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Top sellingwith Steam keys tagged Sci-fi (139 results)

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GIF
Dark Sci-fi Metroidvania
Action
GIF
Tugboat receives advanced rope, destroys entire alien invasion fleet.
Action
Alex thought he was a kid like any other, until he becomes a Rift Breaker.
Visual Novel
BEACON
$19.99
Mutate yourself to victory as you scavenge an uncharted alien planet in this stylish sci-fi action rogue-like.
Action
Cyberpunk Adventure / Visual Novel
Visual Novel
For Alex, the City of Xodias is not an ordinary town. This young boy is a Rift Breaker.
Visual Novel
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Interactive Fiction
Slipways
$16.99
Weave isolated planets into a vast trade empire. Enjoy the depth of a space grand strategy game in 60 minutes flat.
Strategy
You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons.
Visual Novel
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
Shooter
2D space-sim in which you can fill any role from pilot to empire leader.
Simulation
10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
Action
steampunk vehicle adventure made of paper
Adventure
beautiful twine compilation
Adventure
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
A roguelike deck-building game in space!
Strategy
GIF
open-world galaxy adventure game
Adventure
Sci-Fi Colony Management - Dig, Build and Explore
Simulation
GIF
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
A toy ecosystem 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
CrossCode
$19.99
A retro-inspired 2D Action-RPG set in the distant future
Role Playing
Sci-fi action puzzler. Includes level editor.
Puzzle
A cyberpunk and solarpunk adventure-romance that explores a world where one side is forever day and the other, night.
Visual Novel
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
(Steam key included) a Spelunky and Meat-boy love child in space
Platformer
A roguelike tower defense game with a dash of deckbuilding.
Strategy
a transhumanist adventure
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