Free "science fiction" games
Play games defined by keyword "science fiction" 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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Hyper Princess Pitch
shooter / shoot 'em up
Daniel Remar
Iji
platformer / metroidvania
Daniel Remar
Infection
platformer / run and gun
S64 Games
Infested
adventure / point & click
GrahfMetal
Infinos
shooter / shoot 'em up
Picorinne Soft
Invaders: Corruption
shooter / shoot 'em up
Manuel van Dyck
It Came from the Desert
adventure / action-adventure
Cinemaware
Jetball!
action / arcade
Satan Sam
Jetpack
platformer
Adept Software
Jetz Rampage 3: Fusion
shooter / shoot 'em up
S64 Games
Jetz Rampage 4: Revenge
shooter / shoot 'em up
S64 Games
Jigoku Kisetsukan: Sense of the Seasons
shooter / shoot 'em up
Emad
Katakis
shooter / shoot 'em up
Factor 5
Kosmonaut
action / racing
Bluemoon Interactive
Last Defense 2 100%
shooter / shoot 'em up
16BitSoft
M.A.R.S. - a Ridiculous Shooter
shooter / arcade
Simon Schneegans
Major Stryker
shooter / shoot 'em up
Apogee
Maniac Mansion Deluxe
adventure / point & click
LucasFan Games
Maniac Mansion Mania - Episode 1: Sibling love
adventure / point & click
LucasFan Games
Marathon
shooter / first-person shooter
Bungie Software
Marathon 2: Durandal
shooter / first-person shooter
Bungie Software