Indie game storeFree gamesFun gamesHorror games
Game developmentAssetsComics
SalesBundles
Jobs

Top selling$5 or less with Steam keys tagged Sci-fi (27 results)

Explore games with Steam keys tagged Sci-fi on itch.io · Sell your games with Steam keys on itch.io to have them show up here.

beautiful twine compilation
Adventure
It is a 2D Old School Scifi themed platform action game based on the story of the Alien called Zack Y .
Platformer
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
Shooter
GIF
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
Make your choices. Live with the consequences. Good luck.
Adventure
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
Tier 1
$4.99
A 2D space combat game
Action
GIF
A stealth-action metroidvania
Action
The Atomic Robbery
Adventure
Your crew mutinied and now you're stranded on an alien world. Low-Poly Action-Adventure game.
Action
GIF
Twin-Stick'n it until your thumbs bleed!
Shooter
DriftForce is a super fast endless racing game.
Racing
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Platformer
Sci-fi hypertext adventure in the style of a motion-comic.
Visual Novel
In space no one can hear you KREEP
Action
Explore a mysterious half-sunken ruin on an alien world in this Low-Poly Action-Adventure game!
Action
A bizarre point-and-click RPG adventure!
Visual Novel
GIF
Robot-smashing Twin-stick Action
Action
You're too good at baseball and aliens are invading. Send them back home with a home run!
Action
Controlling a drone, exploring beautiful but dangerous Sci-fi maze, revealing a weird meme story of the future world.
Adventure
Explore the cosmos as a comet, orbiting planets with a realistic gravity system.
Adventure
Captain a small crew on a life-long mission where you're just as likely to find a cold end as you are love.
Visual Novel
Dropship Down is a fun and intense twin-stick alien shooter for up to four players.
Action
Retro arcade style space blasting fun!
Action