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Latest paidwith Steam keys tagged Sci-fi (119 results)

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Ironseed 25th Anniversary Edition
Role Playing
GIF
Hard sci-fi, top-down space simulator, with every aspect backed up by real physics and science.
Simulation
Sci-fi Action Roguelite. Collect DNA from enemies and mutate yourself to victory!
Action
GIF
Design a creature and eat your way to the top of the food chain.
Simulation
GIF
open-world galaxy adventure game
Adventure
10 Tales of Terror from 10 Twisted Minds. Made in only 7 Sleepless Nights.
Action
A game about photographing aliens so that your employers can turn them into toothpaste.
Adventure
GIF
An exiled Talifan hermit has left a mysterious Codex for his future visitors. Inspired by the famous Voynich manuscript.
Adventure
GIF
Steam Marines 2 - a steampunk tactics game
Strategy
GIF
Metroidvania with a sci-fi story.
Platformer
(Steam key included) Fastest turn-based card battle roguelike
KOJOUJI
$14.99
kojouji-game
Adventure
An epic turn-based space 4X strategy game and spiritual successor to Master of Orion II: Battle at Antares!
Strategy
A roguelike deck-building game in space!
Strategy
GIF
Jet-combat roguelite, occasionally with swords.
Action
Defend Earth against the Colonies in this sci-fi shoot 'em up!
Action
Guide an army of nano-bots through your alien organs to solve puzzles and cure your infected body!
Puzzle
A roguelike tower defense game with a dash of deckbuilding.
Strategy
Adventure / exploration / puzzle game. The player is stuck in a time loop. DEMO.
Adventure
Play in browser
Jaxon The Thief is a 2D Stealth Platformer based on the story of an infamous thief called Jaxon.
Platformer
CrossCode
$19.99
A retro-inspired 2D Action-RPG set in the distant future
Role Playing
surreal exploration game set within a divine monument
Adventure
GIF
REDO!
$9.99
Dark Sci-fi Metroidvania
Action
Old-School FPS/Metroidvania Hybrid. Step through a portal to a mysterious world.
Shooter
Please try to keep our robots alive . They've been through enough...
Puzzle
A Kinetic Visual Novel about human connection, and the lack thereof.
Visual Novel
DriftForce is a super fast endless racing game.
Racing
An audio mystery set in a time loop. Record, rewind time and broadcast snippets of radio shows!
Interactive Fiction
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