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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 Steam keys tagged Sci-fi (162 results)

162 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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Before The Green Moon
$5.99
-50%
Farming Sim In The Shadow Of The Lift
Turnfollow
Simulation
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
Simulation
Beyond the Chiron Gate
$10
Text-based space exploration game
John Ayliff
Interactive Fiction
GIF
Orion Trail
$7.99
Become famously incredible or incredibly dead in this choose-your-own-space-adventure!
Schell Games
Adventure
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
Periphery Synthetic EP
$3
Extrasolar musical explorer
shiftBacktick
Adventure
Play in browser
GIF
Hyperspace Dogfights
$8.50
-15%
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
sleeper_games
Action
GIF
helionaut
$3
In bundle
open-world galaxy adventure game
Sokpop Collective
Adventure
</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
Schildmaid MX
$14.99
Neutral. Shield. Danger.
HitP Studio
Shooter
Sun Dogs
$10
a transhumanist adventure
Royal Polygon
Growing My Grandpa!
$5
Yames
Adventure
Alt-Frequencies
$4.99
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Plug In Digital
Interactive Fiction
Angels with Scaly Wings
$9.99
You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons.
M. B. Saunders
Visual Novel
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
GravityGames
Shooter
GIF
REDO!
$9.99
Dark Sci-fi Metroidvania
Redo!
Action
Redirection
$3.50
A 3D puzzle game about rescuing Robots stranded in outer space.
Daniel Ratcliffe
Puzzle
Fuzz Dungeon
$4
The well back to your job has been absorbed inside a sasquatch sex amulet.
jeremycouillard
Adventure
Eczema Angel Orifice
$5
beautiful twine compilation
Porpentine
Adventure
Dark Train
$9.99
steampunk vehicle adventure made of paper
Paperash Studio
Adventure
GIF
Scavenger of Dunomini 🤖
$6
In bundle
Match-3 Trash Pile Defender
PUNKCAKE Délicieux 🥞
Puzzle
And All Would Cry Beware!
$9.99
Old-School FPS/Metroidvania Hybrid. Step through a portal to a mysterious world.
Tales of the Renegade Sector
Shooter
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
STARDROP
$14.99
STARDROP - Salvage and Rescue Operations
Joure
Adventure
GIF
The Turgenev Study 🧬
$6
In bundle
Dodge and collect micro-organisms 🦠
PUNKCAKE Délicieux 🥞
Survival
Date Warp
$10
Five days ago, Janet left her dorm to go on a date. She never returned.
Hanako Games
Visual Novel
Dread X Collection
$6.99
10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
DreadXP
Action
Neofeud
$4.49
-70%
Cyberpunk Adventure / Visual Novel
silverspook
Visual Novel
Blackshift
$9.99
Sci-fi action puzzler. Includes level editor.
rogual
Puzzle
GIF
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
Meganoid(2017)
$8.99
(Steam key included) a Spelunky and Meat-boy love child in space
Orangepixel
Platformer
GIF
SKIPCHASER
$4.99
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Ponywolf
Shooter
For The Warp
$14.99
A roguelike deck-building game in space!
Massive Galaxy Studios
Strategy
Intelligent Design: An Evolutionary Sandbox
$6.99
A toy ecosystem with fully simulated genetics and evolution.
Pill Bug Interactive
Simulation
Unending Galaxy
$8.99
2D space-sim in which you can fill any role from pilot to empire leader.
Anarkis Gaming
Simulation
Gunborg: Dark Matters
$9.99
Take on an army of alien soldiers and killer robots
Rickard Paulsson
Action
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