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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Forever Space
adventure / point & click
Pinhead Games
FreedroidRPG
RPG / old school RPG
Freedroid Team
FreeOrion
strategy / 4X
FreeOrion project
Frozzd
puzzle
Jesse Venbrux
GearHead 1
RPG / roguelike
Joseph Hewitt
GearHead 2
RPG / roguelike
Joseph Hewitt
Genetos
shooter / shoot 'em up
Tatsuya Koyama
greenTech+
puzzle
Vertigo Gaming
Grey Instinct
adventure / visual novel
Angry Bunny
Grid Shock
shooter / shoot 'em up
TeknoPants
Ground Control
strategy / real-time strategy
Massive Entertainment
Guns and Robots
shooter / MMOFPS
Masthead Studios Ltd
Halo Zero
shooter / run and gun
Biohazard software
Hawken
shooter / MMOFPS
Adhesive Games
Her tears were my light
adventure / visual novel
NomnomNami
Hero Core
shooter / metroidvania
Daniel Remar
Heroes of the Storm
action / MOBA
Blizzard
Hokuto No Ken Sensei no michi - The Way of Masters
action / fighting games
Hokuto Project
Hurrican
platformer / run and gun
Poke53280
Hydorah
shooter / shoot 'em up
Locomalito
Hyper Princess Pitch
shooter / shoot 'em up
Daniel Remar