New & popular$15 or less with Steam keys tagged Sci-fi (162 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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Brave the looping space station, spot anomalies, collect key items, and escape the nightmare!
Adventure
Make some friends, eat some burgers, and unearth terrible secrets from the depths of space.
Role Playing
A short first-person horror experience about picking up strange signals after dark on your brand new television set.
Turn-based horror strategy - play as the engineer of a train built to withstand a deadly fog that turns nightmares real.
Survival
Real-time tactics meets cosmic horror - remotely command a squad of outcasts as they delve the husks of derelict ships.
Action
Tau Cubis is a Mazing Tower Defense game in colorful Scifi Landscapes. Repel the onslaught of crazy robots !
Strategy
THE DATE: January 12, 2081. THE LOCATION: Otto Labs headquarters. THE OBJECTIVE: Find out what the heck is going on!
Shooter
Roguelike mecha RPG set in a world recovering from the apocalypse.
Role Playing
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
Execute intense space battle operations from side, and top view.
Shooter
Hovercars 3077: Undeground® is a high-octane racing game in which armed cars.
Racing
A minimalist city builder where only profits matter.
Strategy
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
Action
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