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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Star Fleet I: The War Begins
strategy / space combat
Interstel
1985 
The Vacuum
adventure / point & click
David Proctor
2008 
Vega Conflict
strategy / MMORTS
KIXEYE
2015 
Chicken Invaders
shooter / shoot 'em up
InterAction Studios
1999 
Continuum
shooter / shoot 'em up
Virgin Interactive
2001 
Escape from the Vault
RPG / roguelike
Max Breedon
2012 
Grid Shock
shooter / shoot 'em up
TeknoPants
- 
Armed Generator Doom Machine
shooter / shoot 'em up
TeknoPants
2008 
Barkley, Shut Up and Jam: Gaiden
RPG / JRPG
Tales of Game's Studios
2008 
Boppin'
puzzle / tile-matching
Accursed Toys
1994 
Pink Heaven
platformer
Studio Pixel
2015 
The Adventures of Captain Comic
platformer / metroidvania
Michael A. Denio
1988 
Traffic Department 2192
shooter / shoot 'em up
P Squared
1994 
Bounty Hunter SX
shooter / arcade
S64 Games
- 
Supernova
adventure / interactive fiction
Apogee
1987 
Wazzal
simulation / space exploration
Instant Kingdom
2002 
Battleships forever
strategy / space combat
Sean "th15" Chan
2003 
Alien Cabal
shooter / first-person shooter
QASoft
1997 
Infection
platformer / run and gun
S64 Games
2006 
Carpe Universum
shooter / shoot 'em up
Wyrdysm Games
- 
Frozzd
puzzle
Jesse Venbrux
2007