Top rated$15 or less with Steam keys tagged Sci-fi Page 3 (119 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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Out There: Omega Edition
$14.99
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction
Rated 4.7 out of 5 stars
(3 total ratings)Shooter
Dark Scavenger
$4.99
A bizarre point-and-click RPG adventure!
Rated 4.7 out of 5 stars
(3 total ratings)Visual Novel
Ironseed
$14.99
Ironseed 25th Anniversary Edition
Rated 4.0 out of 5 stars
(4 total ratings)Role Playing
BLACKHOLE
$8.99
Hardcore Adventure Puzzle Platformer
Rated 4.3 out of 5 stars
(3 total ratings)Platformer
Survive the Horror of the Ninja
Rated 3.8 out of 5 stars
(4 total ratings)Action
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
A space shooter for helping less experienced players get better.
Rated 5.0 out of 5 stars
(2 total ratings)Shooter
The hardest sci-fi shooting sidescroller
Rated 4.0 out of 5 stars
(3 total ratings)Adventure
Bewildebots
$7.99
Please try to keep our robots alive . They've been through enough...
Rated 3.5 out of 5 stars
(4 total ratings)Puzzle
Space Dragons
$6.90
Choose your spaceship and defeat the alien threat that comes from the Moon.
Rated 3.7 out of 5 stars
(3 total ratings)Shooter
Dr. Atominus
$3.99
Metroidvania with a fun sci-fi story.
Rated 4.0 out of 5 stars
(2 total ratings)Platformer
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Rated 4.0 out of 5 stars
(2 total ratings)Shooter
Pharmakon
$3.41
Turn-based tactical puzzle game about drones fighting beasts.
Rated 3.5 out of 5 stars
(2 total ratings)Puzzle
⚠ Some parts of this game may be considered extreme bullet hell. ⚠
Rated 5.0 out of 5 stars
(1 total ratings)Shooter
HANGAR 8
$3.99
Brave the looping space station, spot anomalies, collect key items, and escape the nightmare!
Rated 5.0 out of 5 stars
(1 total ratings)Adventure
Gunmancer
$8.99
Science fantasy action roguelike top-down shooter
Rated 5.0 out of 5 stars
(1 total ratings)Action
CARSTEROIDS
4.99€
A car combat game set on the Asteroid belt!
Rated 5.0 out of 5 stars
(1 total ratings)Shooter
Tempest Citadel
$9.99
Build a Mighty Citadel in the Clouds, Conquer the Deadly Planet Below
Rated 5.0 out of 5 stars
(1 total ratings)Strategy
Robothorium
$14.99
Robothorium is a futuristic turn-based, rogue-like RPG
Rated 5.0 out of 5 stars
(1 total ratings)Role Playing
The Superfluous
$3.99
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Rated 5.0 out of 5 stars
(1 total ratings)Platformer
After three apocalyptic events known as the "Catalysts", what remains of humanity fights for peace.
Rated 5.0 out of 5 stars
(1 total ratings)Visual Novel
Robot-smashing Twin-stick Action
Rated 5.0 out of 5 stars
(1 total ratings)Action
Operation KREEP
$2.99
In space no one can hear you KREEP
Rated 5.0 out of 5 stars
(1 total ratings)Action
Reroute
$3.99
A challenging puzzle game with lasers and portals.
Rated 5.0 out of 5 stars
(1 total ratings)Puzzle
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
Do you want to feel like REAL Mystery Solver and Explorer?
Rated 4.0 out of 5 stars
(1 total ratings)Adventure
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