Top freewith Steam keys tagged Sci-fi (19 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 · Upload your games with Steam keys to itch.io to have them show up here.
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A cyberpunk and solarpunk adventure-romance that explores a world where one side is forever day and the other, night.
Visual Novel
Adventure / exploration / puzzle game. The player is stuck in a time loop. FULL GAME!
Adventure
Play in browser
Your crew mutinied and now you're stranded on an alien world. Low-Poly Action-Adventure game.
Action
A first person exploration science fiction mystery game. Fathom all the story exploring an abandoned cargo spaceship.
Adventure
Take the challenge of surviving waves of increasingly difficult evil mutants! Grab a friend to hunt and slay them.
Shooter
The Thunder is in prototype now and now you can test my dream...
Shooter
Unique towers and enemies, in game shop system, global upgrades and specials!
Strategy
A sci-fi JRPG where the Galactic Fuchian Empire makes first contact with another advanced space faring civilization.
Adventure
