Sci-fi Games
Discover 17614 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17614 games tagged with sci-fi
0ReckFall
Stranded on an alien earth-like planet after a failed mission, you’ll need to gather resources, build shelter, and fight to stay alive. Explore strange biomes, uncover hidden secrets, and decide whether to rebuild or escape before the planet claims you.
0Starship Command: Orion Spur
Command the CSV Leonidas in authentic capital ship warfare. Lead from the bridge or take direct control as war erupts in the Orion Spur. Your ship. Your crew. Your orders.
0PHANTOM CAMPER : REBIRTH
PHANTOM CAMPER:REBIRTH is an anime-style side-scrolling action-adventure. Play as Audrey Hill, a girl from another world, collect post-apocalyptic surface resources, bring them back to the space station to build a base and repair the RV until she leaves.
0Decimation
Sci-fi tower defense meets ARPG-like hero combat. Build towers then fight alongside them with your hero as you battle through a campaign to uncover the fate of a colonization effort on a distant planet.
0The Rusted
Explore hauntingly beautiful, abandoned environments filled with corrupted machines in a rusted world. Test your platforming skills, and fight to survive. The Rusted is a fully hand-drawn action-adventure where you play as a loyal robot dog.
0a Dogs Dream
Test your sixth sense. Will you eat a wild rabbit, or tie someone to the train tracks? Every choice is yours to make. May you find a reason to laugh inside your nightmares.
0AMANZI
AMANZI - a stealth-action first person SCI-FI game. Currently in development - demo out soon! This game puts you in the shoes of a tech specialist discovering the secret of what has brought the city state of Amanzi to the brink of civil war. Stealth, hacking, and smart decisions are your best tools
0H=ZERO
In a future where humanity has vanished, machines maintain vast underground complexes under the command of artificial intelligences. You are a unit activated to deliver a mysterious payload. Face hostile systems, precision challenges, and uncover the forgotten purpose of your existence.
0Chromatic Battles
Match colors to survive enemy waves. Control and upgrade your rotating ship in this shooter-survival blend. Journey through space to save Kaleida!
0Astrogeo
Astrogeo is a fast-paced retro shooter with unlockable ships, strategic weapon swapping, and escalating waves of enemies and bosses. Upgrade wisely and fight for the highest score!
0DOPAmine Overdrive
【Survivor × Rhythm × Action】 Step onto the Cyber-POP stage of a virtual future, move to the beat, wipe out waves of data noise enemies, and ignite the crowd’s dopamine with sound, light, and rhythm to create your own C-POP live performance.
0BaseStar
Dive into a classic grid-based dungeon crawler RPG in a sci-fi setting with unique classes, each offering a distinct playstyle. Immerse yourself in a fully voiced sci-fi story brought to life by two main characters, guiding you through a narrative full of twists and turns with real-time combat.
0ALYUP
Alyup: An insane power fantasy. Unleash a cosmic barrage of hyperspheres with godlike powers, ascend the vast reaches of space like blazing rockets to razor-edged arena clashes, rescue fallen allies in tactical duels, grind stats to forge apocalyptic strikes, or perish in one devastating flash!
0HORDEKILL
In an unknown realm, you slay hordes of nightmarish swamp monsters.
0Mermaids are Seafood
Gamble your blood, upgrade your luck with insider deals, and maybe sew fish tails onto human torsos. Are mermaids more like fish, people, or monsters? Will you save them, or sell them to pay off your debts? This is a psychological horror game where choices matter.
0Galactic Overthrow
Conquer the galaxy in this incremental game of space conquest. Manage resources, expand your empire, and grow your influence. Simplified mechanics are easy to pick up and fun to master with campaigns that can be finished in one short sitting.
0Closed Circuit: Recursive Idle
Build, upgrade, and automate a circuit of ever-looping machines. Turn small node chains into powerful functions and unlock exponential idle growth that never stops.
0R-Type Dimensions III
Building on the legacy of R-Type Dimensions and R-Type Dimensions EX, Dimensions III has been completely re-envisioned with cutting-edge visuals and sounds, expanded gameplay modes, and a range of new features designed to deliver the most definitive modern edition of R-Type’s classic era.
0Death Imminent
Explore a planetary station lost in the far reaches of the Universe as crew members awakened from cryosleep. Work together to uncover the causes of what is happening and, if you’re lucky, survive and escape from the depths of this man-made hell.
0Murderous Sunlight
In a dark world where Holy mages rewrite probability and Profane forces trap the dead in eternal patterns, Murderous Sunlight blends exploration, psychological depth, and occasional combat in an unsettling journey. Unravel a linear, character-driven story about trauma, identity, and defiance.