Multiplayer mmo games for PC/Windows with 2-player support

World of Warplanes

Players: 0 local, 5 online

Phantasy Star Online 2 New Genesis

Players: 0 local, 12 online

The Elder Scrolls Online

Players: 0 local, 4 online

Arctic Combat

Players: 0 local, 4 online

Astellia

Players: 0 local, 4 online

Lost Ark

Players: 0 local, 4 online

Infestation: Survivor Stories

Players: 0 local, 70 online

Phantasy Star Online 2

Players: 0 local, 12 online

Might & Magic Heroes Online

Players: 0 local, 2 online

Boundless

Players: 0 local, 4 online

Guild Wars: Nightfall

Players: 0 local, 12 online

Dungeon Fighter Online

Players: 0 local, 4 online

Naruto Online

Players: 0 local, 4 online

Romans: Age of Caesar

Players: 0 local, 16 online

Champions of Titan

Players: 0 local, 4 online

Final Fantasy 14 Online

Players: 0 local, 8 online

New World

Players: 0 local, 5 online

Guild Wars 2

Players: 0 local, 50 online

Guild Wars

Players: 0 local, 12 online

Guild Wars: Factions

Players: 0 local, 12 online