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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maniac-mansion-deluxe-

Maniac Mansion Deluxe

adventure / point & click
LucasFan Games
0-space-

0Space

shooter / arcade
TeknoPants
alien-carnage-

Alien Carnage

platformer / run and gun
3D Realms
battlecruiser-millennium-

Battlecruiser Millennium

simulation / space exploration
3000AD
battlezone-

BattleZone

action
Activision
echoes-plus-

Echoes+

action / arcade
Binary Zoo Studios
enemy-nations-

Enemy Nations

strategy / real-time strategy
Windward Studios
forever-space-

Forever Space

adventure / point & click
Pinhead Games
grey-instinct-

Grey Instinct

adventure / visual novel
Angry Bunny
halo-zero-

Halo Zero

shooter / run and gun
Biohazard software
invaders-corruption-

Invaders: Corruption

shooter / shoot 'em up
Manuel van Dyck
marathon-

Marathon

shooter / first-person shooter
Bungie Software
naev-

Naev

shooter / space exploration
Naev Team
psi-ops-

Psi-Ops: The Mindgate Conspiracy

shooter / first-person shooter
Midway Games
starfleet1-

Star Fleet I: The War Begins

strategy / space combat
Interstel
the-vacuum-

The Vacuum

adventure / point & click
David Proctor
tribes2-

Tribes 2

shooter / first-person shooter
Dynamix/Sierra On-Line
vega-conflict-

Vega Conflict

strategy / MMORTS
KIXEYE
continuum-

Continuum

shooter / shoot 'em up
Virgin Interactive
aurora-

Aurora

strategy / 4X
Aurora team
escape-from-the-vault-

Escape from the Vault

RPG / roguelike
Max Breedon

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