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.

-52% vs Steam RRP

SONOKUNI

Steam RRP€14.79

BuyCheapKeys key€7.11

-1% vs Steam RRP

Deadlock: Planetary Conquest

Steam RRP€6.99

BuyCheapKeys key€6.95

-52% vs Steam RRP

Silent Sector

Steam RRP€14.79

BuyCheapKeys key€7.09

-52% vs Steam RRP

Geo

Steam RRP€8.99

BuyCheapKeys key€4.36

-65% vs Steam RRP

I See Red

Steam RRP€9.75

BuyCheapKeys key€3.46

-64% vs Steam RRP

Sleeping Valley

Steam RRP€4.99

BuyCheapKeys key€1.79

-15% vs Steam

Skyfront VR

Steam€8.19

BuyCheapKeys key€7.00

-63% vs Steam RRP

Space Survival

Steam RRP€5.19

BuyCheapKeys key€1.91

-52% vs Steam RRP

X: Tension

Steam RRP€4.99

BuyCheapKeys key€2.40

Galactic Ruler

Steam RRP€19.50

BuyCheapKeys key€26.49

-53% vs Steam RRP

Enemy Mind

Steam RRP€9.49

BuyCheapKeys key€4.50

-70% vs Steam RRP

Culpa Innata

Steam RRP€9.99

BuyCheapKeys key€2.95

-27% vs Steam RRP

The Tomorrow War

Steam RRP€2.99

BuyCheapKeys key€2.19

The Apotheosis Project

Steam RRP€0.99

BuyCheapKeys key€1.89

-50% vs Steam RRP

Aerial_Knight's Never Yield

Steam RRP€5.19

BuyCheapKeys key€2.62

-70% vs Steam RRP

Space Rangers: Quest

Steam RRP€9.99

BuyCheapKeys key€2.97

Sky Racket

Steam RRP€12.49

BuyCheapKeys key€13.85

-32% vs Steam

Voidship: The Long Journey

Steam€8.99

BuyCheapKeys key€6.10

-32% vs Steam RRP

Banzai Escape

Steam RRP€6.89

BuyCheapKeys key€4.70

-56% vs Steam RRP

War on Folvos

Steam RRP€3.99

BuyCheapKeys key€1.77

Exophobia

Steam RRP€14.79

BuyCheapKeys key€17.44

-83% vs Steam RRP

Aeon Must Die!

Steam RRP€19.99

BuyCheapKeys key€3.45

-70% vs Steam RRP

Ninja Pizza Girl

Steam RRP€6.99

BuyCheapKeys key€2.10

-79% vs Steam RRP

Lila’s Sky Ark

Steam RRP€10.33

BuyCheapKeys key€2.19

-82% vs Steam RRP

HyperParasite

Steam RRP€14.99

BuyCheapKeys key€2.64

-26% vs Steam

Redirection

Steam€3.29

BuyCheapKeys key€2.42

-77% vs Steam RRP

The Moment of Silence

Steam RRP€14.99

BuyCheapKeys key€3.46

Not on Steam

Eterium

Steam—

BuyCheapKeys key€1.69

Not on Steam

The Outer Worlds Expansion Pass

Steam—

BuyCheapKeys key€9.97

-45% vs Steam RRP

Adaptory

Steam RRP€18.99

BuyCheapKeys key€10.50

-77% vs Steam RRP

Intelligent Design: An Evolutionary Sandbox

Steam RRP€7.19

BuyCheapKeys key€1.65

Shock Tactics

Steam€9.99

BuyCheapKeys key€13.26

Echelon: Wind Warriors

Steam RRP€3.99

BuyCheapKeys key€5.79

-29% vs Steam RRP

Nightside

Steam RRP€3.99

BuyCheapKeys key€2.83

-49% vs Steam

Blacksea Odyssey

Steam€8.99

BuyCheapKeys key€4.61

-78% vs Steam RRP

Lia: Hacking Destiny

Steam RRP€14.99

BuyCheapKeys key€3.26

-9% vs Steam RRP

Vostok Inc.

Steam RRP€14.99

BuyCheapKeys key€13.61

Super Impossible Road

Steam€10.25

BuyCheapKeys key€13.50

Planet RIX-13

Steam RRP€2.99

BuyCheapKeys key€4.31

-29% vs Steam RRP

Construct: Escape the System

Steam RRP€5.19

BuyCheapKeys key€3.71

-60% vs Steam RRP

Quantum Rush Champions

Steam RRP€9.99

BuyCheapKeys key€3.99

-58% vs Steam RRP

Infinity Runner

Steam RRP€6.99

BuyCheapKeys key€2.92

-61% vs Steam RRP

OneShift

Steam RRP€4.99

BuyCheapKeys key€1.95

-37% vs Steam RRP

Void Source

Steam RRP€3.99

BuyCheapKeys key€2.52

-40% vs Steam RRP

EDENS ZERO

Steam RRP€59.99

BuyCheapKeys key€36.20

Fabric

Steam€9.99

BuyCheapKeys key€13.89

-18% vs Steam

Apex Heroines

Steam€19.50

BuyCheapKeys key€15.92

-89% vs Steam RRP

Armada 2526 Gold Edition

Steam RRP€19.50

BuyCheapKeys key€2.16