Multiplayer games for PC/Windows with 8-player online support

Total Annihilation

Players: 0 local, 10 online

Tom Clancy's The Division 2

Players: 0 local, 8 online

Serious Sam: The First Encounter

Players: 4 local, 16 online

Terraria

Players: 0 local, 8 online

Dungeon Siege II

Players: 0 local, 8 online

Minecraft

Players: 0 local, 8 online

Cobalt

Players: 2 local, 8 online

The Wild Eight

Players: 0 local, 8 online

Red Solstice 2: Survivors

Players: 0 local, 8 online

Arcanum: Of Steamworks & Magick Obscura

Players: 0 local, 8 online

Trailmakers

Players: 0 local, 8 online

Unfortunate Spacemen

Players: 0 local, 10 online

No One Survived

Players: 0 local, 10 online

Europa Universalis IV

Players: 0 local, 12 online

Zombasite

Players: 0 local, 16 online

Farming Simulator 19

Players: 0 local, 16 online

Farm Together

Players: 4 local, 16 online

Final Days

Players: 4 local, 16 online

Running with Rifles

Players: 0 local, 32 online

No Man's Sky

Players: 0 local, 32 online

Stellaris

Players: 0 local, 32 online

Sven Co-Op

Players: 0 local, 32 online

7 Days to Die

Players: 0 local, 64 online

ArmA III

Players: 0 local, 16 online

Project Zomboid

Players: 4 local, 32 online