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.

-39% vs Steam RRP

Mars: War Logs

Steam RRP€4.99

BuyCheapKeys key€3.06

-54% vs Steam RRP

Fallout 4 Season Pass

Steam RRP€34.99

BuyCheapKeys key€16.20

-46% vs Steam RRP

Red Faction

Steam RRP€9.99

BuyCheapKeys key€5.41

-93% vs Steam RRP

Cubic Odyssey

Steam RRP€31.86

BuyCheapKeys key€2.21

-81% vs Steam RRP

Turok 2: Seeds of Evil

Steam RRP€19.99

BuyCheapKeys key€3.77

-74% vs Steam RRP

The Expanse: A Telltale Series

Steam RRP€24.50

BuyCheapKeys key€6.45

-91% vs Steam RRP

Citizen Sleeper 2: Starward Vector

Steam RRP€24.50

BuyCheapKeys key€2.16

-51% vs Steam RRP

Fallout Tactics: Brotherhood of Steel

Steam RRP€9.99

BuyCheapKeys key€4.90

-75% vs Steam RRP

DOOM VFR

Steam RRP€14.99

BuyCheapKeys key€3.75

-71% vs Steam RRP

Mega Man Zero/ZX Legacy Collection

Steam RRP€29.99

BuyCheapKeys key€8.81

-73% vs Steam RRP

HARDCORE MECHA

Steam RRP€16.79

BuyCheapKeys key€4.59

-9% vs Steam RRP

Supreme Commander

Steam RRP€9.99

BuyCheapKeys key€9.09

-26% vs Steam RRP

S4U: CITYPUNK 2011 AND LOVE PUNCH

Steam RRP€13.79

BuyCheapKeys key€10.24

-80% vs Steam RRP

Duskers

Steam RRP€19.99

BuyCheapKeys key€4.09

-88% vs Steam RRP

Fort Solis

Steam RRP€24.99

BuyCheapKeys key€2.89

Rick and Morty: Virtual Rick-ality

Steam€27.99

BuyCheapKeys key€32.16

-50% vs Steam

Airscape - The Fall of Gravity

Steam€4.99

BuyCheapKeys key€2.51

BallisticNG

Steam RRP€12.49

BuyCheapKeys key€17.60

-66% vs Steam RRP

The Technomancer

Steam RRP€9.99

BuyCheapKeys key€3.36

-82% vs Steam RRP

Destroy All Humans! 2 - Reprobed

Steam RRP€39.99

BuyCheapKeys key€7.35

-86% vs Steam RRP

Deliver Us Mars

Steam RRP€29.99

BuyCheapKeys key€4.22

-19% vs Steam RRP

Starcom: Nexus

Steam RRP€16.79

BuyCheapKeys key€13.64

-83% vs Steam RRP

ELDERBORN

Steam RRP€12.49

BuyCheapKeys key€2.16

-34% vs Steam RRP

Slipways

Steam RRP€14.99

BuyCheapKeys key€9.88

-72% vs Steam RRP

Gods Will Be Watching

Steam RRP€9.75

BuyCheapKeys key€2.77

-35% vs Steam RRP

Space Pirates and Zombies

Steam RRP€9.99

BuyCheapKeys key€6.49

High On Life 2

Steam RRP€40.99

BuyCheapKeys key€48.64

-11% vs Steam RRP

HELLGATE: London

Steam RRP€10.79

BuyCheapKeys key€9.61

-46% vs Steam RRP

Deus Ex: Invisible War

Steam RRP€6.99

BuyCheapKeys key€3.76

-64% vs Steam RRP

StarMade

Steam RRP€14.99

BuyCheapKeys key€5.43

-83% vs Steam RRP

Don't Escape: 4 Days to Survive

Steam RRP€14.79

BuyCheapKeys key€2.51

Not on Steam

Strike Vector

Steam—

BuyCheapKeys key€10.24

-66% vs Steam RRP

Moons of Madness

Steam RRP€24.99

BuyCheapKeys key€8.41

-47% vs Steam RRP

CHRONO CROSS: THE RADICAL DREAMERS EDITION

Steam RRP€19.99

BuyCheapKeys key€10.64

-44% vs Steam RRP

SUPER ROBOT WARS Y

Steam RRP€59.99

BuyCheapKeys key€33.81

-87% vs Steam RRP

Lacuna – A Sci-Fi Noir Adventure

Steam RRP€15.99

BuyCheapKeys key€2.01

-57% vs Steam RRP

Zeno Clash

Steam RRP€9.99

BuyCheapKeys key€4.32

-88% vs Steam RRP

Neo Cab

Steam RRP€14.79

BuyCheapKeys key€1.84

-75% vs Steam RRP

Drill Core

Steam RRP€19.50

BuyCheapKeys key€4.80

-9% vs Steam RRP

Judgment: Apocalypse Survival Simulation

Steam RRP€19.99

BuyCheapKeys key€18.16

-67% vs Steam RRP

Crimsonland

Steam RRP€13.79

BuyCheapKeys key€4.49

-4% vs Steam RRP

Warhammer 40,000: Mechanicus II

Steam RRP€39.99

BuyCheapKeys key€38.23

-85% vs Steam RRP

In Other Waters

Steam RRP€14.79

BuyCheapKeys key€2.16

-78% vs Steam RRP

X3: Terran Conflict

Steam RRP€15.99

BuyCheapKeys key€3.57

-86% vs Steam RRP

Ghostbusters: The Video Game Remastered

Steam RRP€24.99

BuyCheapKeys key€3.53

-75% vs Steam RRP

Star Control®: Origins

Steam RRP€20.49

BuyCheapKeys key€5.12

-91% vs Steam RRP

Torment: Tides of Numenera

Steam RRP€29.99

BuyCheapKeys key€2.84

-64% vs Steam RRP

METAL EDEN

Steam RRP€19.99

BuyCheapKeys key€7.14