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.

-87% vs Steam

Human Extinction Simulator

Steam€19.99

BuyCheapKeys key€2.64

Carebotz

Steam€1.59

BuyCheapKeys key€2.99

-61% vs Steam RRP

Rage Runner

Steam RRP€4.99

BuyCheapKeys key€1.94

-24% vs Steam

Swarm Universe

Steam€3.99

BuyCheapKeys key€3.02

-70% vs Steam RRP

Megamagic: Wizards of the Neon Age

Steam RRP€8.99

BuyCheapKeys key€2.69

-90% vs Steam RRP

Arcaxer

Steam RRP€20.99

BuyCheapKeys key€2.09

-11% vs Steam

Iron Soul

Steam€4.99

BuyCheapKeys key€4.44

-35% vs Steam RRP

Pegasus-5: Gone Astray

Steam RRP€5.69

BuyCheapKeys key€3.70

-55% vs Steam RRP

PROJECT MAZE

Steam RRP€5.19

BuyCheapKeys key€2.34

-39% vs Steam RRP

War of the Human Tanks - Limited Operations

Steam RRP€9.75

BuyCheapKeys key€5.94

-81% vs Steam RRP

Excubitor

Steam RRP€14.79

BuyCheapKeys key€2.88

-66% vs Steam RRP

The Outforce

Steam RRP€9.75

BuyCheapKeys key€3.31

-81% vs Steam RRP

VELONE

Steam RRP€14.99

BuyCheapKeys key€2.91

-64% vs Steam RRP

Space Cows

Steam RRP€7.79

BuyCheapKeys key€2.79

-9% vs Steam

Edge of Dreams

Steam€12.49

BuyCheapKeys key€11.34

-33% vs Steam

DYSTORIA

Steam€16.79

BuyCheapKeys key€11.29

-76% vs Steam

The Protagonist: EX-1

Steam€11.59

BuyCheapKeys key€2.79

-54% vs Steam RRP

Interstellar Logistics Inc

Steam RRP€4.99

BuyCheapKeys key€2.29

-66% vs Steam RRP

IKO 39

Steam RRP€10.79

BuyCheapKeys key€3.71

-82% vs Steam RRP

Hyperdrive Massacre

Steam RRP€9.99

BuyCheapKeys key€1.81

-52% vs Steam RRP

Terminal squad: Swarmites

Steam RRP€3.99

BuyCheapKeys key€1.91

-50% vs Steam RRP

Mountains of Madness

Steam RRP€8.79

BuyCheapKeys key€4.36

The Entity

Steam€2.39

BuyCheapKeys key€3.85

-73% vs Steam RRP

On the Peril of Parrots

Steam RRP€9.75

BuyCheapKeys key€2.65

-87% vs Steam

Slinger VR

Steam€12.49

BuyCheapKeys key€1.64

-42% vs Steam RRP

Robowars

Steam RRP€3.99

BuyCheapKeys key€2.33

-10% vs Steam

A.N.N.E

Steam€14.79

BuyCheapKeys key€13.26

-11% vs Steam RRP

MUTATION PHASE

Steam RRP€3.99

BuyCheapKeys key€3.54

-74% vs Steam RRP

Nova Strike

Steam RRP€9.99

BuyCheapKeys key€2.62

Varion

Steam€4.99

BuyCheapKeys key€5.07

-62% vs Steam

Demons with Shotguns

Steam€9.99

BuyCheapKeys key€3.81

-52% vs Steam RRP

Pirate Patrol

Steam RRP€5.19

BuyCheapKeys key€2.49

-73% vs Steam RRP

Space Empires: Starfury

Steam RRP€8.19

BuyCheapKeys key€2.25

-23% vs Steam

Hell of Men : Blood Brothers

Steam€15.79

BuyCheapKeys key€12.10

Stereo Aereo

Steam€3.99

BuyCheapKeys key€4.90

Gakuin Makyo ~High School Crisis~

Steam RRP€1.99

BuyCheapKeys key€3.64

-8% vs Steam RRP

Space Haste 2

Steam RRP€4.99

BuyCheapKeys key€4.61

Goscurry

Steam€4.99

BuyCheapKeys key€17.05

-29% vs Steam RRP

Void Scout

Steam RRP€11.49

BuyCheapKeys key€8.14

-88% vs Steam

Last Encounter

Steam€14.99

BuyCheapKeys key€1.86

-47% vs Steam RRP

Void Future: Hacking Protocol

Steam RRP€15.49

BuyCheapKeys key€8.24

Evolvation

Steam€1.99

BuyCheapKeys key€13.89

-70% vs Steam

Antiprism

Steam€14.99

BuyCheapKeys key€4.46

-25% vs Steam

Aegis

Steam€2.99

BuyCheapKeys key€2.25

-7% vs Steam

Transmogrify

Steam€14.79

BuyCheapKeys key€13.81

-29% vs Steam RRP

Grimstar: Crystals are the New Oil!

Steam RRP€11.99

BuyCheapKeys key€8.54

-37% vs Steam RRP

HEVN

Steam RRP€8.19

BuyCheapKeys key€5.12

-60% vs Steam

Space Warp

Steam€4.99

BuyCheapKeys key€2.01