Free Windows "science fiction" games
Play free science fiction games developed for the "Windows" operating system sorted alphabetically by title.
GAME SETTING - Exploration in deep space, mech battles, cyberpunk lovestories, UFO invasions. Every theme even remotely tied to science fiction has been implemented in a video game one way or another. Free games make no exception; from Star Trek to Star Wars, developers still draw much inspiration from sci-fi.
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Amiga
Amstrad CPC
Android
Apple II
Atari ST
Commodore 64
DOS
Free BSD
Linux
Mac OSX
Nintendo Switch
PlayStation 2
PlayStation 4
Sega Genesis
UNIX
Windows
Xbox
Xbox One
browser
iOS
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Samorost 1
adventure / point & click
Amanita Design
Shadow Warrior
shooter / first-person shooter
3D Realms
Shores of Hazeron
simulation / space exploration
Software Engineering, Inc.
Space Quest 2: Vohaul's Revenge VGA
adventure / point & click
Infamous Adventures
Space Station 13
RPG
Exadv1
Spheres of Chaos
shooter / shoot 'em up
Iain McLeod
Star Trek Online
RPG / MMORPG
Cryptic Studios
Star Wars: The Battle of Endor
shooter / space combat
Bruno R. Marcos
Star Wars: The Battle of Yavin
shooter / space combat
Bruno R. Marcos
Star Wars: The Old Republic
RPG / MMORPG
BioWare
Star Wraith II
simulation / space combat
Starwraith 3D Games
Star Wraith III: Shadows of Orion
simulation / space combat
Starwraith 3D Games
StarCraft Anthology
strategy / real-time strategy
Blizzard
StarCraft II
strategy / real-time strategy
Blizzard
Stargunner
shooter / shoot 'em up
3D Realms
Starsiege: Tribes
shooter / first-person shooter
Dynamix/Sierra On-Line
Strange Adventures in Infinite Space
simulation / rogue-lite
Digital Eel
TAGAP
platformer / run and gun
Penguin Developement Team
TAGAP 2
platformer / run and gun
Penguin Developement Team
TeraBlaster
shooter / shoot 'em up
Black Shell Games
The Empire Strikes Back
shooter / space combat
MinionSoft