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Top sellingwith demos with Steam keys tagged Sci-fi (19 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.

GIF
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
Cyberpunk Adventure / Visual Novel
Visual Novel
CrossCode
$19.99
A retro-inspired 2D Action-RPG set in the distant future
Role Playing
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Adventure
A first person exploration science fiction mystery game. Fathom all the story exploring an abandoned cargo spaceship.
Adventure
Fumiko!
$6.99
This gravity-defying 3D Platformer takes you on a surreal trip through a twisted virtual network.
Platformer
GIF
Sipho
$13.99
Design a creature and eat your way to the top of the food chain.
Simulation
GIF
Bezier
$9.99
The mindless blaster with a big heart.
Action
S.O.R.S
£6.99
A sci-fi doctor simulation game
Simulation
When a VR console feels more "real" than reality itself, Lilya must confront her beliefs about the nature of existence.
Visual Novel
A mature dark sci-fi space opera with 24 different endings
Visual Novel
Dual Control Action Puzzle Adventure!
Puzzle
Five days ago, Janet left her dorm to go on a date. She never returned.
Visual Novel
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Platformer
GIF
CATYPH is a First Person Adventure game reminscent of Myst. Visit moon Tytaah and solve the challenging puzzles.
Adventure
In space no one can hear you KREEP
Action
You're too good at baseball and aliens are invading. Send them back home with a home run!
Action
GIF
The undead ground is not flat anymore.
Action
GIF
The hardest sci-fi shooting sidescroller
Adventure