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.

-43% vs Steam RRP

Parkan 2

Steam RRP€3.99

BuyCheapKeys key€2.27

-3% vs Steam RRP

3079 -- Block Action RPG

Steam RRP€4.99

BuyCheapKeys key€4.86

-77% vs Steam RRP

Valfaris: Mecha Therion

Steam RRP€24.50

BuyCheapKeys key€5.57

-45% vs Steam RRP

The Hand of Merlin

Steam RRP€27.25

BuyCheapKeys key€15.00

Protocol

Steam RRP€8.79

BuyCheapKeys key€10.36

-21% vs Steam RRP

The Rule of Land: Pioneers

Steam RRP€8.99

BuyCheapKeys key€7.14

-29% vs Steam

Artemis Spaceship Bridge Simulator

Steam€6.89

BuyCheapKeys key€4.86

-80% vs Steam RRP

Bionic Dues

Steam RRP€9.75

BuyCheapKeys key€1.93

Not on Steam

Colonies Online

Steam—

BuyCheapKeys key€27.65

Solar Settlers

Steam RRP€8.99

BuyCheapKeys key€10.29

Oceanhorn 2: Knights of the Lost Realm

Steam RRP€28.99

BuyCheapKeys key€38.19

-52% vs Steam RRP

X: Beyond the Frontier

Steam RRP€4.99

BuyCheapKeys key€2.38

-78% vs Steam RRP

Boti: Byteland Overclocked

Steam RRP€19.99

BuyCheapKeys key€4.39

-84% vs Steam RRP

LunarLux

Steam RRP€18.49

BuyCheapKeys key€2.92

-46% vs Steam RRP

Call Of The Mighty Warriors

Steam RRP€4.90

BuyCheapKeys key€2.67

-61% vs Steam RRP

Space Architect

Steam RRP€9.49

BuyCheapKeys key€3.73

-70% vs Steam RRP

REVOLVER360 RE:ACTOR

Steam RRP€9.99

BuyCheapKeys key€3.01

-81% vs Steam RRP

Not The Robots

Steam RRP€9.75

BuyCheapKeys key€1.81

-46% vs Steam RRP

Krush Kill 'N Destroy Xtreme

Steam RRP€8.99

BuyCheapKeys key€4.86

-70% vs Steam

Ascent - The Space Game

Steam€19.99

BuyCheapKeys key€6.03

-84% vs Steam RRP

SPACE ACCIDENT

Steam RRP€11.99

BuyCheapKeys key€1.94

-47% vs Steam RRP

Wasteland 1 - The Original Classic

Steam RRP€5.49

BuyCheapKeys key€2.90

-90% vs Steam RRP

Guardians Frontline

Steam RRP€24.99

BuyCheapKeys key€2.51

-89% vs Steam RRP

Super Hydorah

Steam RRP€19.99

BuyCheapKeys key€2.15

-56% vs Steam RRP

Transient: Extended Edition

Steam RRP€19.50

BuyCheapKeys key€8.51

-79% vs Steam RRP

Starward Rogue

Steam RRP€11.79

BuyCheapKeys key€2.46

The Apogee Throwback Pack

Steam RRP€9.99

BuyCheapKeys key€11.76

-85% vs Steam RRP

Recursive Ruin

Steam RRP€14.79

BuyCheapKeys key€2.26

-58% vs Steam RRP

8-Bit Adventures 2

Steam RRP€16.79

BuyCheapKeys key€7.11

-71% vs Steam RRP

Second Sight

Steam RRP€9.99

BuyCheapKeys key€2.92

-73% vs Steam RRP

Morningstar: Descent to Deadrock

Steam RRP€9.99

BuyCheapKeys key€2.66

-80% vs Steam RRP

Acceleration of SUGURI 2

Steam RRP€8.79

BuyCheapKeys key€1.74

-85% vs Steam RRP

Drone Swarm

Steam RRP€16.99

BuyCheapKeys key€2.50

-74% vs Steam

Operation Warcade VR

Steam€19.99

BuyCheapKeys key€5.14

-82% vs Steam RRP

Dolmen

Steam RRP€19.99

BuyCheapKeys key€3.61

-44% vs Steam RRP

Shadow Labyrinth

Steam RRP€29.99

BuyCheapKeys key€16.70

-75% vs Steam RRP

Magnetic: Cage Closed

Steam RRP€14.99

BuyCheapKeys key€3.70

-17% vs Steam RRP

Doctor Who: The Edge of Reality

Steam RRP€24.99

BuyCheapKeys key€20.81

-80% vs Steam RRP

Drox Operative

Steam RRP€19.50

BuyCheapKeys key€3.95

-30% vs Steam RRP

The White Laboratory

Steam RRP€8.19

BuyCheapKeys key€5.71

-71% vs Steam RRP

Space Prison

Steam RRP€19.99

BuyCheapKeys key€5.71

-78% vs Steam RRP

Ancient Space

Steam RRP€19.99

BuyCheapKeys key€4.35

-73% vs Steam RRP

Ereban: Shadow Legacy

Steam RRP€19.99

BuyCheapKeys key€5.36

-61% vs Steam RRP

Genopanic

Steam RRP€8.79

BuyCheapKeys key€3.42

-54% vs Steam

Thunder Ray

Steam€12.49

BuyCheapKeys key€5.70

-54% vs Steam RRP

Void Destroyer

Steam RRP€3.99

BuyCheapKeys key€1.82

-68% vs Steam RRP

Californium

Steam RRP€5.99

BuyCheapKeys key€1.89

-60% vs Steam

Arms Evolution: ZOMBIE DESTROYER

Steam€5.89

BuyCheapKeys key€2.33