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.
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Horizon Zero Dawn™ Complete Edition
Experience Aloy’s legendary quest to unravel the mysteries of a future Earth ruled by Machines. Use devastating tactical attacks against your prey and explore a majestic open world in this award-winning action RPG!
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.
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.
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!
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.
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!
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.
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
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.
Beneath a Steel Sky (1994)
After being abducted by brutal soldiers and his kinfolk butchered, Robert Foster finds himself in Union City - a vast metropolis under the tyranny of a fascist AI. Alone, save for the circuit board of his best friend, Foster must discover the sinister truth - and why they specifically came for him.
Krush Kill ‘N Destroy 2: Krossfire
Krush Kill 'N Destroy 2: Krossfire is a fast and furious post-apocalyptic real-time strategy game where you have to be quick or be dead. Play as one of three unique factions in the struggle to seek out and conquer oil fields to fuel your army.
5D Chess With Multiverse Time Travel
It's the first ever chess variant with spatial, temporal, and parallel dimensions. It's 5D Chess With Multiverse Time Travel! Move pieces back in time to create branching timelines. Send a rook to a parallel dimension. Protect your kings in the present and in the past!
Vertigo Remastered
An immersive story-driven shooter incorporating the cutting edge of VR gameplay, Vertigo Remastered is a complete overhaul and occasional reimagining of the 2016 original.
STAR WARS™: The Old Republic™
STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.
SpaceBourne
Spacebourne is an open space exploration game with Rpg elements. Its world consists of different factions at war. You as an expert pilot need to choose your side or be on no one's side and create a force of your own. Load up your weapons, Ready your ship and warp to adventure.
Death Come True
Everything rides on your choices in this new wave interactive movie game. Experience a thrilling science fiction mystery in full-length live-action format—from genius creator of the "Danganronpa" series, Kazutaka Kodaka!
Beyond a Steel Sky
From multi-award winning Revolution comes ‘Beyond a Steel Sky’, a groundbreaking 3D adventure thriller, set in an AI-driven future. Subvert the world, hack the systems and solve dark conspiracies to uncover the devastating truth.
Vectromirror 0™
Become the Test Subject and attempt to complete a challenging experiment to awaken emotional responses in your Artificial Intelligence. Jump, wall-run, and parkour your way through the free-to-play prequel to the upcoming game.
Starship EVO
Create the Starship of your dreams, explore the vast expanse of the galaxy, land on planets and jump into epic space battles. Experience a truly unique and powerful building engine where your imagination is the limit. Welcome to the next evolution in Space Sandbox gaming!