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.

-84% vs Steam

The Galactic Junkers

Steam€13.99

BuyCheapKeys key€2.30

Not on Steam

Heart. Papers. Border.

Steam—

BuyCheapKeys key€37.74

THOSE DAMN ALIENS! VR

Steam RRP€7.99

BuyCheapKeys key€32.59

-58% vs Steam RRP

Glasswinged Ascension

Steam RRP€4.99

BuyCheapKeys key€2.10

-76% vs Steam

PION

Steam€9.75

BuyCheapKeys key€2.35

-80% vs Steam RRP

Iron Dungeon

Steam RRP€9.75

BuyCheapKeys key€1.91

-60% vs Steam RRP

Martian Panic

Steam RRP€14.79

BuyCheapKeys key€5.92

Not on Steam

Reality Incognita

Steam—

BuyCheapKeys key€13.30

-70% vs Steam

Astro Chef

Steam€19.99

BuyCheapKeys key€5.96

Crystal Cosmos

Steam€4.99

BuyCheapKeys key€7.06

-64% vs Steam

TECHNOSPHERE RELOAD

Steam€9.40

BuyCheapKeys key€3.39

-52% vs Steam

Our Nation's Miner

Steam€4.99

BuyCheapKeys key€2.40

-84% vs Steam RRP

Partial Control

Steam RRP€10.79

BuyCheapKeys key€1.73

-76% vs Steam RRP

KING PONG

Steam RRP€16.79

BuyCheapKeys key€3.98

-55% vs Steam RRP

Hexitten

Steam RRP€14.79

BuyCheapKeys key€6.70

-68% vs Steam RRP

Smells Like a Mushroom

Steam RRP€15.99

BuyCheapKeys key€5.10

-28% vs Steam RRP

Mirage 7

Steam RRP€19.99

BuyCheapKeys key€14.35

-67% vs Steam

Somewhere on Zibylon

Steam€9.99

BuyCheapKeys key€3.26

-53% vs Steam RRP

Hyper Gods

Steam RRP€5.69

BuyCheapKeys key€2.66

-44% vs Steam

NeXus: One Core

Steam€4.99

BuyCheapKeys key€2.80

Alien Blitz

Steam€0.79

BuyCheapKeys key€4.36

-32% vs Steam

Terraforming Earth

Steam€9.75

BuyCheapKeys key€6.67

-33% vs Steam

Retrobooster

Steam€14.79

BuyCheapKeys key€9.97

-59% vs Steam

Samsara

Steam€9.75

BuyCheapKeys key€3.99

Galactic Fighters

Steam RRP€2.99

BuyCheapKeys key€3.35

-24% vs Steam RRP

Space Waver

Steam RRP€2.99

BuyCheapKeys key€2.27

-52% vs Steam RRP

RepairBot

Steam RRP€4.99

BuyCheapKeys key€2.41

Star Impact

Steam€3.99

BuyCheapKeys key€6.01

Not on Steam

Danger Forever

Steam—

BuyCheapKeys key€11.24

-78% vs Steam RRP

V.A.U.L.T. PROTOCOL

Steam RRP€9.75

BuyCheapKeys key€2.16

-78% vs Steam RRP

Robo's World: The Zarnok Fortress

Steam RRP€9.99

BuyCheapKeys key€2.20

-44% vs Steam RRP

Terra Lander II - Rockslide Rescue

Steam RRP€4.99

BuyCheapKeys key€2.77

Revolve

Steam RRP€4.99

BuyCheapKeys key€8.16

Ashes of Kanaka

Steam€1.59

BuyCheapKeys key€4.01

Catch the Thief, If you can!

Steam€9.75

BuyCheapKeys key€14.00

-36% vs Steam RRP

Void: Icarus

Steam RRP€4.99

BuyCheapKeys key€3.17

-63% vs Steam RRP

Bullet Runner

Steam RRP€14.79

BuyCheapKeys key€5.43

The Unearthened - Complete Edition

Steam€7.79

BuyCheapKeys key€12.43

-35% vs Steam RRP

NINJA KIDZ: TIME MASTERS

Steam RRP€19.90

BuyCheapKeys key€12.85

-58% vs Steam RRP

A.I. Space Corps

Steam RRP€4.99

BuyCheapKeys key€2.10

EGO Protocol

Steam€1.59

BuyCheapKeys key€5.25

-82% vs Steam RRP

The Mystery Of The Moon

Steam RRP€58.99

BuyCheapKeys key€10.89

-1% vs Steam

Nordenfelt

Steam€5.99

BuyCheapKeys key€5.95

Bug N Out

Steam RRP€2.99

BuyCheapKeys key€3.63

-41% vs Steam RRP

Warships On The Halloween Night

Steam RRP€3.99

BuyCheapKeys key€2.36

StarBallMadNess

Steam RRP€2.09

BuyCheapKeys key€4.83

Stranded 2

Steam RRP€3.99

BuyCheapKeys key€4.78

-70% vs Steam RRP

Project:EagleBeak

Steam RRP€8.19

BuyCheapKeys key€2.44