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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

Space

The larger universe outside of Earth's atmosphere. Sometimes really, really far outside of it.

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Top selling paid
with Steam keys tagged Sci-fi and Space (40 results)

40 results

Explore games with Steam keys tagged Sci-fi and Space on itch.io · Sell your games with Steam keys on itch.io to have them show up here.

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Slipways
$16.99
Weave isolated planets into a vast trade empire. Enjoy the depth of a space grand strategy game in 60 minutes flat.
Jakub Wasilewski
Strategy
GIF
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
Redirection
$3.50
A 3D puzzle game about rescuing Robots stranded in outer space.
Daniel Ratcliffe
Puzzle
For The Warp
$14.99
A roguelike deck-building game in space!
Massive Galaxy Studios
Strategy
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
Intelligent Design: An Evolutionary Sandbox
$6.99
A toy ecosystem with fully simulated genetics and evolution.
Pill Bug Interactive
Simulation
GIF
Schildmaid MX
$14.99
Neutral. Shield. Danger.
HitP Studio
Shooter
Unending Galaxy
$8.99
2D space-sim in which you can fill any role from pilot to empire leader.
Anarkis Gaming
Simulation
Sun Dogs
$10
In bundle
a transhumanist adventure
Royal Polygon
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
Trappist
$15
Colonize and explore the Trappist-1 solar system in this story-driven colony builder
Sirrah
Simulation
GIF
Event[0]
$19.99
Event[0] is a sci-fi narrative game where you build a relationship with a spaceship computer to get home to Earth.
Ocelot Society
Adventure
GIF
Bezier (PC)
$9.99
The mindless blaster with a big heart.
Thalamus Digital Publishing Ltd.
Action
Spirits of Xanadu
$4.99
An atmospheric first person shooter set aboard a deserted starship in an alternate 1980s.
allen
Action
Destination Ares
$9.99
You're running out of resources; everything is breaking. Keep your crew alive.
Stralor
Simulation
Tier 1
$4.99
A 2D space combat game
Zillo7
Action
Interstellar Space: Genesis
$9.89
-67%
An epic turn-based space 4X strategy game and spiritual successor to Master of Orion II: Battle at Antares!
Praxis Games
Strategy
GIF
Dr. Spacezoo (Early Access)
$14.99
Dr. Spacezoo is an arcade style time-attack twin-stick shoot-em-up packed full of gibs and grease for 1-4 players.
SmashRiot
Action
Ironseed
$14.99
Ironseed 25th Anniversary Edition
Channel 7 Software
Role Playing
Sector Six
$9
Looter shoot 'em up!
Phoebii
Shooter
The Superfluous
$3.99
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Voided Pixels Studio
Platformer
Out There : Ω Edition
$14.99
A dark adventure in deep space
Mi-Clos Studio
Strategy
GIF
ChargeShot
$10
Shoot, reflect, and jetpack your way through ChargeShot -- a local-multiplayer, space-bounty-hunter, deathmatch game.
CowboyColor
Action
Interstellar Space: Genesis - Natural Law
$4.99
-50%
This expansion adds 2 new races fully equipped with unique capabilities, 9 new rulers, 4 new musics, and 4 new leaders!
Praxis Games
Strategy
Interstellar Space: Genesis - Evolving Empires
$7.49
-50%
Praxis Games
Strategy
Stellar Monarch
$14.99
You are the Emperor, not a logistics officer. Audiences, assassins, imperial court, disloyal admirals.
Silver Lemur Games
Strategy
GIF
Puzzle Nebula
$2.99
MultiverseGames
Puzzle
Space Maze
$4.99
Controlling a drone, exploring beautiful but dangerous Sci-fi maze, revealing a weird meme story of the future world.
hoh5hc
Adventure
Bewildebots
$7.99
Please try to keep our robots alive . They've been through enough...
JadeusGames
Puzzle
Little Lost Robots
$7
Winning list entry of BTP jam - A simple yet challenging puzzle games
EvilArtBunny
Puzzle
Play in browser
Out There: Omega Edition
$14.99
Out There is an award-winning space exploration game blending roguelike, resource management and interactive fiction
Plug In Digital
Shooter
GIF
Space Warp
$4
Mind Crew
Action
Interstellar Space: Genesis - Terrains Pack
$4.99
Praxis Games
Strategy
GIF
Space Wave Race
3.49€
Only the true heroes of space can become champions of Space Wave Race!
RisingPixel
Racing
GIF
In memory of TITAN
$14.99
Battle your way across the solar system, master your enemies. There is no quarter, only the cold emptiness of space...
XR Strudios
Strategy
Aeon Command
$2.99
[Steam Key Included] A tug of war strategy game, where you play as one of three unique factions.
Bat Country Games
Strategy
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