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.

-44% vs Steam

Pixelpunk XL

Steam€3.99

BuyCheapKeys key€2.24

-57% vs Steam RRP

Stardiver

Steam RRP€11.79

BuyCheapKeys key€5.09

-5% vs Steam

Kinetic Storm

Steam€4.99

BuyCheapKeys key€4.72

-47% vs Steam RRP

Vector Strain

Steam RRP€4.99

BuyCheapKeys key€2.65

-69% vs Steam RRP

Circuit Breakers

Steam RRP€6.99

BuyCheapKeys key€2.20

-77% vs Steam RRP

Inferno

Steam RRP€9.99

BuyCheapKeys key€2.29

-85% vs Steam RRP

Last Days of Old Earth

Steam RRP€24.50

BuyCheapKeys key€3.56

-66% vs Steam RRP

Space Moth: Lunar Edition

Steam RRP€6.99

BuyCheapKeys key€2.39

Ground Breakers

Steam€0.79

BuyCheapKeys key€3.31

Bermuda

Steam€2.99

BuyCheapKeys key€3.81

-38% vs Steam RRP

Red Dust

Steam RRP€4.99

BuyCheapKeys key€3.10

Stealth Labyrinth

Steam RRP€2.99

BuyCheapKeys key€3.51

-38% vs Steam

Strike Team Hydra

Steam€5.69

BuyCheapKeys key€3.51

ATTACK OF THE EVIL POOP

Steam€7.19

BuyCheapKeys key€12.38

-80% vs Steam RRP

Shiny

Steam RRP€9.99

BuyCheapKeys key€1.96

-34% vs Steam RRP

Space - The Return Of The Pixxelfrazzer

Steam RRP€2.99

BuyCheapKeys key€1.96

Not on Steam

Incognito

Steam—

BuyCheapKeys key€12.56

-88% vs Steam RRP

Mars or Die!

Steam RRP€19.99

BuyCheapKeys key€2.40

-38% vs Steam RRP

Ground Pounders

Steam RRP€3.99

BuyCheapKeys key€2.48

-15% vs Steam RRP

Murder On Space Station 52

Steam RRP€14.99

BuyCheapKeys key€12.80

Visceral Cubes

Steam RRP€0.99

BuyCheapKeys key€4.55

-89% vs Steam RRP

Orbital Racer

Steam RRP€14.99

BuyCheapKeys key€1.60

-16% vs Steam

It's time to get out from the solar system

Steam€2.99

BuyCheapKeys key€2.50

-52% vs Steam RRP

Terminal squad: Sentinel

Steam RRP€3.99

BuyCheapKeys key€1.91

Overdriven Reloaded

Steam€7.99

BuyCheapKeys key€9.18

-72% vs Steam RRP

Seeders

Steam RRP€8.99

BuyCheapKeys key€2.49

Planet Diver

Steam RRP€3.99

BuyCheapKeys key€5.04

-80% vs Steam RRP

RAZED

Steam RRP€11.99

BuyCheapKeys key€2.34

-78% vs Steam RRP

Triton Survival

Steam RRP€12.49

BuyCheapKeys key€2.74

-51% vs Steam RRP

Blade Jumper

Steam RRP€5.69

BuyCheapKeys key€2.76

-27% vs Steam

DEATHPIT 3000

Steam€3.99

BuyCheapKeys key€2.90

-87% vs Steam

Project Temporality

Steam€14.99

BuyCheapKeys key€1.98

-78% vs Steam

Space Legends: At the Edge of the Universe

Steam€9.75

BuyCheapKeys key€2.13

-82% vs Steam RRP

Total Reload

Steam RRP€14.25

BuyCheapKeys key€2.50

-41% vs Steam RRP

Avium

Steam RRP€9.75

BuyCheapKeys key€5.74

-80% vs Steam RRP

Legions of Steel

Steam RRP€19.50

BuyCheapKeys key€3.99

-49% vs Steam RRP

Rex Nebular and the Cosmic Gender Bender

Steam RRP€6.99

BuyCheapKeys key€3.57

-57% vs Steam RRP

Bittersweet Birthday

Steam RRP€17.49

BuyCheapKeys key€7.58

-21% vs Steam RRP

Megatronic Void

Steam RRP€4.99

BuyCheapKeys key€3.95

-72% vs Steam RRP

Ancient Aliens: The Game

Steam RRP€14.79

BuyCheapKeys key€4.21

Moonrise Fall

Steam RRP€9.75

BuyCheapKeys key€10.84

-84% vs Steam RRP

Hollow 2

Steam RRP€16.79

BuyCheapKeys key€2.71

-35% vs Steam

Raiden III x MIKADO MANIAX

Steam€29.99

BuyCheapKeys key€19.58

-61% vs Steam

Cefore

Steam€9.99

BuyCheapKeys key€3.90

-64% vs Steam

CO-OP : Decrypted

Steam€9.99

BuyCheapKeys key€3.59

-87% vs Steam

Human Extinction Simulator

Steam€19.99

BuyCheapKeys key€2.64

-69% vs Steam RRP

Star Hunter DX

Steam RRP€8.99

BuyCheapKeys key€2.75

-85% vs Steam RRP

Curved Space

Steam RRP€19.99

BuyCheapKeys key€2.90