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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1000 days to escape
Only 1000 days left until the end of the world. You have to realize the largest space program ever to save as many people as you can. Explore planets, colonize them, help people find a new home.
Interstellar Space: Genesis
Interstellar Space: Genesis is a turn-based space 4X strategy game in which you attempt to build a thriving galactic empire. Discover mysteries among the stars, colonize worlds, and engage enemies in tactical turn-based combat on your journey to becoming the ruler of the galaxy!
The Orville - Interactive Fan Experience
Step aboard the USS Orville (ECV-197), the Planetary Union's finest mid-level exploratory class cruiser. With every room on every deck recreated with painstaking accuracy, you are free to explore the ship at your leisure and engage in all manner of shenanigans!
Galaxy Squad
Galaxy squad is a hardcore turn-based tactical roguelike, inspired by FTL and XCOM.
EARTH DEFENSE FORCE 5
Stand and fight for humanity. This arcade shooter takes place in the year 2022, as the Earth Defense Force fends off an all-out attack by unknown life forms. Become an EDF soldier, battle against endless hordes of immense enemies, and restore peace to the earth.
GOAT OF DUTY
Goat of Duty is a fast-paced multiplayer shooter where goats armed to the horns bleat face to face in a relentless deathmatch. Ram and troll your friends, own the craziest goatstumes, and put your skills to the test in the quirkiest FPS ever. Are you ready to become the GOAT of goats?
HARDCORE MECHA
HARDCORE MECHA is a 2D platformer action focusing on a better handling. The Campaign mode offers rich gameplay and seamless in-game cut-scenes for an immersive experience. Choose your favorite mecha, experience the fast-paced hardcore competitive battle of steel in Multiplayer!
Aperture Hand Lab
Experience the high fidelity virtual reality of your own hands like never before.
SpaceEngine
The world's first science-based photorealistic interactive 3D planetarium that models the entire Universe, using procedural generation for uncharted areas.
Quake II RTX
Quake II RTX is a cutting-edge, ray-traced reimagining of id software’s old school classic, by NVIDIA’s Lightspeed Studios. Global lighting effects, including realistic reflections, refraction, shadows, ambient occlusion and global illumination are a result of the path-traced simulation of light.
Trover Saves the Universe
From Squanch Games comes Trover Saves the Universe. Your pups are missing. The cosmos is at stake. Only you and Trover can save everything in this bizarre comedy adventure!
Gato Roboto
Pounce inside of your cozy armored mech and set off on a dangerous trek through an alien underworld full of irritable creatures and treacherous obstacles in a valiant effort to save your stranded captain and his crashed spaceship.
Void Bastards
Inspired by BioShock and System Shock 2, Void Bastards is a revolutionary new strategy-shooter that will test your wits as well as exercise your aim. Can you lead the misfit prisoners of the Void Ark through the derelict spaceships and myriad dangers of the Sargasso Nebula?
Splitgate
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.
Interstellar Transport Company
Build a galactic transportation empire and supply humanity with everything it needs to colonize the stars. In this sci-fi logistics simulator, grow your company from a local transport agency into an interstellar logistics behemoth! Singleplayer, vs AI, and online multiplayer.
GLADIABOTS - AI Combat Arena
Assemble your robot squad, construct their AI and send them in the battle arena to see your strategy play out. Iterate, improve and repeat until you outsmart all your opponents and friends online.
Eden Rising
Brace yourself for a brand new action-packed Open World. Explore a huge world to gather materials for gear and defenses. Use everything at your disposal to defend your bases and defeat hordes of hostile monsters. Play solo or up to 8-player online!
Iron Marines
Real-time strategy battles in amazing sci-fi worlds! Command brave soldiers, mighty mechas and powerful aliens to face the greatest challenges in hostile alien worlds. The galaxy needs you!
RAGE 2
RAGE 2 brings together two studio powerhouses – Avalanche Studios, masters of open world insanity, and id Software, creators of the first-person shooter – to deliver a carnival of carnage where you can go anywhere, shoot anything, and explode everything.
STAR WARS™ Battlefront (Classic, 2004)
Fight the greatest battles in the STAR WARS universe any way you want to. The choice is yours.
Tales of the Neon Sea
Welcome to a world of intrigue and suspicion. Where humans and robots contend with escalating tensions and mutual distrust. And where gangster felines scheme their way to the top of the food chain. Welcome to the Tales of the Neon Sea!