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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retro-commander-

Retro Commander

strategy / real-time strategy
Noble Master LLC
sais-

Strange Adventures in Infinite Space

simulation / rogue-lite
Digital Eel
titans-of-steel-

Titans of Steel: Warring Suns

strategy / wargame
Matrix Games
trauma-rl-

TraumaRL

RPG / roguelike
flend
ufo-alien-invasion-

UFO: Alien Invasion

strategy / turn-based tactics
UFO: Alien Invasion Team
verminian-trap-

Verminian Trap

action / arcade
Locomalito
xenophage-

Xenophage: Alien Bloodsport

action / fighting games
Apogee Software
maniac-mansion-mania-

Maniac Mansion Mania - Episode 1: Sibling love

adventure / point & click
LucasFan Games
fallout-shelter-

Fallout Shelter

simulation / management
Bethesda Game Studios
captain-comic-2-

Captain Comic 2: Fractured Reality

platformer / metroidvania
Michael A. Denio
distorted-travesty1-

Distorted Travesty 1

platformer
ZephyrBurst
it-came-from-the-desert-

It Came from the Desert

adventure / action-adventure
Cinemaware
noitu-love-

Noitu Love

platformer
Konjak
vega-strike-

Vega Strike

simulation / space combat
The Vega Strike Team
decker-

Decker

RPG / roguelike
Shawn Overcash
pioneer-

Pioneer

simulation / space exploration
Pioneer developers
star-wars-yavin-

Star Wars: The Battle of Yavin

shooter / space combat
Bruno R. Marcos
endgame-singularity-

Endgame: Singularity

simulation
Endgame: Singularity team
green-tech-

greenTech+

puzzle
Vertigo Gaming
ground-control-

Ground Control

strategy / real-time strategy
Massive Entertainment
infinos-

Infinos

shooter / shoot 'em up
Picorinne Soft

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