Sci-fi Games
Discover 17756 sci-fi-tagged games on Steam. Find the best games with this tag.
Games with Sci-fi
Explore 17756 games tagged with sci-fi
0Sunset Arena
A synthwave party game that transforms your Steam Deck into a coffee table arcade cabinet. Take on friends in a top-down shooter where the only control you need is a joystick. Customize, Power-up, and Derezz your way to victory.
0Castle Rain
Castle Rain is a 3D top-down action game where you control Billy, a mushroom whose island was devastated by a villain who turned his friends and everyone around into manipulated zombies.
0Wild Cosmos
You crashed into an unknown asteroid belt. Explore this alien world, leap between asteroids and find a way to repair your spaceship.
0Black State
An action-packed third-person shooter with stunning visuals and high performance. A secret scientist organization summons you for a mysterious mission; rescue captives and uncover the truth behind a cataclysmic event. But beyond the portal doors lies an unknown fate. Are you ready to enter?
0Null Causality
INFILTRATE, EVALUATE, ANNIHILATE. Working together or alone, exploit a time loop to gather information, create a plan, and neutralize a rogue intelligence system threatening to destroy humanity in this first-person sci-fi knowledge-based immersive sim.
0Oceaneers
A survival-crafting colony sim set in a flooded world of unstable islands. Build a colony, craft gear, design rafts, fend off sharks, manage your survivors, and explore island bunkers to uncover lost Float-Tech from an old-world corporation.
0Chemist Wanted
“Chemist Wanted” is a crafting game with a difference. In this lab simulator, you use real chemistry to create specific compounds. Set up your equipment, run the experiment and create your products. The higher the purity, the more money you will earn!
0Savage Gears
Savage Gears is a violent, single-player alt-history Africa Cold War shooter. Armed with an Iron Fist and an arsenal of devastating weaponry, you play as Ero Lei'Bourne, a S.P.E.A.R. operative, in the middle of a dangerous conspiracy.
0GRIDHACK
GRIDHACK is a sci-fi puzzle RPG where you fight nonogram battles to hack your way on an intergalactic quest as you try to find out what happened to a planet called Earth!
0Galactic Inferno
Sci-Fi RPG: Engage in epic battles, upgrade your hero, and conquer the galaxy!
0DeathGearX
A thrilling online PVP battle game! Experience the Ultimate Mech and Tank Battles! Create unique mechs, tanks, and armed jeeps, and master diverse weapons with distinct advantages.
0R.E.A.P.E.R. Corp.
A co-op horror about scavenging a post-apocalyptic earth and eating your friends.
0Terrafarmers Inc.
Tame wild planets, create environments friendly to humans. Fight for survival, farm the land, craft items, build, automate — Terrafarm.
0GrimWhimsy
In GrimWhimsy, you and your friends are convicted criminals thrown into the dark corridors of a forgotten laboratory. Survive, trick the monsters, and laugh together when things go wrong. Can you escape this hell? Find out for yourself!
0Attack on Mutation Station
Unravel a genre-hopping mystery about neon spaceships, alien plants, digital demigods, and the nature of reality in... Attack on Mutation Station.
0Gambamba
Gambamba entered a virtual world where things do not make sense. They found themselves able to move around with portals. In this third person game you will experience many different things.
0Black Camelot
Shoot, slice, or cast spells and take control of any enemy to uncover his story and dark secrets hidden within the cursed and isolated ruins of a neo-Nazi castle. Embark on the bloody crusade in this eerie fast-paced 2D action shooter and discover that even sinners have their dreams.
0Rat Race Ritual
Poison your boss with your friends. Trap him, get him fired, and make him guess your next move. Or hide in cloak mode, sneaking through pipes and covers. Clocks that speed up time, tools to block paths, and 10 player lobbies!
0Brickoid
Humanity’s fate rests on your balls. Take control of four paddles aboard Earth’s last spaceship and destroy the space brick menace in this bold twist on classic breakout.
0Mission Andromeda
Escape from Earth! Navigate procedurally generated levels using your trusty Jetpack and Laser rifle, gather precious Ores to trade and Biomass to fuel your ship "Mole-1" on it's way to the final destination, Andromeda!