Best free Windows "science fiction" games
Play free science fiction games developed for the "Windows" operating system 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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GearHead 2
RPG / roguelike
Joseph Hewitt
Guns and Robots
shooter / MMOFPS
Masthead Studios Ltd
Heroes of the Storm
action / MOBA
Blizzard
Spheres of Chaos
shooter / shoot 'em up
Iain McLeod
Star Wraith II
simulation / space combat
Starwraith 3D Games
Starsiege: Tribes
shooter / first-person shooter
Dynamix/Sierra On-Line
Tremulous
shooter / first-person shooter
Dark Legion Development
3059: The Beginning
RPG / roguelike
Phr00t
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
Universal Combat
simulation / space combat
3000AD
Caves of Qud (free version)
RPG / roguelike
Freehold Games
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