Top ratedwith demos with Steam keys tagged Sci-fi (34 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 路 Sell your games with Steam keys on itch.io to have them show up here.
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CrossCode
$19.99
A retro-inspired 2D Action-RPG set in the distant future
Rated 4.8 out of 5 stars
(444 total ratings)Role Playing
螖V: Rings of Saturn
$9.99
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Rated 4.8 out of 5 stars
(44 total ratings)Simulation
Dodge and collect micro-organisms 馃
Rated 4.8 out of 5 stars
(26 total ratings)Survival
Take on an army of alien soldiers and killer robots
Rated 4.8 out of 5 stars
(36 total ratings)Action
A retro sci-fi comedy point and click adventure featuring the hapless Captain Disaster.
Rated 4.7 out of 5 stars
(39 total ratings)Adventure
Cyberpunk Adventure / Visual Novel
Rated 4.6 out of 5 stars
(45 total ratings)Visual Novel
Extrasolar musical explorer
Rated 4.9 out of 5 stars
(13 total ratings)Adventure
Play in browser
Date Warp
$10
Five days ago, Janet left her dorm to go on a date. She never returned.
Rated 4.8 out of 5 stars
(14 total ratings)Visual Novel
Power of Ten
$11.99
single star fighter trying to save as many civilians as possible before they are overrun by a marauder armada.
Rated 4.7 out of 5 stars
(20 total ratings)Action
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Rated 4.3 out of 5 stars
(37 total ratings)Interactive Fiction
CATYPH is a First Person Adventure game reminscent of Myst. Visit moon Tytaah and solve the challenging puzzles.
Rated 4.5 out of 5 stars
(10 total ratings)Adventure
</reality>
$11.99
When a VR console feels more "real" than reality itself, Lilya must confront her beliefs about the nature of existence.
Rated 4.2 out of 5 stars
(36 total ratings)Visual Novel
Walthros: Renewal
$14.99
Make some friends, eat some burgers, and unearth terrible secrets from the depths of space.
Rated 4.9 out of 5 stars
(7 total ratings)Role Playing
Core Defense
$9.99
A roguelike tower defense game with a dash of deckbuilding.
Rated 5.0 out of 5 stars
(4 total ratings)Strategy
Dual Control Action Puzzle Adventure!
Rated 5.0 out of 5 stars
(4 total ratings)Puzzle
Bezier (PC)
$9.99
The mindless blaster with a big heart.
Rated 3.4 out of 5 stars
(10 total ratings)Action
Aliens Go Home Run
$3.99
You're too good at baseball and aliens are invading. Send them back home with a home run!
Rated 3.8 out of 5 stars
(6 total ratings)Action
A space shooter for helping less experienced players get better.
Rated 5.0 out of 5 stars
(2 total ratings)Shooter
You have a unique opportunity to study the data regarding an identity change experiment.
Rated 5.0 out of 5 stars
(2 total ratings)Adventure
Play in browser
The hardest sci-fi shooting sidescroller
Rated 4.0 out of 5 stars
(3 total ratings)Adventure
Pharmakon
$3.41
Turn-based tactical puzzle game about drones fighting beasts.
Rated 3.5 out of 5 stars
(2 total ratings)Puzzle
Operation KREEP
$2.99
In space no one can hear you KREEP
Rated 5.0 out of 5 stars
(1 total ratings)Action
After three apocalyptic events known as the "Catalysts", the remains of humanity fight for control.
Rated 5.0 out of 5 stars
(1 total ratings)Visual Novel
The Superfluous
$3.99
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Rated 5.0 out of 5 stars
(1 total ratings)Platformer
The Stickman made of dark matter and ketchup, from Dark dimension of an alternative universe, is cursed to be tortured
Rated 4.0 out of 5 stars
(1 total ratings)Simulation