Top rated$15 or less with Steam keys tagged Sci-fi (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 路 Sell your games with Steam keys on itch.io to have them show up here.
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beautiful twine compilation
Rated 4.9 out of 5 stars
(50 total ratings)Adventure
Farming Sim In The Shadow Of The Lift
Rated 4.9 out of 5 stars
(32 total ratings)Simulation
open-world galaxy adventure game
Rated 4.8 out of 5 stars
(38 total ratings)Adventure
Text-based space exploration game
Rated 4.7 out of 5 stars
(49 total ratings)Interactive Fiction
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
You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons.
Rated 4.8 out of 5 stars
(30 total ratings)Visual Novel
Neutral. Shield. Danger.
Rated 4.7 out of 5 stars
(41 total ratings)Shooter
surreal exploration game set within a divine monument
Rated 5.0 out of 5 stars
(12 total ratings)Adventure
Match-3 Trash Pile Defender
Rated 4.8 out of 5 stars
(20 total ratings)Puzzle
Cyberpunk Adventure / Visual Novel
Rated 4.6 out of 5 stars
(45 total ratings)Visual Novel
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
Rated 4.5 out of 5 stars
(85 total ratings)Action
Extrasolar musical explorer
Rated 4.9 out of 5 stars
(12 total ratings)Adventure
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Dark Train
$9.99
steampunk vehicle adventure made of paper
Rated 4.6 out of 5 stars
(25 total ratings)Adventure
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
Alt-Frequencies
$4.99
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Rated 4.5 out of 5 stars
(53 total ratings)Interactive Fiction
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
(19 total ratings)Action
You never know what will be the last thing you say to someone.
Rated 4.5 out of 5 stars
(30 total ratings)Role Playing
Orion Trail
$7.99
Become famously incredible or incredibly dead in this choose-your-own-space-adventure!
Rated 4.3 out of 5 stars
(101 total ratings)Adventure
SKIPCHASER
$4.99
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Rated 4.7 out of 5 stars
(13 total ratings)Shooter
The Silent Age
$9.99
Lose yourself in The Silent Age, the thrilling point-and-click adventure.
Rated 4.6 out of 5 stars
(11 total ratings)Adventure
Redirection
$3.50
A 3D puzzle game about rescuing Robots stranded in outer space.
Rated 4.4 out of 5 stars
(23 total ratings)Puzzle
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
Rated 4.4 out of 5 stars
(29 total ratings)Shooter
PAWARUMi
$14.99
Rock-Paper-Scissors with Aztec Lasers!
Rated 5.0 out of 5 stars
(8 total ratings)Shooter
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
MegaSphere
$14.99
A sci-fi themed action platformer in a randomly generated world.
Rated 4.5 out of 5 stars
(13 total ratings)Platformer
Rated 4.4 out of 5 stars
(14 total ratings)Adventure
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
Old-School FPS/Metroidvania Hybrid. Step through a portal to a mysterious world.
Rated 4.1 out of 5 stars
(93 total ratings)Shooter
A game about photographing aliens so that your employers can turn them into toothpaste.
Rated 4.9 out of 5 stars
(8 total ratings)Adventure
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