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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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Defend Earth against the Colonies in this sci-fi shoot 'em up!
Action
A slapstick rampage. Outsmart everything that wants you dead with your grabby robot arm. Improvise and CREATE!
Platformer
Extrasolar musical explorer
Adventure
Play in browser
beautiful twine compilation
Adventure
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
open-world galaxy adventure game
Sokpop CollectiveVerified Account
Adventure
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
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
A haunting, dying world foreshadowing rebirth.
Adventure
JEF
$3.99
3rd person surreal adventure game
Adventure
An atmospheric first person shooter set aboard a deserted starship in an alternate 1980s.
Action
Tier 1
$4.99
A 2D space combat game
Action
The well back to your job has been absorbed inside a sasquatch sex amulet.
Adventure
A stealth-action metroidvania
ffVerified Account
Action
Explore a mysterious half-sunken ruin on an alien world in this Low-Poly Action-Adventure game!
Action
A modern-classic 2D Platformer
Platformer
Be the coolest pizza delivery shop in the Jovian system!
Shooter
The Atomic Robbery
Adventure
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Platformer
DriftForce is a super fast endless racing game.
Racing
In space no one can hear you KREEP
Action
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Shooter
Metroidvania with a fun sci-fi story.
Platformer
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
Alien spaceship simulator
Puzzle
A bizarre point-and-click RPG adventure!
Visual Novel
You have a unique opportunity to study the data regarding an identity change experiment.
Adventure
Play in browser
Controlling a drone, exploring beautiful but dangerous Sci-fi maze, revealing a weird meme story of the future world.
Adventure
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