Top selling$5 or less with Steam keys tagged Sci-fi (52 results)
Explore games with Steam keys tagged Sci-fi on itch.io. Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant plan · Sell your games with Steam keys on itch.io to have them show up here.
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CreatorCrate
$4.99
A slapstick rampage. Outsmart everything that wants you dead with your grabby robot arm. Improvise and CREATE!
Platformer
SKIPCHASER
$4.99
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
Alt-Frequencies
$4.99
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
Make your choices. Live with the consequences. Good luck.
Adventure
Spirits of Xanadu
$4.99
An atmospheric first person shooter set aboard a deserted starship in an alternate 1980s.
Action
The well back to your job has been absorbed inside a sasquatch sex amulet.
Adventure
Explore a mysterious half-sunken ruin on an alien world in this Low-Poly Action-Adventure game!
Action
Ultra Mission™
$2.99
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Shooter
Aliens Go Home Run
$3.99
You're too good at baseball and aliens are invading. Send them back home with a home run!
Action
Program Your Tower Defense!
Strategy
You have a unique opportunity to study the data regarding an identity change experiment.
Adventure
Play in browser
Space Maze
$4.99
Controlling a drone, exploring beautiful but dangerous Sci-fi maze, revealing a weird meme story of the future world.
Adventure
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