Best free "science fiction" games
Play games defined by keyword "science fiction" sorted by user rating.
GAME SETTING – Deep-space exploration, mech battles, cyberpunk romances, UFO invasions—if it even faintly smells like science fiction, it’s probably been turned into a video game. Free games are no exception. From Star Trek to Star Wars, indie and freeware creators keep dipping into the endless well of sci-fi for inspiration.
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Pixelships
shooter / shoot 'em up
Kris Asick
- 
PlanetSide 2
action / MMOFPS
Daybreak Games
2012 
Starsiege: Tribes
shooter / first-person shooter
Dynamix/Sierra On-Line
1998 
Strange Adventures in Infinite Space
simulation / rogue-lite
Digital Eel
2002 
Titans of Steel: Warring Suns
strategy / wargame
Matrix Games
2003 
TraumaRL
RPG / roguelike
flend
2014 
UFO: Alien Invasion
strategy / turn-based tactics
UFO: Alien Invasion Team
2010 
Verminian Trap
action / arcade
Locomalito
2013 
Xenophage: Alien Bloodsport
action / fighting games
Apogee Software
1996 
Maniac Mansion Mania - Episode 1: Sibling love
adventure / point & click
LucasFan Games
2005 
Fallout Shelter
simulation / management
Bethesda Game Studios
2017 
Captain Comic 2: Fractured Reality
platformer / metroidvania
Michael A. Denio
1990 
Distorted Travesty 1
platformer
ZephyrBurst
2016 
Distorted Travesty 2
platformer
ZephyrBurst
2016 
GearHead 2
RPG / roguelike
Joseph Hewitt
2016 
It Came from the Desert
adventure / action-adventure
Cinemaware
1990 
Noitu Love
platformer
Konjak
2006 
Vega Strike
simulation / space combat
The Vega Strike Team
2002 
Decker
RPG / roguelike
Shawn Overcash
2002 
Pioneer
simulation / space exploration
Pioneer developers
2015 
Star Wars: The Battle of Yavin
shooter / space combat
Bruno R. Marcos
2004