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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Atari ST
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3059: The Beginning
RPG / roguelike
Phr00t
SkyRoads
action / racing
Bluemoon Interactive
Bio Menace
platformer / run and gun
3D Realms
FreedroidRPG
RPG / old school RPG
Freedroid Team
Retrobattle
platformer / arcade
Daniel Remar
Action Taimanin
RPG
LiLith
Begin: a Tactical Starship Simulation
simulation / space combat
Starfleet Project team
Delores: A Thimbleweed Park Mini-Adventure
adventure / point & click
Terrible Toybox
MDDClone
simulation
MDDClone Team
Red Eclipse
shooter / first-person shooter
Red Eclipse dev team
The Hitchhiker's Guide to the Galaxy
adventure / interactive fiction
Infocom
Universal Combat
simulation / space combat
3000AD
Xargon
platformer / run and gun
Epic MegaGames
Caves of Qud (free version)
RPG / roguelike
Freehold Games
Hokuto No Ken Sensei no michi - The Way of Masters
action / fighting games
Hokuto Project
Time Clickers
shooter / idle clicker
Proton Studio
Anacreon: Imperial Conquest in the Far Future
strategy / 4X
Thinking Machine Associates
Cyberpunk Dreams
RPG
Late Night Games
Infested
adventure / point & click
GrahfMetal
Marathon 2: Durandal
shooter / first-person shooter
Bungie Software
Mars Tomorrow
strategy / MMORTS
Game Fabrik