Cheapest Online Co-Op games on Steam

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

-59% vs Steam RRP

Terraria

Steam RRP€9.75

BuyCheapKeys key€4.00

-24% vs Steam RRP

Rust

Steam RRP€39.99

BuyCheapKeys key€30.49

-13% vs Steam RRP

Garry's Mod

Steam RRP€9.99

BuyCheapKeys key€8.71

-65% vs Steam RRP

Left 4 Dead 2

Steam RRP€9.75

BuyCheapKeys key€3.46

Dead by Daylight

Steam RRP€19.99

BuyCheapKeys key€26.49

-16% vs Steam RRP

Phasmophobia

Steam RRP€18.99

BuyCheapKeys key€15.86

Among Us

Steam RRP€4.49

BuyCheapKeys key€4.74

-13% vs Steam RRP

Valheim

Steam RRP€29.99

BuyCheapKeys key€26.11

-24% vs Steam RRP

PAYDAY 2

Steam RRP€9.49

BuyCheapKeys key€7.20

Palworld

Steam RRP€28.99

BuyCheapKeys key€31.49

Lethal Company

Steam€9.75

BuyCheapKeys key€11.99

-29% vs Steam RRP

DayZ

Steam RRP€47.99

BuyCheapKeys key€34.00

-78% vs Steam RRP

Don't Starve Together

Steam RRP€14.99

BuyCheapKeys key€3.35

-65% vs Steam RRP

Dying Light

Steam RRP€24.99

BuyCheapKeys key€8.86

Bloons TD 6

Steam RRP€13.79

BuyCheapKeys key€13.94

R.E.P.O.

Steam RRP€9.49

BuyCheapKeys key€9.62

-20% vs Steam RRP

Raft

Steam RRP€20.49

BuyCheapKeys key€16.31

-58% vs Steam RRP

Sea of Thieves: 2026 Edition

Steam RRP€39.99

BuyCheapKeys key€16.61

-32% vs Steam RRP

PEAK

Steam RRP€7.49

BuyCheapKeys key€5.11

-25% vs Steam RRP

ARC Raiders

Steam RRP€39.99

BuyCheapKeys key€29.91

-36% vs Steam RRP

7 Days to Die

Steam RRP€43.99

BuyCheapKeys key€28.02

-70% vs Steam RRP

Risk of Rain 2

Steam RRP€24.99

BuyCheapKeys key€7.41

-51% vs Steam RRP

Arma 3

Steam RRP€29.99

BuyCheapKeys key€14.58

-64% vs Steam RRP

It Takes Two

Steam RRP€39.99

BuyCheapKeys key€14.44

-90% vs Steam RRP

Borderlands 2

Steam RRP€44.99

BuyCheapKeys key€4.31

-47% vs Steam RRP

Squad

Steam RRP€33.99

BuyCheapKeys key€17.85

-16% vs Steam RRP

Escape the Backrooms

Steam RRP€9.49

BuyCheapKeys key€7.96

ELDEN RING NIGHTREIGN

Steam€39.99

BuyCheapKeys key€45.30

-79% vs Steam RRP

Borderlands 3

Steam RRP€59.99

BuyCheapKeys key€12.74

-31% vs Steam RRP

Teardown

Steam RRP€29.99

BuyCheapKeys key€20.75

-66% vs Steam RRP

Far Cry 3

Steam RRP€19.99

BuyCheapKeys key€6.77

-80% vs Steam RRP

V Rising

Steam RRP€34.99

BuyCheapKeys key€7.14

-56% vs Steam RRP

Castle Crashers®

Steam RRP€11.99

BuyCheapKeys key€5.25

-18% vs Steam RRP

Scrap Mechanic

Steam RRP€28.99

BuyCheapKeys key€23.66

-74% vs Steam RRP

Insurgency: Sandstorm

Steam RRP€29.99

BuyCheapKeys key€7.85

-31% vs Steam RRP

Stick Fight: The Game

Steam RRP€4.75

BuyCheapKeys key€3.29

-72% vs Steam RRP

SCUM

Steam RRP€44.99

BuyCheapKeys key€12.56

-4% vs Steam

Enshrouded

Steam€39.99

BuyCheapKeys key€38.38

-80% vs Steam RRP

MORDHAU

Steam RRP€28.99

BuyCheapKeys key€5.78

-87% vs Steam RRP

Warhammer: Vermintide 2

Steam RRP€27.99

BuyCheapKeys key€3.75

-24% vs Steam RRP

Gunfire Reborn

Steam RRP€16.79

BuyCheapKeys key€12.70

-78% vs Steam RRP

Starbound

Steam RRP€14.99

BuyCheapKeys key€3.34

-87% vs Steam RRP

Killing Floor 2

Steam RRP€27.99

BuyCheapKeys key€3.63

-53% vs Steam

Insurgency

Steam€12.49

BuyCheapKeys key€5.86

-69% vs Steam RRP

Elite Dangerous

Steam RRP€19.99

BuyCheapKeys key€6.24

-81% vs Steam RRP

MONSTER HUNTER RISE

Steam RRP€39.99

BuyCheapKeys key€7.74

-58% vs Steam RRP

Conan Exiles Enhanced

Steam RRP€39.99

BuyCheapKeys key€16.69

-79% vs Steam RRP

Green Hell

Steam RRP€20.99

BuyCheapKeys key€4.34