Top selling$15 or less with Steam keys tagged Sci-fi (148 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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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
Story-driven sci-fi fantasy shooter with procedural missions, deep weapon customization and action/adventure elements
Shooter
You, the player, are an ambassador for Earth sent through a mysterious portal into the world of dragons.
Visual Novel
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
A retro sci-fi comedy point and click adventure featuring the hapless Captain Disaster.
Adventure
Make your choices. Live with the consequences. Good luck.
Adventure
In this interactive sci-fi adventure novel, you are the AI pilot of Earth's last interstellar ship.
Interactive Fiction
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
Colonize and explore the Trappist-1 solar system in this story-driven colony builder
Simulation
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