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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

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$15 or less with demos with Steam keys tagged Sci-fi (36 results)

36 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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GIF
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螖V: Rings of Saturn
$9.99
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Koder
Simulation
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The Away Team
$8
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Underflow Studios
Interactive Fiction
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</reality>
$11.99
When a VR console feels more "real" than reality itself, Lilya must confront her beliefs about the nature of existence.
Fancy Fish Games
Visual Novel
GIF
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REDO!
$9.99
Dark Sci-fi Metroidvania
Redo!
Action
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STARDROP
$14.99
STARDROP - Salvage and Rescue Operations
Joure
Adventure
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Neofeud
$4.49
-70%
Cyberpunk Adventure / Visual Novel
silverspook
Visual Novel
GIF
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The Turgenev Study 馃К
$6
In bundle
Dodge and collect micro-organisms 馃
PUNKCAKE D茅licieux 馃
Survival
GIF
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Power of Ten
$11.99
single star fighter trying to save as many civilians as possible before they are overrun by a marauder armada.
laikaproj
Action
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Captain Disaster in: Death Has A Million Stomping Boots
$10.99
A retro sci-fi comedy point and click adventure featuring the hapless Captain Disaster.
CaptainD
Adventure
GIF
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Bezier (PC)
$9.99
The mindless blaster with a big heart.
Thalamus Digital Publishing Ltd.
Action
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Date Warp
$10
Five days ago, Janet left her dorm to go on a date. She never returned.
Hanako Games
Visual Novel
GIF
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Catyph: The Kunci Experiment
$8.99
CATYPH is a First Person Adventure game reminscent of Myst. Visit moon Tytaah and solve the challenging puzzles.
The Icehouse
Adventure
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Gunborg: Dark Matters
$9.99
Take on an army of alien soldiers and killer robots
Rickard Paulsson
Action
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Mars Underground
$1
Adventure / exploration / puzzle game. The player is stuck in a time loop. DEMO.
MarsUnderground
Adventure
Play in browser
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Ruby & Majesty: Treasure Team
$11.99
Dual Control Action Puzzle Adventure!
TheWzzard
Puzzle
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S.O.R.S
拢6.99
A sci-fi doctor simulation game
RichSG
Simulation
GIF
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ORBIZ
$10
The undead ground is not flat anymore.
Anoman Studio
Action
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Walthros: Renewal
$14.99
Make some friends, eat some burgers, and unearth terrible secrets from the depths of space.
Super Walrus Games
Role Playing
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Aliens Go Home Run
$3.99
You're too good at baseball and aliens are invading. Send them back home with a home run!
ANIM鈥CE
Action
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Zombie Quarantine
$1.50
In bundle
Hard Zombie Game!
Tobop
Puzzle
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Sector Six
$9
Looter shoot 'em up!
Phoebii
Shooter
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Pizzarian
$3.99
Be the coolest pizza delivery shop in the Jovian system!
Jeddy
Shooter
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Core Defense
$9.99
A roguelike tower defense game with a dash of deckbuilding.
ehmprah
Strategy
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The Superfluous
$3.99
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Voided Pixels Studio
Platformer
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The Evolving World: Catalyst Wake
$6.99
After three apocalyptic events known as the "Catalysts", what remains of humanity fights for peace.
LockedOn
Visual Novel
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Operation KREEP
$2.99
In space no one can hear you KREEP
Spidi
Action
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Pharmakon
$3.41
Turn-based tactical puzzle game about drones fighting beasts.
Visumeca Games
Puzzle
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KOJOUJI
$14.99
kojouji-game
S.R.R
Adventure
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The Writer: A Change Of Identity
$2.99
You have a unique opportunity to study the data regarding an identity change experiment.
GameAboutGames
Adventure
Play in browser
GIF
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CortexGear: AngryDroids
$5.99
The hardest sci-fi shooting sidescroller
JH12
Adventure
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SpaceMerc
$3
A space shooter for helping less experienced players get better.
Colin EUMP
Shooter
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Beat Stickman: Inifinity Clones
$2.99
The Stickman made of dark matter and ketchup, from Dark dimension of an alternative universe, is cursed to be tortured
Mini Fun Games
Simulation
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Circus Interstellar
$9.99
Escape an intergalactic circus from Hell!
Ettinsoft
Action
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Dr. Professor Scientist's Weapons Testing Facility
$4.99
Program Your Tower Defense!
Cool Smithy Games
Strategy
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Sloth: Heart to Heart
$6.99
A Kinetic Visual Novel about human connection, and the lack thereof.
NarReiTor
Visual Novel
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LightWave
$14.99
LightWave is a 2D pixel platformer featuring highspeed, fluid movement.
nopetrides
Platformer
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