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.

FLASHOUT 2

Steam RRP€9.79

BuyCheapKeys key€16.75

-89% vs Steam RRP

Dreadlands

Steam RRP€24.50

BuyCheapKeys key€2.79

VOLTED

Steam RRP€3.99

BuyCheapKeys key€5.64

-78% vs Steam

Algo Bot

Steam€9.99

BuyCheapKeys key€2.24

-6% vs Steam

SUPER BOMBERMAN R 2

Steam€49.99

BuyCheapKeys key€47.00

-55% vs Steam RRP

Tesla Force

Steam RRP€16.49

BuyCheapKeys key€7.41

-73% vs Steam RRP

Star Hammer: The Vanguard Prophecy

Steam RRP€19.50

BuyCheapKeys key€5.29

-13% vs Steam RRP

REPOSE

Steam RRP€7.49

BuyCheapKeys key€6.55

-84% vs Steam RRP

SYMMETRY

Steam RRP€10.99

BuyCheapKeys key€1.71

Mechanism

Steam€10.79

BuyCheapKeys key€10.89

-88% vs Steam RRP

Voltage High Society

Steam RRP€19.99

BuyCheapKeys key€2.33

-30% vs Steam RRP

Diesel Legacy: The Brazen Age

Steam RRP€19.50

BuyCheapKeys key€13.61

-54% vs Steam RRP

Imperium Galactica

Steam RRP€4.99

BuyCheapKeys key€2.29

-80% vs Steam RRP

Recompile

Steam RRP€19.99

BuyCheapKeys key€4.04

-13% vs Steam

PSYCHO-PASS: Mandatory Happiness

Steam€19.99

BuyCheapKeys key€17.43

-56% vs Steam RRP

Voyage: Journey to the Moon

Steam RRP€4.99

BuyCheapKeys key€2.21

-69% vs Steam RRP

Orange Cast: Sci-Fi Space Action Game

Steam RRP€6.89

BuyCheapKeys key€2.11

-27% vs Steam RRP

Insincere

Steam RRP€3.99

BuyCheapKeys key€2.91

-87% vs Steam RRP

XEL

Steam RRP€14.99

BuyCheapKeys key€1.98

-68% vs Steam RRP

Quantum Odyssey

Steam RRP€12.99

BuyCheapKeys key€4.18

-50% vs Steam

Zarya-1: Mystery on the Moon

Steam€3.99

BuyCheapKeys key€1.98

Schism

Steam RRP€11.79

BuyCheapKeys key€12.95

-42% vs Steam RRP

Star Wolves 2

Steam RRP€3.99

BuyCheapKeys key€2.30

Gemini Wars

Steam€8.19

BuyCheapKeys key€8.99

-57% vs Steam RRP

Sentinel 3: Homeworld

Steam RRP€5.89

BuyCheapKeys key€2.52

-46% vs Steam RRP

Battle Engine Aquila

Steam RRP€8.19

BuyCheapKeys key€4.45

-49% vs Steam RRP

delivery pals

Steam RRP€9.75

BuyCheapKeys key€4.99

Not on Steam

Velocity 2X

Steam—

BuyCheapKeys key€31.50

-83% vs Steam RRP

Star Overdrive

Steam RRP€34.99

BuyCheapKeys key€6.00

-57% vs Steam RRP

Galactic Civilizations® I: Ultimate Edition

Steam RRP€5.19

BuyCheapKeys key€2.23

-69% vs Steam RRP

StarFringe: Adversus

Steam RRP€6.15

BuyCheapKeys key€1.88

-68% vs Steam RRP

Dal Segno

Steam RRP€36.99

BuyCheapKeys key€11.88

-87% vs Steam RRP

UFO: Unidentified Falling Objects

Steam RRP€14.79

BuyCheapKeys key€1.88

-30% vs Steam RRP

Alien Hallway 2

Steam RRP€5.19

BuyCheapKeys key€3.64

-20% vs Steam RRP

Starpoint Gemini

Steam RRP€13.99

BuyCheapKeys key€11.14

-65% vs Steam RRP

Star Merchant

Steam RRP€5.19

BuyCheapKeys key€1.80

-86% vs Steam RRP

Soul Axiom

Steam RRP€19.99

BuyCheapKeys key€2.74

-80% vs Steam RRP

Moduwar

Steam RRP€14.99

BuyCheapKeys key€3.06

-69% vs Steam RRP

Suicide Guy VR

Steam RRP€9.75

BuyCheapKeys key€3.04

-78% vs Steam RRP

The Assembly

Steam RRP€24.99

BuyCheapKeys key€5.49

Tex Murphy: Under a Killing Moon

Steam RRP€9.99

BuyCheapKeys key€10.27

-79% vs Steam RRP

Disjunction

Steam RRP€15.99

BuyCheapKeys key€3.42

Not on Steam

Pulstar

Steam—

BuyCheapKeys key€3.99

-50% vs Steam RRP

Science Girls

Steam RRP€4.99

BuyCheapKeys key€2.51

-47% vs Steam RRP

Genesis Rising

Steam RRP€4.99

BuyCheapKeys key€2.62

-78% vs Steam RRP

Original Journey

Steam RRP€11.39

BuyCheapKeys key€2.54

-89% vs Steam RRP

Blind Fate: Edo no Yami

Steam RRP€19.79

BuyCheapKeys key€2.24

-92% vs Steam RRP

Flashback 2

Steam RRP€39.99

BuyCheapKeys key€3.15