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.

-55% vs Steam RRP

Proxy Blade Zero

Steam RRP€9.75

BuyCheapKeys key€4.40

-74% vs Steam RRP

Growbot

Steam RRP€16.47

BuyCheapKeys key€4.25

-79% vs Steam RRP

Nemezis: Mysterious Journey III

Steam RRP€16.79

BuyCheapKeys key€3.56

-73% vs Steam RRP

Ceres

Steam RRP€19.50

BuyCheapKeys key€5.24

-84% vs Steam

Songbringer

Steam€19.99

BuyCheapKeys key€3.19

-22% vs Steam RRP

SACRIFICE VILLAINS

Steam RRP€19.50

BuyCheapKeys key€15.29

-83% vs Steam RRP

Three Minutes To Eight

Steam RRP€14.99

BuyCheapKeys key€2.52

-52% vs Steam

Gimbal

Steam€14.79

BuyCheapKeys key€7.04

-85% vs Steam RRP

The Light Keeps Us Safe

Steam RRP€15.99

BuyCheapKeys key€2.40

-26% vs Steam RRP

Midnight Moments

Steam RRP€3.15

BuyCheapKeys key€2.34

-71% vs Steam RRP

The Crow's Eye

Steam RRP€9.49

BuyCheapKeys key€2.71

-83% vs Steam

Dawn of the Monsters

Steam€24.99

BuyCheapKeys key€4.36

Galaxy Admirals

Steam RRP€1.99

BuyCheapKeys key€2.11

-38% vs Steam RRP

Abnormal1999:Sector 49

Steam RRP€2.99

BuyCheapKeys key€1.86

Operation: Matriarchy

Steam RRP€5.99

BuyCheapKeys key€7.60

-31% vs Steam RRP

Toy Soldiers: HD

Steam RRP€24.99

BuyCheapKeys key€17.27

-5% vs Steam RRP

Planet TD

Steam RRP€2.39

BuyCheapKeys key€2.26

-64% vs Steam RRP

Empyreal

Steam RRP€14.99

BuyCheapKeys key€5.39

-81% vs Steam RRP

Machina of the Planet Tree -Planet Ruler-

Steam RRP€12.79

BuyCheapKeys key€2.49

-65% vs Steam RRP

Sentience: The Android's Tale

Steam RRP€4.99

BuyCheapKeys key€1.73

-81% vs Steam RRP

Dark Rose Valkyrie

Steam RRP€19.50

BuyCheapKeys key€3.62

-67% vs Steam

The Persistence

Steam€29.99

BuyCheapKeys key€9.90

-66% vs Steam RRP

Alien Hallway

Steam RRP€5.19

BuyCheapKeys key€1.75

-85% vs Steam RRP

Odysseus Kosmos and his Robot Quest (Complete Season)

Steam RRP€14.79

BuyCheapKeys key€2.16

-53% vs Steam RRP

Trinoline All Ages Version

Steam RRP€29.99

BuyCheapKeys key€13.99

-24% vs Steam RRP

Abode 2

Steam RRP€12.49

BuyCheapKeys key€9.45

-80% vs Steam

Overloop

Steam€9.99

BuyCheapKeys key€2.02

-82% vs Steam

Mechs & Mercs: Black Talons

Steam€9.99

BuyCheapKeys key€1.75

BOT.vinnik Chess: Combination Lessons

Steam RRP€1.99

BuyCheapKeys key€2.01

-81% vs Steam RRP

1993 Space Machine

Steam RRP€9.99

BuyCheapKeys key€1.85

-82% vs Steam RRP

Life of Delta

Steam RRP€19.99

BuyCheapKeys key€3.56

-27% vs Steam RRP

ChromaGun 2: Dye Hard

Steam RRP€19.99

BuyCheapKeys key€14.69

Beat The Game

Steam RRP€3.99

BuyCheapKeys key€12.90

-66% vs Steam

Hard to Be a God

Steam€7.99

BuyCheapKeys key€2.69

-6% vs Steam RRP

Endless Dark

Steam RRP€7.79

BuyCheapKeys key€7.29

Orion Trail

Steam RRP€7.49

BuyCheapKeys key€12.46

-84% vs Steam RRP

RaidersSphere4th

Steam RRP€19.50

BuyCheapKeys key€3.06

-57% vs Steam RRP

Dark Train

Steam RRP€9.99

BuyCheapKeys key€4.30

Not on Steam

Auto Age: Standoff

Steam—

BuyCheapKeys key€2.24

-32% vs Steam RRP

Krimson

Steam RRP€9.75

BuyCheapKeys key€6.65

-51% vs Steam RRP

Requiem: Avenging Angel

Steam RRP€9.99

BuyCheapKeys key€4.94

Invasion 2037

Steam RRP€8.19

BuyCheapKeys key€10.56

-69% vs Steam RRP

Silicone-2

Steam RRP€6.15

BuyCheapKeys key€1.89

-86% vs Steam RRP

Takara Cards

Steam RRP€19.28

BuyCheapKeys key€2.67

-64% vs Steam RRP

Lord of Rigel

Steam RRP€19.50

BuyCheapKeys key€7.11

-69% vs Steam RRP

Planet Cube: Edge

Steam RRP€14.79

BuyCheapKeys key€4.61

-57% vs Steam

Prospector

Steam€14.99

BuyCheapKeys key€6.49

-8% vs Steam RRP

Shoulders of Giants: Ultimate

Steam RRP€19.50

BuyCheapKeys key€17.99