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Sci-fi

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

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sci-fi

Top rated
that last about a half-hour with Steam keys tagged Sci-fi (35 results)

35 results

Explore games that last about a half-hour 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 · Upload your games that last about a half-hour with Steam keys to itch.io to have them show up here.

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Eczema Angel Orifice
$5
beautiful twine compilation
Porpentine
Rated 4.9 out of 5 stars
(47 total ratings)
Adventure
GIF
ΔV: Rings of Saturn
$9.99
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Koder
Rated 4.7 out of 5 stars
(40 total ratings)
Simulation
GIF
Schildmaid MX
$14.99
Neutral. Shield. Danger.
HitP Studio
Rated 4.7 out of 5 stars
(41 total ratings)
Shooter
GIF
Scavenger of Dunomini 🤖
$6
In bundle
Match-3 Trash Pile Defender
PUNKCAKE Délicieux 🥞
Rated 4.8 out of 5 stars
(20 total ratings)
Puzzle
There Was the Moon
$10
surreal exploration game set within a divine monument
Ben Lapid
Rated 5.0 out of 5 stars
(11 total ratings)
Adventure
GIF
Sipho
$17.99
Design a creature and eat your way to the top of the food chain.
Sipho
Rated 4.5 out of 5 stars
(58 total ratings)
Simulation
Brigador
$24.99
Isometric Mech Action
Stellar Jockeys
Rated 4.7 out of 5 stars
(24 total ratings)
Action
Alt-Frequencies
$4.99
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Plug In Digital
Rated 4.5 out of 5 stars
(50 total ratings)
Interactive Fiction
Mars Underground
$1
Adventure / exploration / puzzle game. The player is stuck in a time loop. DEMO.
MarsUnderground
Rated 4.4 out of 5 stars
(27 total ratings)
Adventure
Play in browser
Redirection
$3.50
A 3D puzzle game about rescuing Robots stranded in outer space.
Daniel Ratcliffe
Rated 4.4 out of 5 stars
(23 total ratings)
Puzzle
The Silent Age
$9.99
Lose yourself in The Silent Age, the thrilling point-and-click adventure.
Meridian4
Rated 4.6 out of 5 stars
(10 total ratings)
Adventure
Dread X Collection
$6.99
10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
DreadXP
Rated 4.3 out of 5 stars
(20 total ratings)
Action
Beyond Sunset Demo
A cyberpunk action RPG
Metacorp
Rated 4.3 out of 5 stars
(12 total ratings)
Shooter
Lew Pulsipher's Doomstar
The hidden unit board game of strategy and cunning
LargeVisibleMachine
Rated 4.0 out of 5 stars
(27 total ratings)
Strategy
The Fall of Lazarus
A first person exploration science fiction mystery game. Fathom all the story exploring an abandoned cargo spaceship.
No Wand Studios
Rated 3.6 out of 5 stars
(81 total ratings)
Adventure
RASTER❖PRIME [REMIX]
An Atmospheric Sci-fi Puzzler.
Punk Labs
Rated 4.5 out of 5 stars
(6 total ratings)
Puzzle
GIF
Spectrum Forces 🏳‍🌈
$6
In bundle
Shoot-em-up with a tactical twist! 🛫
PUNKCAKE Délicieux 🥞
Rated 3.4 out of 5 stars
(23 total ratings)
Shooter
GIF
Steam Marines
$19.99
Squad-based roguelike - marines on a steampunk spaceship.
WorthlessBums
Rated 3.4 out of 5 stars
(24 total ratings)
Strategy
GIF
Steam Marines 2
$25
Steam Marines 2 - a steampunk tactics game
WorthlessBums
Rated 3.3 out of 5 stars
(26 total ratings)
Strategy
Ruby & Majesty: Treasure Team
$11.99
Dual Control Action Puzzle Adventure!
TheWzzard
Rated 5.0 out of 5 stars
(3 total ratings)
Puzzle
S.O.R.S
£6.99
A sci-fi doctor simulation game
RichSG
Rated 4.0 out of 5 stars
(4 total ratings)
Simulation
Ironseed
$14.99
Ironseed 25th Anniversary Edition
Channel 7 Software
Rated 4.0 out of 5 stars
(4 total ratings)
Role Playing
GIF
CreatorCrate
$4.99
A slapstick rampage. Outsmart everything that wants you dead with your grabby robot arm. Improvise and CREATE!
CreatorCrate
Rated 4.3 out of 5 stars
(3 total ratings)
Platformer
The Pirates of Sector 7
Lead your crew & retire a legend!
Todd Makes Games
Rated 3.6 out of 5 stars
(5 total ratings)
Adventure
GIF
Ninja Outbreak
$9.99
Survive the Horror of the Ninja
Tales of the Renegade Sector
Rated 3.8 out of 5 stars
(4 total ratings)
Action
Regain Earth: First Strike Demo
Take the challenge of surviving waves of increasingly difficult evil mutants! Grab a friend to hunt and slay them.
TheFlow - Regain Earth
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
GIF
Dual Core
$9.99
Pew Pew Pew! Sci-fi action adventure!
GrayFinStudios
Rated 5.0 out of 5 stars
(2 total ratings)
Action
GIF
CortexGear: AngryDroids
$5.99
The hardest sci-fi shooting sidescroller
JH12
Rated 4.0 out of 5 stars
(3 total ratings)
Adventure
Tier 1
$4.99
A 2D space combat game
Zillo7
Rated 4.5 out of 5 stars
(2 total ratings)
Action
TAXINAUT
$12.99
An open-world exploration game where you are a taxi-driver in space.
mosgrom
Rated 4.5 out of 5 stars
(2 total ratings)
Role Playing
Pharmakon
$3.41
Turn-based tactical puzzle game about drones fighting beasts.
Visumeca Games
Rated 3.5 out of 5 stars
(2 total ratings)
Puzzle
Gunmancer
$8.99
Science fantasy action roguelike top-down shooter
Štěpán Meister
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Insane Robots
$19.99
Card battling... HACKED!
Playniac
Rated 5.0 out of 5 stars
(1 total ratings)
Card Game
We are definitely the baddies
$2.99
In bundle
A minimalist city builder where only profits matter.
Ludipe
Rated 2.5 out of 5 stars
(2 total ratings)
Strategy
Starship Rubicon
$9.99
Olive
Rated 1.0 out of 5 stars
(1 total ratings)
Action
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