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.

-45% vs Steam RRP

Retropolis 2: Never Say Goodbye

Steam RRP€24.50

BuyCheapKeys key€13.59

-54% vs Steam RRP

Fantastic Contraption

Steam RRP€19.50

BuyCheapKeys key€9.04

-73% vs Steam

Damascus Gear Operation Tokyo HD

Steam€14.99

BuyCheapKeys key€4.12

Not on Steam

Space Trucker

Steam—

BuyCheapKeys key€10.61

Tex Murphy: Martian Memorandum

Steam RRP€5.99

BuyCheapKeys key€7.34

-71% vs Steam RRP

Starena

Steam RRP€12.49

BuyCheapKeys key€3.67

-58% vs Steam RRP

Death Noodle Delivery

Steam RRP€4.99

BuyCheapKeys key€2.08

-60% vs Steam

Shard Games

Steam€7.99

BuyCheapKeys key€3.21

-65% vs Steam RRP

Galactic Rangers VR

Steam RRP€9.75

BuyCheapKeys key€3.45

-56% vs Steam RRP

Defendoooooor!!

Steam RRP€4.99

BuyCheapKeys key€2.19

-47% vs Steam RRP

Chuusotsu! 1st Graduation: Time After Time

Steam RRP€19.50

BuyCheapKeys key€10.24

-84% vs Steam RRP

Servonauts

Steam RRP€14.79

BuyCheapKeys key€2.38

-32% vs Steam

Something Ate My Alien

Steam€14.99

BuyCheapKeys key€10.25

-53% vs Steam RRP

Perimeter: Emperor's Testament

Steam RRP€3.99

BuyCheapKeys key€1.88

-85% vs Steam

Azulgar: Star Commanders

Steam€19.50

BuyCheapKeys key€2.94

-82% vs Steam RRP

Astra Exodus

Steam RRP€28.99

BuyCheapKeys key€5.25

-60% vs Steam

VINE

Steam€14.79

BuyCheapKeys key€5.88

-32% vs Steam

Aliens Go Home Run

Steam€3.99

BuyCheapKeys key€2.70

-45% vs Steam RRP

Aethernaut

Steam RRP€16.49

BuyCheapKeys key€9.02

-77% vs Steam

Robot Warriors

Steam€9.75

BuyCheapKeys key€2.23

-33% vs Steam RRP

BEAT ARENA

Steam RRP€29.99

BuyCheapKeys key€20.13

-33% vs Steam RRP

Space Grunts

Steam RRP€9.99

BuyCheapKeys key€6.72

Izmir: An Independence Simulator

Steam€1.59

BuyCheapKeys key€2.36

-49% vs Steam

Mines of Mars

Steam€5.69

BuyCheapKeys key€2.89

-9% vs Steam RRP

Relic Space

Steam RRP€17.49

BuyCheapKeys key€15.94

-86% vs Steam RRP

Telefrag VR

Steam RRP€13.99

BuyCheapKeys key€1.91

-15% vs Steam RRP

Mind Unleashed

Steam RRP€2.99

BuyCheapKeys key€2.55

-30% vs Steam RRP

Chaos Domain

Steam RRP€2.99

BuyCheapKeys key€2.09

-77% vs Steam RRP

Mars Base

Steam RRP€18.49

BuyCheapKeys key€4.26

-56% vs Steam RRP

Goldilock One: The Mists of Jakaira

Steam RRP€11.79

BuyCheapKeys key€5.24

-71% vs Steam

Orange Moon

Steam€9.99

BuyCheapKeys key€2.92

-52% vs Steam

Orion: A Sci-Fi Visual Novel

Steam€4.99

BuyCheapKeys key€2.39

-28% vs Steam RRP

Interkosmos 2000

Steam RRP€19.50

BuyCheapKeys key€13.99

D-Corp

Steam€19.50

BuyCheapKeys key€34.40

-42% vs Steam RRP

Cycle 28

Steam RRP€4.15

BuyCheapKeys key€2.41

-66% vs Steam RRP

Galacide

Steam RRP€8.19

BuyCheapKeys key€2.76

The Superfluous

Steam RRP€4.99

BuyCheapKeys key€6.33

-88% vs Steam RRP

Gone Viral

Steam RRP€18.99

BuyCheapKeys key€2.34

Starless

Steam RRP€6.59

BuyCheapKeys key€8.74

-50% vs Steam RRP

Professor Lupo and his Horrible Pets

Steam RRP€14.99

BuyCheapKeys key€7.56

-45% vs Steam RRP

Binarystar Infinity

Steam RRP€3.99

BuyCheapKeys key€2.19

-69% vs Steam RRP

Redgar: The Space Viking

Steam RRP€9.99

BuyCheapKeys key€3.09

-73% vs Steam RRP

Armada 2526

Steam RRP€14.79

BuyCheapKeys key€3.92

Village

Steam RRP€0.99

BuyCheapKeys key€2.33

Generic Space Shooter

Steam€2.99

BuyCheapKeys key€4.41

Tales of Cosmos

Steam€12.49

BuyCheapKeys key€30.21

-80% vs Steam RRP

Caverns of Mars: Recharged

Steam RRP€9.75

BuyCheapKeys key€1.95

-57% vs Steam RRP

Stardiver

Steam RRP€11.79

BuyCheapKeys key€5.09