Sci-fi Games
Discover 18166 sci-fi-tagged games on Steam. Find the best games with this tag.
Total Games
18,166
Avg Monthly
185
Avg Revenue
$153.7K
Games with Sci-fi
Explore 18166 games tagged with sci-fi
Realize in Peace
If we were to bring a loved one back to life as an AI, and then, for whatever reason, we had to let them go or part ways, would we be able to turn them off?
Ember Express
《余烬列车》是一款科幻主题的轻百合叙事冒险游戏。在人类即将走向寰宇的新世纪，你作为新晋的研究员进入巨型企业COSMIC，在挖掘「ember」事件真相的过程中，与那位看似陌生的上司，共同重启一段被尘封的记忆。
Slot Theory
Draft towers and upgrades. Build deadly synergies. Then watch your defenses trigger massive chain reactions. Slot Theory is a minimalist roguelike tower defense where every decision happens before the wave starts.
Tread Heavy
Tread Heavy is a a Twin-Stick Tank Shooter. Use your main gun, dash, and your expanding series of upgrades to blow up waves of robots. Battle across your arena to collect XP from defeated enemies and return to the centre console to upgrade your tank further!
三位一体の単一点
"AI is hacking into brains, driving people to suicide—" Three strangers with no apparent connection. Their fates inextricably intertwine, ultimately plunging them into a crisis that shakes the world. This is an ensemble drama where human bonds stand against a solitary justice.
Star Castles 2
Physics-based space combat where every battle escalates into chaos. Destroy ships, star bases, and hyperspace carriers before they overwhelm you.
Prototech
Be careful, in the darkness there are surveillance robots ready to kill you at any time. Will you discover the strangeness and secrets behind Prototech's presence at the school.
BAENANA
BAENANA is a fast‑paced top‑down 2D roguelike arena shooter set in a vibrant cyber world. Choose unique fruit heroes with special power‑up skills and wield up to six weapons to fight hordes of hostile vegetables. Customize, upgrade, and survive chaotic cartoon‑styled battles.
N U C L I D E A N
NUCLIDEAN puts you into the shoes of a janitor at a planetary outpost invaded by an alien cult. In this retro boomer-shooter with a Non-Euclidean twist, you will encounter portals, crazy geometry and bloody monstrous enemies. All that on a distant planet where the rules of the Earth do not apply.
Pawn Within: Two Fates
A tabletop SRPG blending match-3, Skill Construction & tactics. Collect parts to craft skill discs, spin for random abilities, then merge or keep them. Equip gear, maneuver on grids, cast spells, and lead unique heroes to defeat challenging bosses in this strategic adventure.
Space Commanders: Solar System
A lone space commander explores real planetary surfaces, builds small outposts, rescues stranded astronauts, and fights to survive in the cold silence of the Solar System.
Banana Belt Miner
a fast-paced twin-stick space shooter where humanity discovers that bananas are the most powerful energy source in the universe, Upgrade your ship, defeat massive enemy warships, and survive endless waves of enemies as you carve your path through the deep space of the banana belt..
Stellar Breach
Blast through massive waves and tough bosses in this chaotic sci-fi roguelite shooter. Guide the charming duo, Barnaby and C.A.T., through a branching narrative via multiple-choice interactions where your story decisions directly alter randomized loadouts and abilities on every run!
Neo Kinetic
Neo Kinetic is a fast-paced anti-gravity racer inspired by classics like Wipeout and F-Zero. Race across the world on over-the-top tracks, tearing through futuristic cities and megastructures at supersonic speeds.
Do Not Destroy
Do Not Destroy is a single-player first-person action game set in randomly generated, fully destructible cities. As the “Concerned Citizen,” you’ll fight against Pluto’s corporate invaders, scavenging their alien technology as you tear through your city and take it back.
Circuit Defense
Circuit Defense is a grid-based tower defense game. Build power lines, connect functional modules, and energize your turrets to create a high-efficiency network. Master your layout and optimize module synergies to survive the relentless enemy swarm.
Mana Reactor
From stone tools to modern weapons and giant mechs — survive, craft, and conquer another world.
The Observatory Incident
Operate a remote deep-space observatory terminal, monitor incoming alerts, and investigate strange cosmic anomalies. Maintain system integrity, decide which alerts to trust, and document the impossible before your shift ends.
World Nexuses: Hyper Racer
A sci‑fi arcade racing game where you pilot advanced spacecraft through futuristic tracks. Master tight controls, react at high speed, and push your reflexes to the limit in pure fast‑paced racing action.
STELLAR BASTION
A sci-fi space station defense auto-shooter where you repel enemy fleets with missiles, mass drivers, phase weapons, and railguns. Upgrade your arsenal, adapt your build, and hold the line against overwhelming odds.