Best free "science fiction" games
Play games defined by keyword "science fiction" sorted by user rating.
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
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Apple II
Atari ST
Commodore 64
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Linux
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Sega Genesis
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Hydorah
shooter / shoot 'em up
Locomalito
Samorost 1
adventure / point & click
Amanita Design
StarCraft Anthology
strategy / real-time strategy
Blizzard
The Lost Vikings
platformer / action puzzle
Interplay Productions
Distorted Travesty 3
platformer
ZephyrBurst
Hurrican
platformer / run and gun
Poke53280
Oolite
simulation / space exploration
Oolite dev team
You Have to Win the Game
platformer / metroidvania
Minor Key Games
Dark Horizons Lore: Invasion
simulation / first-person shooter
GarageGames
Katakis
shooter / shoot 'em up
Factor 5
Retro Commander
strategy / real-time strategy
Noble Master LLC
Star Trek Online
RPG / MMORPG
Cryptic Studios
Blossoms Bloom Brightest
adventure / visual novel
Reine Works
Hawken
shooter / MMOFPS
Adhesive Games
Computer, Open That Door!
puzzle
Paul Lawitzki and Ralf Zimmer
Shadow Warrior
shooter / first-person shooter
3D Realms
Warsow
shooter / first-person shooter
Warsow Team
AliensRL
action / roguelike
Kornel Kisielewicz
POLYBOT-7
RPG / roguelike
Kyzrati
WildStar
RPG / MMORPG
Carbine Studios
Alien Arena
shooter / first-person shooter
COR Entertainment