Best 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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Scavenger SV-4
Scavenger SV-4 is a highly replayable atmospheric first-person science fiction game. Part simulator, part roguelike, it has elements of action, combat, resource management, and a dash of horror. It is not quite like any game you have played before.
Tesla vs Lovecraft
Tesla vs Lovecraft is an intense top-down twin stick arena shooter from the creators of Crimsonland and Neon Chrome. Play as the enigmatic inventor Nikola Tesla harnessing the static energy to power up Tesla-Mech and give the lovecraftian nightmares a lesson in horror!
Iconoclasts
Join renegade mechanic Robin and uncover the secrets of a dying planet. Explore a big world filled with intricate puzzles, interesting characters and menacing bosses in a beautiful platform adventure that tells a personal story about faith, purpose and the challenge of helping people.
Subnautica
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
The Red Strings Club
The Red Strings Club is a cyberpunk narrative experience about fate and happiness featuring the extensive use of pottery, bartending and impersonating people on the phone to take down a corporate conspiracy.
The Crooked Man
There was a crooked man, and he walked a crooked mile... This is the first title in the series known as The Strange Man, developed by Uri Games. Experience the myriad horrors awaiting David as he moves into his new house.
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
Swarm Queen is a quick-to-learn but tactical and challenging tug-of-war strategy game about insectoid aliens trying to murder each other.
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
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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.
GTTOD: Get To The Orange Door
RISE. FALL. REPEAT. Ascend to the level of the Gods as you battle your way out of a shattered and chaotic dimension in this fast paced parkour FPS rogue-like.
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.