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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

Top selling Downloadable
$15 or less with Steam keys tagged Sci-fi Page 3 (145 results)

145 results

Explore Downloadable 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 Downloadable games with Steam keys on itch.io to have them show up here.

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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
The Silent Age
$9.99
Lose yourself in The Silent Age, the thrilling point-and-click adventure.
Meridian4
Adventure
The Superfluous
$3.99
Rogue-like, Sci-fi, Squad Based, Cave Diving, Platformer
Voided Pixels Studio
Platformer
DriftForce
$4.99
DriftForce is a super fast endless racing game.
GreyishDev
Racing
Ruby & Majesty: Treasure Team
$11.99
Dual Control Action Puzzle Adventure!
TheWzzard
Puzzle
Operation KREEP
$2.99
In space no one can hear you KREEP
Spidi
Action
Out There : Ω Edition
$14.99
A dark adventure in deep space
Mi-Clos Studio
Strategy
GIF
Ninja Outbreak
$9.99
Survive the Horror of the Ninja
Tales of the Renegade Sector
Action
Kill the Superweapon
$7.99
Twin-Stick Action Game Where Bosses Pursue the Player from Room to Room
Tales of the Renegade Sector
Action
GIF
ChargeShot
$10
Shoot, reflect, and jetpack your way through ChargeShot -- a local-multiplayer, space-bounty-hunter, deathmatch game.
CowboyColor
Action
Exile Squadron
$4.99
Defend Earth against the Colonies in this sci-fi shoot 'em up!
One Bit Studio
Action
Cellular Harvest: Green
$6.99
In bundle
A game about photographing aliens so that your employers can turn them into toothpaste.
Redact Games
Adventure
OASIS: Tokyo
$6.99
Inventory Management FPS
sky
Shooter
Walthros: Renewal
$14.99
Make some friends, eat some burgers, and unearth terrible secrets from the depths of space.
Super Walrus Games
Role Playing
Ultra Mission™
$2.99
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Gumbo Machine, LLC
Shooter
SPAGHET 2: AlDente Chapter
$9.99
You just couldn't keep your hands off of it... could you?
HeyImKeelee (TD Indie)
Action
Space Captain McCallery Ep. 3: The Weaponmaster's Challenge
$4.99
Tales of the Renegade Sector
Action
Astral Flux
$9.99
Action platformer with roguelike elements
Cosmocat
Action
Dr. Atominus
$3.99
Metroidvania with a fun sci-fi story.
Pikku-a
Platformer
GIF
∀kashicverse-Malicious Wake-
$9.99
⚠ Some parts of this game may be considered extreme bullet hell. ⚠
Endless-Shirafu
Shooter
KOJOUJI
$14.99
kojouji-game
S.R.R
Adventure
GIF
Robot Legions Reborn
$2.99
Robot-smashing Twin-stick Action
Skyboy Games
Action
System Crash
$14.99
System Crash is a story-driven cyberpunk collectible card game inspired by Blade Runner and Neuromancer.
roguemoonstudios
Card Game
IFO
$3.99
In bundle
Alien spaceship simulator
Le Slo
Puzzle
Invaders From Dimension X
$5
yobowargames
Strategy
GIF
Dual Core
$9.99
Pew Pew Pew! Sci-fi action adventure!
GrayFinStudios
Action
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•ACE
Action
Dark Scavenger
$4.99
A bizarre point-and-click RPG adventure!
PsydraGames
Visual Novel
Dr. Professor Scientist's Weapons Testing Facility
$4.99
Program Your Tower Defense!
Cool Smithy Games
Strategy
Stellar Monarch
$14.99
You are the Emperor, not a logistics officer. Audiences, assassins, imperial court, disloyal admirals.
Silver Lemur Games
Strategy
Interstellar Space: Genesis - Evolving Empires
$14.99
Praxis Games
Strategy
Interstellar Space: Genesis - Natural Law
$9.99
This expansion adds 2 new races fully equipped with unique capabilities, 9 new rulers, 4 new musics, and 4 new leaders!
Praxis Games
Strategy
GIF
Puzzle Nebula
$2.99
MultiverseGames
Puzzle
Scrapper
$9.99
Scrapper is a free roaming, objective based, rogue-lite space flight game
Ghostbolt Games
Action
Sloth: Heart to Heart
$6.99
A Kinetic Visual Novel about human connection, and the lack thereof.
NarReiTor
Visual Novel
Gunborg: Dark Matters
$9.99
Take on an army of alien soldiers and killer robots
Rickard Paulsson
Action
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