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

Avorion

Players: 0 local, 10 online

Unrailed!

Players: 4 local, 4 online

Bloodsports.TV

Players: 0 local, 5 online

Plants vs Zombies: Garden Warfare 2

Players: 0 local, 4 online

Age of Empires III

Players: 0 local, 4 online

Duke Nukem 3D: 20th Anniversary Edition World Tour

Players: 0 local, 4 online

Dragon Ball Xenoverse 2

Players: 0 local, 6 online

Verdun

Players: 0 local, 4 online

Arizona Sunshine

Players: 0 local, 4 online

World War Z

Players: 0 local, 4 online

Band of Defenders

Players: 0 local, 4 online

Attack on Titan 2

Players: 0 local, 4 online

EMERGENCY 20

Players: 0 local, 4 online

Generation Zero

Players: 0 local, 4 online

Naruto to Boruto: Shinobi Striker

Players: 0 local, 4 online

GOD EATER 3

Players: 0 local, 8 online

Rec Room

Players: 0 local, 4 online

HYPERCHARGE: Unboxed

Players: 4 local, 4 online

Barotrauma

Players: 0 local, 16 online

Steel Division 2

Players: 0 local, 5 online

Borderlands: Game of the Year Edition

Players: 0 local, 4 online

Sea of Thieves

Players: 0 local, 4 online

Zombie Army 4: Dead War

Players: 0 local, 4 online

Marvel's Avengers

Players: 0 local, 4 online

Star Wars Battlefront II

Players: 0 local, 4 online