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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

Singleplayer

Games that can be played alone

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single-player

Top rated
with Steam keys tagged Sci-fi and Singleplayer (40 results)

40 results

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

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GIF
helionaut
$3
In bundle
open-world galaxy adventure game
Sokpop Collective
Rated 4.8 out of 5 stars
(38 total ratings)
Adventure
Growing My Grandpa!
$5
Yames
Rated 4.7 out of 5 stars
(53 total ratings)
Adventure
BEACON
$19.99
Mutate yourself to victory as you scavenge an uncharted alien planet in this stylish sci-fi action rogue-like.
monothetic
Rated 4.4 out of 5 stars
(270 total ratings)
Action
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
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
Rated 4.7 out of 5 stars
(39 total ratings)
Adventure
Gunborg: Dark Matters
$9.99
Take on an army of alien soldiers and killer robots
Rickard Paulsson
Rated 4.7 out of 5 stars
(35 total ratings)
Action
GIF
Schildmaid MX
$14.99
Neutral. Shield. Danger.
HitP Studio
Rated 4.7 out of 5 stars
(41 total ratings)
Shooter
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
Rated 4.8 out of 5 stars
(22 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!
Plug In Digital
Rated 4.5 out of 5 stars
(50 total ratings)
Interactive Fiction
GIF
REDO!
$9.99
Dark Sci-fi Metroidvania
Redo!
Rated 4.5 out of 5 stars
(38 total ratings)
Action
GIF
SKIPCHASER
$4.99
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Ponywolf
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.
Meridian4
Rated 4.6 out of 5 stars
(10 total ratings)
Adventure
STARDROP
$14.99
STARDROP - Salvage and Rescue Operations
Joure
Rated 4.2 out of 5 stars
(33 total ratings)
Adventure
For The Warp
$14.99
A roguelike deck-building game in space!
Massive Galaxy Studios
Rated 4.4 out of 5 stars
(10 total ratings)
Strategy
Beyond Sunset Demo
A cyberpunk action RPG
Metacorp
Rated 4.3 out of 5 stars
(12 total ratings)
Shooter
Unending Galaxy
$8.99
2D space-sim in which you can fill any role from pilot to empire leader.
Anarkis Gaming
Rated 4.2 out of 5 stars
(9 total ratings)
Simulation
Spirits of Xanadu
$4.99
An atmospheric first person shooter set aboard a deserted starship in an alternate 1980s.
allen
Rated 3.8 out of 5 stars
(41 total ratings)
Action
Space Grunts 2
$9.99
(Steam key included) Fastest turn-based card battle roguelike
Orangepixel
Rated 5.0 out of 5 stars
(4 total ratings)
Core Defense
$9.99
A roguelike tower defense game with a dash of deckbuilding.
ehmprah
Rated 5.0 out of 5 stars
(4 total ratings)
Strategy
Destination Ares
$9.99
You're running out of resources; everything is breaking. Keep your crew alive.
Stralor
Rated 4.2 out of 5 stars
(6 total ratings)
Simulation
GIF
Steam Marines 2
$25
Steam Marines 2 - a steampunk tactics game
WorthlessBums
Rated 3.3 out of 5 stars
(26 total ratings)
Strategy
GIF
Bezier (PC)
$9.99
The mindless blaster with a big heart.
Thalamus Digital Publishing Ltd.
Rated 3.4 out of 5 stars
(10 total ratings)
Action
Space Captain McCallery Ep. 2: Pilgrims in Purple Moss
$4.99
Explore a mysterious half-sunken ruin on an alien world in this Low-Poly Action-Adventure game!
Tales of the Renegade Sector
Rated 5.0 out of 5 stars
(3 total ratings)
Action
Solar Rogue
$15
Tactical Roguelike Space Adventure
ombarus
Rated 4.0 out of 5 stars
(4 total ratings)
Strategy
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
SpaceMerc
$3
A space shooter for helping less experienced players get better.
Colin EUMP
Rated 5.0 out of 5 stars
(2 total ratings)
Shooter
Pizzarian
$3.99
Be the coolest pizza delivery shop in the Jovian system!
Jeddy
Rated 4.0 out of 5 stars
(3 total ratings)
Shooter
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
Rated 3.5 out of 5 stars
(4 total ratings)
Strategy
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
Bewildebots
$7.99
Please try to keep our robots alive . They've been through enough...
JadeusGames
Rated 3.5 out of 5 stars
(4 total ratings)
Puzzle
Robothorium
$14.99
Robothorium is a futuristic turn-based, rogue-like RPG
Goblinz Studio
Rated 5.0 out of 5 stars
(1 total ratings)
Role Playing
OASIS: Tokyo
$6.99
Inventory Management FPS
sky
Rated 5.0 out of 5 stars
(1 total ratings)
Shooter
The Evolving World: Catalyst Wake
$6.99
After three apocalyptic events known as the "Catalysts", what remains of humanity fights for peace.
LockedOn
Rated 5.0 out of 5 stars
(1 total ratings)
Visual Novel
GIF
Robot Legions Reborn
$2.99
Robot-smashing Twin-stick Action
Skyboy Games
Rated 5.0 out of 5 stars
(1 total ratings)
Action
Astral Flux
$9.99
Action platformer with roguelike elements
Cosmocat
Rated 5.0 out of 5 stars
(1 total ratings)
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
Rated 3.0 out of 5 stars
(1 total ratings)
Strategy
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