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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Rebel Galaxy Outlaw
Out of cash, out of luck, out on the fringe. Juno Markev has a killer to tail, a debt to pay, and more trouble headed her way. Rebel Galaxy Outlaw takes place in a greasy, blue-collar world of outlaws, truckers, cops and thieves.
Mythgard
Welcome to Mythgard, a fantasy cyberpunk CCG of heroes, gods, and mythical beasts. Master the unique lane and mana systems in your rise to the top or enjoy team play with a friend. New players can use the code WelcomeChallenger to get 20 free packs and more to start their journey.
Rushdown Revolt
Rushdown Revolt is a platform fighter featuring 12 dazzlingly unique characters and best-in-the-business rollback netcode.
Ostranauts
Ostranauts is a hardcore noir space-sim. Manage life aboard your ship, and beware the cost of every decision you make. Scavenge and explore the boneyard. Create, build, and customise your ship. Hire a crew to help but remember, nothing is more certain than death and taxes.
Star Renegades
Star Renegades is a dimension spanning rogue-lite strategy RPG. Outsmart uniquely generated adversaries, forge bonds between heroes and end the cycle!
High Entropy: Challenges
Use computers (via GUIs or the command line), unlock doors, crawl through vents, fight enemies head on or find other ways to neutralize or avoid them...
Iron Harvest
A classic real-time strategy game with an epic single player campaign, multiplayer & coop, set in the alternate reality of 1920+
Wasteland 3
Following the critically acclaimed 2014 Game of the Year winner Wasteland 2, the RPG series that pioneered the post-apocalyptic genre in video games returns with Wasteland 3.
Control Ultimate Edition
Winner of over 80 awards, Control is a visually stunning third-person action-adventure that will keep you on the edge of your seat.
Sense - 不祥的预感: A Cyberpunk Ghost Story
A 2.5D horror game inspired by Clock Tower and Fatal Frame, mixing cyberpunk with traditional Cantonese folklore. With careful attention to pacing, atmosphere and storytelling, Sense hopes to return the horror genre to its roots by celebrating visceral horror and the slow, fearful creep of dread.
BLEACH Brave Souls
The world of mega-hit manga and anime BLEACH comes to Steam in this exciting 3D action game! Build a team using your favorite characters from the BLEACH universe!
Popup Dungeon
A tactical roguelike RPG inspired by our favorite tabletop games that lets you create any ability, item, villain, hero, and game imaginable.
CHRONOSHOT
CHRONOSHOT is a free-to-play score-driven sci-fi arena shooting game, with specialized time mechanics. The player is equipped with a Jetpack, several weapons, and special ammunition which can be used to turn the tide against the enemy and dominate the leader board!
Empyrion - Galactic Survival
Build and explore in a true space sandbox survival adventure. Construct mighty capital vessels, sprawling planetary settlements, and vast space stations in your galactic journey to discover the mysteries of Empyrion!
Phantasy Star Online 2 New Genesis
Phantasy Star Online 2 New Genesis is a free-to-play action MMO. Join players around the world to explore the planet Halpha and fight in epic battles as ARKS Defenders! Unleash your imagination with our ultimate character creation experience and creative spaces to create your own phantasy.
The Citadel
The Citadel is a brutal first person shooter, and a love letter to classic games such as Marathon, Doom and Wolfenstein 3d. Descend into the depths of a dark citadel, and fight through 6 Episodes and 30 levels of action packed with 6 challenging bosses. Go forth, Martyr.
ARMORED HEAD
ARMORED HEAD is a miniature shooter, where all the action takes place in one arena. The main character is a gladiator who fights against his opponents in pursuit of the grand prize.
Hellpoint
Hellpoint is an intense action RPG taking place on Irid Novo, a derelict space station soaked in an intoxicating dark sci fi atmosphere. Fight dreadful creatures, face the Cosmic Gods and unravel their twisted story. Should the challenge be too great, play with a friend in local or online coop.
Core Defense
A roguelike tower defense game with a dash of deckbuilding. Choose a reward, improve your build, survive the next wave, repeat. Highly replayable, difficult, and addictive. You'll want just one more wave, just one more run!
Destroy All Humans!
The cult-classic returns! Terrorize the people of 1950's Earth in the role of the evil alien Crypto-137. Harvest their DNA and bring down the US government in the faithful remake of the legendary alien invasion action adventure. Annihilate puny humans using an assortment of alien weaponry and psychic abilities.
Wind Peaks
In a place called Wind Peaks, mysteries happen, help the scouts find all the missing objects in this fun and relaxing adventure of treasure hunt