Cheapest Moddable games on Steam

Steam games tagged “Moddable” that you can buy as a key at BuyCheapKeys, compared with their Steam price.

-71% vs Steam RRP

Victoria 3

Steam RRP€49.99

BuyCheapKeys key€14.55

-20% vs Steam RRP

Game Dev Tycoon

Steam RRP€9.49

BuyCheapKeys key€7.58

-25% vs Steam RRP

Farming Simulator 25

Steam RRP€29.99

BuyCheapKeys key€22.50

-84% vs Steam RRP

Killing Floor

Steam RRP€19.99

BuyCheapKeys key€3.26

-12% vs Steam

S.T.A.L.K.E.R.: Shadow of Chernobyl

Steam€19.99

BuyCheapKeys key€17.59

-74% vs Steam RRP

MudRunner

Steam RRP€19.99

BuyCheapKeys key€5.12

-81% vs Steam RRP

Age of Empires III: Definitive Edition

Steam RRP€34.99

BuyCheapKeys key€6.72

-75% vs Steam RRP

Car Mechanic Simulator 2021

Steam RRP€24.50

BuyCheapKeys key€6.21

MX Bikes

Steam€29.99

BuyCheapKeys key€34.35

Call of Duty®: Modern Warfare® 2 (2009)

Steam€19.99

BuyCheapKeys key€35.66

-82% vs Steam RRP

Assetto Corsa Competizione

Steam RRP€39.99

BuyCheapKeys key€7.00

-69% vs Steam RRP

City Car Driving

Steam RRP€23.49

BuyCheapKeys key€7.22

-84% vs Steam RRP

Against the Storm

Steam RRP€29.99

BuyCheapKeys key€4.88

-57% vs Steam RRP

Rivals of Aether

Steam RRP€24.99

BuyCheapKeys key€10.66

-76% vs Steam RRP

Torchlight II

Steam RRP€18.99

BuyCheapKeys key€4.56

-69% vs Steam RRP

Call to Arms - Gates of Hell: Ostfront

Steam RRP€34.99

BuyCheapKeys key€10.91

-9% vs Steam RRP

inZOI

Steam RRP€39.99

BuyCheapKeys key€36.52

-8% vs Steam RRP

Dwarf Fortress

Steam RRP€30.49

BuyCheapKeys key€28.20

Not on Steam

Surviving Mars

Steam—

BuyCheapKeys key€8.24

Dragon Age: Origins - Ultimate Edition

Steam RRP€29.99

BuyCheapKeys key€30.74

-4% vs Steam

Kerbal Space Program 2

Steam€49.99

BuyCheapKeys key€48.07

-75% vs Steam RRP

Transport Fever 2

Steam RRP€39.99

BuyCheapKeys key€9.88

-79% vs Steam RRP

X4: Foundations

Steam RRP€49.99

BuyCheapKeys key€10.38

-75% vs Steam RRP

Workers & Resources: Soviet Republic

Steam RRP€39.99

BuyCheapKeys key€10.00

-43% vs Steam RRP

Mindustry

Steam RRP€9.99

BuyCheapKeys key€5.67

-85% vs Steam RRP

Outward Definitive Edition

Steam RRP€39.99

BuyCheapKeys key€6.10

-73% vs Steam RRP

Microsoft Flight Simulator X: Steam Edition

Steam RRP€24.99

BuyCheapKeys key€6.77

-44% vs Steam RRP

Farming Simulator 17

Steam RRP€12.49

BuyCheapKeys key€6.95

Call of Duty® 4: Modern Warfare® (2007)

Steam€19.99

BuyCheapKeys key€37.34

-54% vs Steam RRP

Sands of Salzaar

Steam RRP€12.49

BuyCheapKeys key€5.79

-46% vs Steam RRP

Forts

Steam RRP€14.99

BuyCheapKeys key€8.07

Feed and Grow: Fish

Steam€14.99

BuyCheapKeys key€17.69

-9% vs Steam RRP

Paralives

Steam RRP€38.99

BuyCheapKeys key€35.66

Not on Steam

Sonic Generations Collection

Steam—

BuyCheapKeys key€17.52

-82% vs Steam RRP

Descenders

Steam RRP€22.99

BuyCheapKeys key€4.21

-37% vs Steam RRP

Heroes of Might and Magic: Olden Era

Steam RRP€39.99

BuyCheapKeys key€25.19

-84% vs Steam RRP

Train Simulator Classic

Steam RRP€29.99

BuyCheapKeys key€4.69

-70% vs Steam RRP

Imperator: Rome

Steam RRP€39.99

BuyCheapKeys key€12.06

-52% vs Steam RRP

Fallout 3

Steam RRP€9.99

BuyCheapKeys key€4.80

-70% vs Steam RRP

Total War: NAPOLEON – Definitive Edition

Steam RRP€19.99

BuyCheapKeys key€6.04

-79% vs Steam RRP

Empires of the Undergrowth

Steam RRP€29.99

BuyCheapKeys key€6.38

-66% vs Steam RRP

Victoria II

Steam RRP€19.99

BuyCheapKeys key€6.89

-52% vs Steam RRP

Going Medieval

Steam RRP€29.99

BuyCheapKeys key€14.30

-12% vs Steam RRP

Automation - The Car Company Tycoon Game

Steam RRP€26.99

BuyCheapKeys key€23.66

-53% vs Steam RRP

Age of Wonders 4

Steam RRP€49.99

BuyCheapKeys key€23.63

-22% vs Steam RRP

Wildermyth

Steam RRP€20.99

BuyCheapKeys key€16.38

Not on Steam

Boundary

Steam—

BuyCheapKeys key€13.95

-13% vs Steam RRP

Sonic Adventure DX

Steam RRP€7.99

BuyCheapKeys key€6.92