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.

Grow Up

Steam RRP€9.99

BuyCheapKeys key€15.61

-20% vs Steam RRP

Iron Marines

Steam RRP€12.49

BuyCheapKeys key€10.03

Not on Steam

Rochard

Steam—

BuyCheapKeys key€7.64

EMPULSE

Steam€9.99

BuyCheapKeys key€12.26

Arma 3 Contact

Steam RRP€24.99

BuyCheapKeys key€29.71

-89% vs Steam RRP

Under The Waves

Steam RRP€29.99

BuyCheapKeys key€3.39

-59% vs Steam RRP

STASIS

Steam RRP€8.15

BuyCheapKeys key€3.31

-86% vs Steam RRP

Genesis Noir

Steam RRP€14.79

BuyCheapKeys key€2.11

-60% vs Steam RRP

Analogue: A Hate Story

Steam RRP€9.75

BuyCheapKeys key€3.89

-85% vs Steam RRP

Oblivion Override

Steam RRP€17.49

BuyCheapKeys key€2.71

-87% vs Steam RRP

Space Crew: Legendary Edition

Steam RRP€15.99

BuyCheapKeys key€2.06

-54% vs Steam RRP

STAR OCEAN THE DIVINE FORCE

Steam RRP€59.99

BuyCheapKeys key€27.60

-85% vs Steam RRP

The Uncertain: Last Quiet Day

Steam RRP€12.78

BuyCheapKeys key€1.91

-56% vs Steam RRP

Intrusion 2

Steam RRP€7.99

BuyCheapKeys key€3.49

Not on Steam

Strike Suit Zero

Steam—

BuyCheapKeys key€3.85

-89% vs Steam

Overload

Steam€24.99

BuyCheapKeys key€2.67

-88% vs Steam RRP

Showgunners

Steam RRP€28.99

BuyCheapKeys key€3.62

-88% vs Steam RRP

InfraSpace

Steam RRP€19.99

BuyCheapKeys key€2.34

-41% vs Steam RRP

Nuclear Dawn

Steam RRP€9.75

BuyCheapKeys key€5.72

-58% vs Steam RRP

Executive Assault 2

Steam RRP€20.99

BuyCheapKeys key€8.86

-76% vs Steam RRP

Impossible Creatures Steam Edition

Steam RRP€9.99

BuyCheapKeys key€2.36

-27% vs Steam RRP

Mecha Knights: Nightmare

Steam RRP€15.79

BuyCheapKeys key€11.60

-40% vs Steam RRP

Freedom Planet 2

Steam RRP€24.99

BuyCheapKeys key€14.99

ERA ONE

Steam€29.99

BuyCheapKeys key€46.85

-61% vs Steam

DeadCore

Steam€9.99

BuyCheapKeys key€3.86

-83% vs Steam RRP

Space Hulk (Classic)

Steam RRP€19.99

BuyCheapKeys key€3.48

-64% vs Steam RRP

Solar 2

Steam RRP€8.99

BuyCheapKeys key€3.21

-78% vs Steam RRP

A New Beginning - Final Cut

Steam RRP€9.99

BuyCheapKeys key€2.16

-86% vs Steam RRP

Worldless

Steam RRP€19.99

BuyCheapKeys key€2.85

-87% vs Steam RRP

Fobia - St. Dinfna Hotel

Steam RRP€24.99

BuyCheapKeys key€3.16

-29% vs Steam RRP

Industries of Titan

Steam RRP€28.99

BuyCheapKeys key€20.55

-89% vs Steam RRP

State of Mind

Steam RRP€19.99

BuyCheapKeys key€2.19

-80% vs Steam

ECHO

Steam€22.99

BuyCheapKeys key€4.55

-53% vs Steam RRP

Apsulov: End of Gods

Steam RRP€19.99

BuyCheapKeys key€9.40

-2% vs Steam

Environmental Station Alpha

Steam€7.99

BuyCheapKeys key€7.85

-38% vs Steam RRP

Oddworld: Abe's Exoddus®

Steam RRP€2.99

BuyCheapKeys key€1.85

-6% vs Steam RRP

Meta Ghost: Breaking Show

Steam RRP€17.49

BuyCheapKeys key€16.48

-47% vs Steam RRP

Subsurface Circular

Steam RRP€5.99

BuyCheapKeys key€3.20

-40% vs Steam RRP

Project Nimbus: Complete Edition

Steam RRP€6.89

BuyCheapKeys key€4.14

-33% vs Steam RRP

Revolution Ace

Steam RRP€4.99

BuyCheapKeys key€3.36

-80% vs Steam

Nex Machina

Steam€19.99

BuyCheapKeys key€3.94

-14% vs Steam RRP

Terminator 2D: NO FATE

Steam RRP€29.99

BuyCheapKeys key€25.86

-70% vs Steam

Event[0]

Steam€19.99

BuyCheapKeys key€5.99

-70% vs Steam RRP

ReCore: Definitive Edition

Steam RRP€16.79

BuyCheapKeys key€5.12

-85% vs Steam RRP

Alien Rage - Unlimited

Steam RRP€19.99

BuyCheapKeys key€3.06

-85% vs Steam RRP

Tharsis

Steam RRP€14.99

BuyCheapKeys key€2.25

-63% vs Steam RRP

Sixtieth Kilometer

Steam RRP€5.44

BuyCheapKeys key€2.01

-2% vs Steam RRP

Stardeus

Steam RRP€29.99

BuyCheapKeys key€29.35