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Top selling paidwith Steam keys tagged Sci-fi (110 results)

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10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
Action
Cyberpunk Adventure / Visual Novel
Visual Novel
(Steam key included) Fastest turn-based card battle roguelike
GIF
open-world galaxy adventure game
Adventure
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Adventure
GIF
Sipho
$13.99
Design a creature and eat your way to the top of the food chain.
Simulation
S.O.R.S
£6.99
A sci-fi doctor simulation game
Simulation
beautiful twine compilation
Adventure
steampunk vehicle adventure made of paper
Adventure
BEACON
$19.99
Sci-fi Action Roguelite. Collect DNA from enemies and mutate yourself to victory!
Action
A 3D puzzle game about rescuing Robots stranded in outer space.
Puzzle
GIF
A sci-fi themed action platformer in a randomly generated world.
Platformer
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
2D space-sim in which you can fill any role from pilot to empire leader.
Simulation
God game with fully simulated genetics and evolution.
Simulation
GIF
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
GIF
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
CrossCode
$19.99
A retro-inspired 2D Action-RPG set in the distant future
Role Playing
Sci-fi action puzzler. Includes level editor.
Puzzle
Make your choices. Live with the consequences. Good luck.
Adventure
(Steam key included) a Spelunky and Meat-boy love child in space
Platformer
A retro sci-fi comedy point and click adventure featuring the hapless Captain Disaster.
Adventure
GIF
REDO!
$9.99
Dark Sci-fi Metroidvania
Action
a transhumanist adventure
A roguelike tower defense game with a dash of deckbuilding.
Strategy
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
Brigador
$19.99
Isometric Mech Action
Action
A first person exploration science fiction mystery game. Fathom all the story exploring an abandoned cargo spaceship.
Adventure
GIF
Jet-combat roguelite, occasionally with swords.
Action
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