Cheapest Sci-fi games on Steam

Steam games tagged “Sci-fi” that you can buy as a key at BuyCheapKeys, compared with their Steam price.

Angle of Attack

Steam RRP€10.25

BuyCheapKeys key€11.44

-3% vs Steam

Gold Rush In The Oort Cloud

Steam€2.99

BuyCheapKeys key€2.91

Zunius

Steam€2.99

BuyCheapKeys key€6.80

-85% vs Steam

Command Heroes

Steam€14.79

BuyCheapKeys key€2.19

-63% vs Steam RRP

HOSTLIGHT

Steam RRP€9.99

BuyCheapKeys key€3.74

-61% vs Steam RRP

Battle of Rebels

Steam RRP€10.25

BuyCheapKeys key€3.95

Not on Steam

Soldier Yōki

Steam—

BuyCheapKeys key€26.49

-71% vs Steam RRP

Pit Blocks 3D

Steam RRP€10.25

BuyCheapKeys key€3.01

Shadoworlds

Steam RRP€5.69

BuyCheapKeys key€7.56

Super Space Meltdown

Steam€3.99

BuyCheapKeys key€4.91

Fringes of the Empire

Steam RRP€0.79

BuyCheapKeys key€2.16

-82% vs Steam

Kill Invaders

Steam€10.25

BuyCheapKeys key€1.84

-57% vs Steam

Crashbots

Steam€8.99

BuyCheapKeys key€3.88

-68% vs Steam

Helion

Steam€12.79

BuyCheapKeys key€4.11

-22% vs Steam

THE REDSTONE JOB

Steam€10.79

BuyCheapKeys key€8.41

-73% vs Steam RRP

Servo

Steam RRP€9.75

BuyCheapKeys key€2.60

-35% vs Steam

White Lilies Code

Steam€7.79

BuyCheapKeys key€5.09

-84% vs Steam

Swoon! Earth Escape

Steam€29.99

BuyCheapKeys key€4.80

-3% vs Steam RRP

Vox Populi: Canada 2025

Steam RRP€7.99

BuyCheapKeys key€7.74

AI.Cybercraft

Steam€3.99

BuyCheapKeys key€5.10

Never Not Shooting

Steam€3.29

BuyCheapKeys key€16.10

-19% vs Steam

Pipeline Panic

Steam€3.99

BuyCheapKeys key€3.22