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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

New & popular paid
available in English with Steam keys tagged Sci-fi (126 results)

126 results

Explore games available in English 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 available in English with Steam keys on itch.io to have them show up here.

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Trappist
$15
Colonize and explore the Trappist-1 solar system in this story-driven colony builder
Sirrah
Simulation
Deadnaut
$9.99
Real-time tactics meets cosmic horror - remotely command a squad of outcasts as they delve the husks of derelict ships.
Screwfly Studios
Action
Fear Equation
$14.99
Turn-based horror strategy - play as the engineer of a train built to withstand a deadly fog that turns nightmares real.
Screwfly Studios
Survival
Tau Cubis
$6.20
Tau Cubis is a Mazing Tower Defense game in colorful Scifi Landscapes. Repel the onslaught of crazy robots !
CubeMandarine
Strategy
GIF
Sipho
$17.99
Design a creature and eat your way to the top of the food chain.
Sipho
Simulation
Dr. Professor Scientist's Weapons Testing Facility
$4.99
Program Your Tower Defense!
Cool Smithy Games
Strategy
Ultra Mission™
$2.99
In bundle
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Gumbo Machine, LLC
Shooter
Periphery Synthetic EP
$3
Extrasolar musical explorer
shiftBacktick
Simulation
Play in browser
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
GIF
Space Wave Race
3.49€
Only the true heroes of space can become champions of Space Wave Race!
RisingPixel
Racing
GIF
The Turgenev Study 🧬
$6
In bundle
Dodge and collect micro-organisms 🦠
PUNKCAKE Délicieux 🥞
Survival
ALPHA CENTAURI SPACE FORCE
$9.99
Execute intense space battle operations from side, and top view.
ocasocreations
Shooter
The Thunder : lost in amazon base "Tecdemo"
$4
The Thunder is in prototype now and now you can test my dream...
szpace
Adventure
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
OASIS: Tokyo
$6.99
Inventory Management FPS
sky
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
Strategy
We are definitely the baddies
$2.99
In bundle
A minimalist city builder where only profits matter.
Ludipe
Strategy
BEACON
$19.99
Mutate yourself to victory as you scavenge an uncharted alien planet in this stylish sci-fi action rogue-like.
monothetic
Action
GIF
Hyperspace Dogfights
$8.50
-15%
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
sleeper_games
Action
Beat Stickman: Beyond
$9.99
Beat a lot of Stickmans with a lot of stuff, and beyond!
Mini Fun Games
Simulation
GIF
Scavenger of Dunomini 🤖
$6
In bundle
Match-3 Trash Pile Defender
PUNKCAKE Délicieux 🥞
Puzzle
GIF
Schildmaid MX
$14.99
Neutral. Shield. Danger.
HitP Studio
Shooter
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
GravityGames
Shooter
GIF
Spectrum Forces 🏳‍🌈
$6
In bundle
Shoot-em-up with a tactical twist! 🛫
PUNKCAKE Délicieux 🥞
Shooter
Skid Cities
$19
A cyberpunk city building game in early access
LapsuS
Simulation
GIF
CreatorCrate
$4.99
A slapstick rampage. Outsmart everything that wants you dead with your grabby robot arm. Improvise and CREATE!
CreatorCrate
Platformer
Gunmancer
$8.99
Science fantasy action roguelike top-down shooter
Štěpán Meister
Action
Fuzz Dungeon
$4
The well back to your job has been absorbed inside a sasquatch sex amulet.
jeremycouillard
Adventure
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
Converter
$5.99
Escape the hellish planet 50Y-80Y in a beautiful puzzle platformer RPG.
FunkyzeitGames
Platformer
LightWave
$14.99
LightWave is a 2D pixel platformer featuring highspeed, fluid movement.
nopetrides
Platformer
Stellar Monarch
$14.99
You are the Emperor, not a logistics officer. Audiences, assassins, imperial court, disloyal admirals.
Silver Lemur Games
Strategy
GIF
∀kashicverse-Malicious Wake-
$9.99
⚠ Some parts of this game may be considered extreme bullet hell. ⚠
Endless-Shirafu
Shooter
Gunborg: Dark Matters
$9.99
Take on an army of alien soldiers and killer robots
Rickard Paulsson
Action
SPAGHET 2: AlDente Chapter
$9.99
You just couldn't keep your hands off of it... could you?
HeyImKeelee (TD Indie)
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
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