New releases
Top Sellers
Specials
Xenoraid
Action, Indie, Arcade, Shoot 'Em Up
-15%
$2.99
$2.54
Save the Universe, Please!
Adventure, RPGMaker, Sci-fi, Cute
-15%
$12.99
$11.04
Shiny
Action, Indie, Platformer, Sci-fi
$19.99
The Turing Test
Adventure, Female Protagonist, Space, First-Person
-10%
$3.99
$3.59
Frantic Freighter
Indie, Casual, Simulation, VR
Daylight's End VR Edition
Utilities, Horror, Zombies, VR
$29.99
Master of Orion
Strategy, Space, Turn-Based, 4X
$59.99
Deus Ex: Mankind Divided
Cyberpunk, Stealth, Sci-fi, Action
$9.99
Miaou Moon
Action, Casual, Indie, Space
$19.99
Savage Resurrection
Action, Strategy, RPG, Multiplayer
< >
Showing 1-10 of 825 results
Narrow by related tags
Narrow by category
Single-player Games
Multi-player Games
Co-op Games
MMO
Narrow by feature
Steam Achievements
Steam Cloud
Steam Workshop
Steam Trading Cards
Full controller support
Narrow by operating system
Windows
Mac OS X
Linux / SteamOS
See all Sci-fi