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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Dyson Sphere Program
Build the most efficient intergalactic factory in space simulation strategy game Dyson Sphere Program! Harness the power of stars, collect resources, plan and design production lines and develop your interstellar factory from a small space workshop to a galaxy-wide industrial empire.
ROG CITADEL XV
ROG Citadel XV is a single-player, free to play FPS, combined with cutting-edge ROG product display. Dive into the new chapter to experience the story and challenges in this flying fortress.
I'a I'a Cofflhu Fhtagnyaa
"I'a'Ia Cofflhu Fhtagnyaa" is a Galgame with Cthulhu mythology, with three female (xie) masters (shen) who can be attacked, 8-10 hours of game time. Working in a coffee shop, I accidentally discovered the indescribable secret of this shop...
Understanding, The Game
'Understanding, the game' it's a suspense/investigation horror indie game inspired in classic horror games! Full Game coming as soon we can! Help us grow the game!
CrashMetal - Cyberpunk
CrashMetal - Cyberpunk The Hokuta City streets await your engine rev. Can you beat everyone in this race for first place? Upgrade your car, take care of its appearance and defeat everyone on the streets of the Hokuta City.
SPACERIFT: Arcanum System
At the sunset of human life on planet Earth, you are a military pilot controlling a space ship, and you find yourself at the very epicenter of the battle in the solar system. You are forced to retreat into the unknown, distant Arcanum system through hyper-jumping.
Cyberpunk 2077
Cyberpunk 2077 is an open-world, action-adventure RPG set in the dark future of Night City — a dangerous megalopolis obsessed with power, glamor, and ceaseless body modification.
Shadow Empire
Shadow Empire is a deep turn-based 4X wargame with a unique blend of military focus, procedurally generated content and role-playing features. Players take the seat of the supreme ruler of a small nation, with the goal of reconquering a devastated planet.
Per Aspera
Make Mars your own! Take control of the world’s most sophisticated AI (AMI) and terraform the surface of the Red Planet for a city-building experience on a planetary scale. Transform this barren world into a lush paradise and explore the surface for any ancient secrets that may be waiting.
Haven
Two lovers gave up everything and escaped to a lost planet to be together. Glide through a mysterious landscape, explore a fragmented world and fight against what’s trying to tear them apart in this RPG adventure about love, rebellion, and freedom.
Creeper World 4
The unstoppable fluid enemy has returned and destroyed every world in its path! Defend against Creeper as it floods across the 3D terrain in this real time strategy game where the enemy is a fluid.
Project Wingman
Project Wingman is a flight action game that lets you take the seat of advanced fighter jets and become a true ace. Fight in various missions and gamemodes ranging from intense aerial dogfights to large scale ground assault in an alternate scorched earth setting.
HIVESWAP: ACT 2
Continue Joey and Xefros’s adventure through the dark and dangerous planet Alternia. Meet dozens of unique and memorable characters, some more helpful than others, as you navigate this volatile alien culture. Hurry up! There’s a train to catch.
Ghostbusters: The Video Game Remastered
The beloved and critically acclaimed Ghostbusters video game is back! Strap on your proton pack once again and join the Ghostbusters on the adventure with the voice and likeness of the original crew as you battle to save New York!
Rover Mechanic Simulator
As an Engineer - crew member of one of the first Mars colonies - you are responsible for repairing and maintaining Mars Rovers. In this advanced simulator you will learn the internal details of various Mars Rovers and their components.
Möbius Front '83
Defend America from an alternate-universe America using state-of-the-art 1980s military hardware in this intricate and tactical turn-based strategy game.
Apex Legends™
Apex Legends is the award-winning, free-to-play Hero Shooter from Respawn Entertainment. Master an ever-growing roster of legendary characters with powerful abilities, and experience strategic squad play and innovative gameplay in the next evolution of Hero Shooter and Battle Royale.
Space Commander: War and Trade
Fight, explore the stars, trade, and lead your fleet across the galaxySpace Commander: War and Trade is an ultimate single player space-sim featuring spectacular graphics, intuitive combat and deep mechanics.
Quantum Protocol
A deckbuilding card game where it's always your turn. Play as the master hackers of Quantum and take on the most dangerous malware in the world. Every action matters. Make plays, upgrade your deck, and break the enemy board!
Pacer
PACER is high-octane anti-gravity racing at its most destructive. Customise your craft and weapons then engage in the campaign, a single-player race or compete against your rivals in explosive online multiplayer for the ultimate combat racing experience.
Transient: Extended Edition
H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.
Ghostrunner
Ghostrunner offers a unique single-player experience: fast-paced, violent combat, and an original setting that blends science fiction with post-apocalyptic themes. It tells the story of a world that has already ended and its inhabitants who fight to survive.
The Outer Worlds
The Outer Worlds is an award-winning single-player RPG from Obsidian Entertainment and Private Division. As you explore a space colony, the character you decide to become will determine how this player-driven story unfolds. In the colony's corporate equation, you are the unplanned variable.
Drone Swarm
Drone Swarm is a very unique take on tactical games. Control 32,000 drones in quick, fast-paced fights. Combine your swarm abilities and counter constantly evolving attacks of your opponents. Survive varying enemy waves, get upgrades to your swarm, and make it to the next system alive!