Multiplayer platform games for PC/Windows with 4-player online support

Vagante

Players: 4 local, 4 online

The Greatest Penguin Heist of All Time

Players: 0 local, 8 online

Simple Fish Adventure

Players: 0 local, 4 online

DDraceNetwork

Players: 0 local, 64 online

Bloody Trapland

Players: 4 local, 4 online

Bang-On Balls: Chronicles

Players: 2 local, 4 online

Spelunky

Players: 4 local, 4 online

Runbow

Players: 4 local, 9 online

Bob Was Hungry

Players: 0 local, 8 online

To The Top

Players: 0 local, 8 online

Ms. Splosion Man

Players: 4 local, 4 online

Spelunky 2

Players: 4 local, 4 online

Bloody Trapland 2: Curiosity

Players: 4 local, 4 online

Caveblazers Together

Players: 0 local, 4 online

Thief Girls Quartet

Players: 4 local, 4 online

Skeleton Crew

Players: 4 local, 4 online

Tallowmere 2: Curse of the Kittens

Players: 4 local, 4 online

Jack Axe

Players: 4 local, 4 online

Ballfrog

Players: 0 local, 4 online

BiblioMania

Players: 4 local, 4 online

Baka Adventures

Players: 0 local, 4 online

Sackboy: A Big Adventure

Players: 4 local, 4 online

FeeSoeeD

Players: 0 local, 4 online

Jazz Jackrabbit 2 Collection

Players: 4 local, 4 online

Mother Machine

Players: 0 local, 4 online