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.
Filters & Lists
Loading...
Odysseus Kosmos and his Robot Quest: Episode 1
What do you do if you are the only one left aboard a spaceship? Your team has embarked on a mysterious expedition a few years ago, the ship’s machinery has started acting up and it seems there are ghosts wandering about. Luckily, the black hole above you doesn’t pose any problems…yet.
SCP: Secret Laboratory
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
Bridge Constructor Portal
Enter the Aperture Science Enrichment Center and experience Bridge Constructor Portal – the unique merging of the classic Portal™ and Bridge Constructor™ games.
Swarm Queen
A quick-to-learn but challenging real-time strategy game where you spawn an army of space-bugs that control themselves.
Stationeers
Stationeers puts you in control of the construction and management of a space station to run by yourself or online with your friends. Complex atmospheric, electrical, manufacturing, agriculture, and gravitational systems require your thought and management at all times!
Star Wars: Droid Repair Bay
In Star Wars: Droid Repair Bay by ILMxLAB, Poe Dameron's sidekick needs your help. Repair BB-8 and his astromech droid friends, each with their own unique personalities, so they can roll back into the fight against the First Order.
Seven: Enhanced Edition
Seven: Enhanced Edition is an open-world, isometric stealth and action role-playing game, in which you play as Teriel, a master thief sent on a mission that will shake the foundations of the Vetrall Empire. Includes the Drowned Past expansion.
STAR OCEAN™ - THE LAST HOPE -™ 4K & Full HD Remaster
Explore the galaxy on your quest, make allies and enemies among the alien races you encounter, and uncover a danger so great that it threatens all of creation.
Megaton Rainfall
Become an indestructible interdimensional superbeing in this first-person superhero game, and save Earth from an alien invasion. Be careful though - you are so powerful you can destroy entire skyscrapers (unintentionally) when you miss your otherworldly target...
Outcast - Second Contact
Outcast – Second Contact is the complete remake of the cult title which sparked the open world, action-adventure genre. Take off on an exploration of Adelpha, an alien world as beautiful as it is dangerous, where your heroic journey places the fate of two worlds in your hands.
Sorry, James
JAMES_GARNER zEiaQe@z1l3
Space Pirates And Zombies 2
Design and then improve the ultimate mothership. Explore a persistent living galaxy populated by 200 unique captains that can do everything you can do. Survive the zombie infection and then fight them back. Make allies and start your own faction. Build your empire. Also includes Sandbox Mode.
.hack//G.U. Last Recode
.hack//G.U. is back! This collection includes all 3 original .hack//G.U. titles, Rebirth, Reminisce, and Redemption, all fully restored and remastered. As well as an all new 4th Volume: .hack//G.U. Reconnection.
Wolfenstein II: The New Colossus
America, 1961. The assassination of Nazi General Deathshead was a short-lived victory. The Nazis maintain their stranglehold on the world. You are BJ Blazkowicz, aka “Terror-Billy,” member of the Resistance, scourge of the Nazi empire, and humanity’s last hope for liberty.
Arcade Moonlander
Explore space and race against the clock in this retro styled adventure game.
Rogue Trooper Redux
A pioneering tactical shooter and landmark comic book adaptation, Rogue Trooper is back, remastered and revitalised in true high definition. Experience acclaimed third-person action in this BAFTA-nominated tale of betrayal and revenge at the far reaches of the galaxy!
ELEX
ELEX is a handcrafted action role-playing experience from the award-winning creators of the Gothic series, set in a brand new post-apocalyptic Science Fantasy universe that puts players into a huge seamless game world full of original characters, mutated creatures, deep moral choices and powerful action.
Cogmind
Cogmind is a sci-fi roguelike epic in which you play a robot building yourself from components found or salvaged from other robots. Explore a living, breathing world through turn-based tactical combat, or sneak, hack, and fly your way to victory.
SAS: Zombie Assault 4
Purge the undead! Intense action-shooter with deep rpg elements, including upgradeable guns and armor, unique class skills, and class special abilities. Entire game can be played single player or as a 4-player online co-op game, including PvP events like Last Man Standing.
Computer Tycoon
Computer Tycoon is a fairly complex Business Grand Strategy game about Computer Evolution. Start in the 70s, invent until 2034, create the best computer systems, upgrade your infrastructure, lead a team, and alter computer history! It is time to "Think Different"
Space Pirate Trainer
Space Pirate Trainer is the official trainer for wannabe space pirates in VR. Pick up your blasters, put on your sneakers, and dance your way into the Space Pirate Trainer hall of fame.
CAT Interstellar
A short story inspired by Robert Heinlein's:The Moon Is a Harsh Mistress
Raw Data
Built from the ground up for VR, Raw Data’s action gameplay, intuitive controls, challenging enemies, and sci-fi atmosphere will completely immerse you within the surreal world of Eden Corp. Go solo or team up and become the adrenaline-charged heroes of your own futuristic technothriller.
Let Them Come
Let Them Come is a fast paced pixel art shoot ‘em up. Twitchy trigger fingers and focused battle tactics are the order of the day as wave after wave of alien-like creatures try to take you down.
ARMORED KITTEN
Awesome side scroll action about Cute and Deadly Kitten with a double shotgun!
RUINER
RUINER is a brutal action shooter set in the year 2091 in the cyber metropolis Rengkok. A wired psychopath lashes out against a corrupt system to uncover the truth and retrieve his kidnapped brother under the guidance of a secretive hacker friend.
Project Nimbus: Complete Edition
Project Nimbus is a high speed mech action game set in a post apocalyptic world. Players control 'Battle Frames' - humanoid battle suits armed with an arsenal of weapons.
Heat Signature
Heat Signature is a game from the developers of Gunpoint where you break into spaceships, make terrible mistakes, and think of clever ways out of them. You take a mission, fly to the target ship, sneak inside, and make clever use of your gadgets to distract, ambush and take out the crew.
ECHO
After a century in stasis the girl En arrives at her destination: A Palace out of legend. Out here, using forgotten technologies, she hopes to bring back a life that shouldn’t have been lost. But nothing could prepare her for what she’ll face in the ancient halls below.
HIVESWAP: ACT 1
A hand-drawn tribute to hilarious '90s adventure games (with none of the accompanying frustration). Play as Joey Claire, a puzzle-solving teen snatched out of her time (1994) and place (Earth) and stranded on a hostile alien planet on the brink of rebellion.
3030 Deathwar Redux - A Space Odyssey
3030 Deathwar is a unique mix of Adventure and Space Sim. Explore star systems, mine and hunt pirates in top-down mode. Leave your ship and switch into classic Adventuring mode, where you explore derelicts, talk to shady characters or head over to the space bar for a drink.
Pixel Gladiator
Distant future… Brutal gladiatorial battles is a top-rated show, extremely popular all over the Universe. You’ve been sent to the abandoned planet as one of the participants of the show. Your goal is to survive as long as possible, fighting back deadly creatures in the focus of billions of viewers.