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Sci-fi

Science-fiction. Commonly including things like aliens, advanced technology, and settings of outer space or distant planets. 

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sci-fi

Latest$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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Extrasolar musical explorer
Adventure
Play in browser
Brave the looping space station, spot anomalies, collect key items, and escape the nightmare!
Adventure
TAXINAUT
$12.99
An open-world exploration game where you are a taxi-driver in space.
Role Playing
Make some friends, eat some burgers, and unearth terrible secrets from the depths of space.
Role Playing
Looter shoot 'em up!
Shooter
Colonize and explore the Trappist-1 solar system in this story-driven colony builder
Simulation
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
Reroute
$3.99
A challenging puzzle game with lasers and portals.
Puzzle
Tau Cubis is a Mazing Tower Defense game in colorful Scifi Landscapes. Repel the onslaught of crazy robots !
Strategy
A short first-person horror experience about picking up strange signals after dark on your brand new television set.
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
Farming Sim In The Shadow Of The Lift
Simulation
A sci-fi themed puzzle game with RTS elements.
Strategy
Only the true heroes of space can become champions of Space Wave Race!
Racing
Dodge and collect micro-organisms 🦠
Survival
Execute intense space battle operations from side, and top view.
Shooter
Inventory Management FPS
Shooter
Hovercars 3077: Undeground® is a high-octane racing game in which armed cars.
Racing
Alien spaceship simulator
Puzzle
A minimalist city builder where only profits matter.
Strategy
A rootin' tootin' gun-slingin' good time
Action
Choose your spaceship and defeat the alien threat that comes from the Moon.
Shooter
A modern-classic 2D Platformer
Platformer
Jet-combat roguelite, occasionally with swords and 300+ other items to strap onto your jet.
Action
Beat a lot of Stickmans with a lot of stuff, and beyond!
Simulation
Neutral. Shield. Danger.
Shooter
CTHON
$4.99
Battle the legions of the damned in the depths of space - and beyond.
Shooter
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