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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$15 or less with Steam keys tagged Sci-fi (149 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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Dark Sci-fi Metroidvania
Action
A toy ecosystem with fully simulated genetics and evolution.
Simulation
Farming Sim In The Shadow Of The Lift
Simulation
Text-based space exploration game
Interactive Fiction
Neutral. Shield. Danger.
Shooter
TAXINAUT
$12.99
An open-world exploration game where you are a taxi-driver in space.
Role Playing
Defend Earth against the Colonies in this sci-fi shoot 'em up!
Action
A slapstick rampage. Outsmart everything that wants you dead with your grabby robot arm. Improvise and CREATE!
Platformer
You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons.
Visual Novel
Extrasolar musical explorer
Adventure
Play in browser
steampunk vehicle adventure made of paper
Adventure
Cyberpunk Adventure / Visual Novel
Visual Novel
beautiful twine compilation
Adventure
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
Shooter
A roguelike deck-building game in space!
Strategy
open-world galaxy adventure game
Sokpop CollectiveVerified Account
Adventure
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
A sci-fi themed action platformer in a randomly generated world.
Platformer
2D space-sim in which you can fill any role from pilot to empire leader.
Simulation
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
Sci-fi action puzzler. Includes level editor.
Puzzle
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
Action
Make your choices. Live with the consequences. Good luck.
Adventure
A retro sci-fi comedy point and click adventure featuring the hapless Captain Disaster.
Adventure
A haunting, dying world foreshadowing rebirth.
Adventure
(Steam key included) a Spelunky and Meat-boy love child in space
OrangepixelVerified Account
Platformer
Shoot-em-up with a tactical twist! 🛫
Shooter
A roguelike tower defense game with a dash of deckbuilding.
Strategy
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Interactive Fiction
a transhumanist adventure
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
Action
single star fighter trying to save as many civilians as possible before they are overrun by a marauder armada.
Action
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