in the same universe as Terra Mystica and continues the adventure in the far future.
Frog Fighters
Frog Fighters is a light-hearted, fast-paced, third-person-shooter where you become a frog on a lily pad with an ability to shoot other flying frogs with different types of laser-leafs.
幽灵高校(Ghost College)
An average college girl takes an elective class and everything is different. Death, spooky, enveloped her, uncovering the truth, looking for clues, making the right choice was the only way.
EARTH DEFENSE FORCE: WORLD BROTHERS
A new EDF adventure begins! Only this time, the action unfolds in a parallel world where the Earth is made of digital blocks. This world has befallen into chaos, as the once peaceful square Earth has been shattered into pieces. Shape aside, it is an Earth nonetheless which needs to be defended.
Imagine Earth
Build your own global colonies on distant worlds. Manage energy and resource supplies and produce goods for space trade. Form economic and diplomatic alliances or take over competing corporations. Conduct research to protect your colonists from disasters and avoid a climate crisis.
Lacuna – A Sci-Fi Noir Adventure
A murder. A hack. A bombing. All it takes to plunge the solar system into war – unless you do something about it. Help CDI agent Neil Conrad make a string of increasingly difficult decisions in this modern dialog-driven adventure set in a gorgeous 2D sci-fi noir universe.
Galactic Mining Corp
Galactic Mining Corp is a unique rogue-lite, action game with crafting and base building mechanics. Head into uncharted space and discover a universe of locations to exploit for riches! Use your profits to expand your HQ, hire a crazy work force, obtain new drill components and upgrade everything.
cyberpunkdreams
2090s America, torn apart by war and corporate greed. A lone traveller stands outside the gates of Cincinnati, greatest of the border cities. How far will you go to make it to the top? How far will you go to fulfil your mission?
Mass Effect™ Legendary Edition
The Mass Effect™ Legendary Edition includes single-player base content and over 40 DLC from the highly acclaimed Mass Effect, Mass Effect 2, and Mass Effect 3 games, including promo weapons, armors, and packs — remastered and optimized for 4K Ultra HD.
Lost Ruins
Lost Ruins is a 2D side-scrolling survival action game, where you play as a young girl that has awoken in a strange and foreign place without her memories. Explore a dark and dangerous world, battle hideous monsters, and topple incredible bosses.
Before We Leave
Before We Leave is a city building game set in a cozy corner of the universe. Nurture your Peeps and their surroundings while rebuilding and rediscovering civilisation. Settle new lands and planets while avoiding hungry Space Whales.
Subnautica: Below Zero
Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.
HUNTDOWN
In the mayhem-filled streets of the future where criminal gangs rule and cops fear to tread, only the bounty hunters can free the city from the corrupt fist of felony. Lay waste to the criminal underworld and make a killing in this hard boiled action comedy arcade shooter.