Sci-fi Games
Discover 17717 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17717 games tagged with sci-fi
0XenoFields: Frontier
Cultivate the Unknown in XenoFields: Frontier; a farming RPG situated on an alien planet. After crashlanding, you must brave unique biomes to discover new life forms, craft materials to build a habitable farm, and ultimately terraform the planet! Play with friends and uncover the mysteries together!
0Bunny Battle Nemesis
Enjoy a fast-paced modernized beat 'em up/hack and slash combat, either solo or co-op, with Bunny Battle Nemesis! Fight through legions of futuristic mercenaries, robots and their fearless leader Amanda, to defend the Leporidae Kingdom from certain doom.
0Gear Slayer CCG
A free-to-play anime-style multiplayer trading card game set in the sci-fi fantasy world of Aurellia; featuring epic elemental combat and vast deck building.
0the EXECUnit
A girl group of three from EXECUnit is sent to investigate the planet codenamed "Ironclad." Explore a world where threats lurk around every corner, track down and eliminate high-level threats, complete missions and side jobs.
0Double D. F.
To bring you the old school 2D space arcade feeling in a modern look and feel. Whether you like the hard core style of the old days, or you have become the more lay back type, shoot your way home at the fun rate for you. Upgrade your ship on the way home, to get ready for the final battle. Have fun!
0Ironweld
You're an action figure dropped into a world running out of iron. Enemies throw everything at you. So do you. Combos, directionals, specials, screen-filling ultimates. 20+ moves ready at once. Build your fighter the way you want to fight. Every hit lands louder and harder than the last.
0Super Terrestrial
A roguelite autoscroller, where you control a spaceship navigating procedurally generated levels. Use limited aerial jumps and hover abilities to dodge hazards, collect gems, and explore alternate biomes. Each run features upgrades, power-ups, dynamic enemies, and challenging bosses.
0Hell Bug
Crush mutant bugs, unlock new allies from the remains of defeated bosses, and build your own swarm of chaos! Hell Bug is a fast-paced roguelite shooter where every boss you defeat brings you closer to expanding your army with strange and powerful bugs. Each bug has a story, some shouldn't be told.
0Look A Bazooka
Zone out for an afternoon of mindless jumping and shooting in this very first third-person-shooter-like. LOOK A BAZOOKA is a casual shooting game where you can destroy everything, together with your friends and family. Humanity is ending and only one man can save it; but he doesn't know.
0HackOS
HackOS: The ultimate hacking MMO. Dive into a shared, ever-evolving world of espionage, dilemmas, competition & collaboration — all via your terminal. Inspired by classic hacking games and refined for modern players, HackOS combines the depth of simulation with the excitement of arcade gameplay.
SPEEDUS -SHEDDING SPEED CARD- PLUS
"SPEEDUS -SHEDDING SPEED CARD" is a competitive card battle game based on the classic card game "Speed." Quickly play cards from your hand that connect to the numbers on the field! Utilize skills and abilities to your advantage—the player who empties their deck and hand first wins!
0Astro Combat
This is an "Arcade-style Beat 'em Up" with "Real-time Tactics" and "Action RPG" elements. Choose to engage in a rampage or opt for stealth. After the main story, explore regions, collect items, battle foes, and develop your team.
0ApesCape
In a deep-sea station lost at the bottom of the ocean, the pressure is rising and water is flooding the facility. In this cooperative FPS, every second counts. Work together to find the exit before everything is swallowed by the depths.
0HikiDama
Platform through a variety of scenarios, or compete in races using the best vehicle man could invent, a metal ball.
0Magnesian
Magnesian is a platformer game where you unravel the mysterious story of a character lost in time and space, blending pixel art with 3D graphics.
0Space Grunts: Chrono Shard
Master time. Stop the Ooze. Outsmart a galactic infection in this high-speed, turn-based roguelike. Use your Chrono Shard to loop the timeline, leaving gear and upgrades for your future self. Craft your arsenal, evolve your skills into elite sub-classes, and turn every death into an advantage.
0Uncharted Sectors
A grand strategy game built on a deep economic simulation and orchestrated by an intelligent AI storyteller. Ensure the survival of your domain at the edge of the galaxy: colonize worlds, manage populations, navigate politics, design custom goods, and master dynamic markets.
0Someone's Inside Me
Your teacher Ms. Morbid has trapped you and your classmates on a deadly multiplayer field trip inside a human body! With proximity chat, two teams must scavenge, sabotage, and outwit each other to see who escapes first.
0杀剧回环：衔尾之蛇 Killing Tragedy Samsara: Ouroboros Reincarnation
A.D.2046 Spring, Hecate, the great novelist, was invited to La Stella Domani Detective Competition, and unexpectedly forced to play a murder game among gifted and criminal teens. With the power of time loop, could she crack those perfect crimes?
0Infinite Onslaught
Infinite Onslaught is a fast-paced, on-rails arcade shooter that immerses players in a relentless battle against overwhelming odds, delivering non-stop action from start to finish. Pixel art, retro, cartoonish military style. It uses Keyboard Basher technology to provide light-gun-style gameplay.