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

Civilization VI

Players: 6 local, 6 online

Borderlands 3

Players: 0 local, 4 online

Serious Sam 3: BFE

Players: 4 local, 16 online

The Scourge Project

Players: 0 local, 4 online

Monster Madness: Battle For Suburbia

Players: 4 local, 4 online

Codename Panzers: Cold War

Players: 0 local, 2 online

Orcs Must Die! 2

Players: 0 local, 2 online

Madballs in...Babo: Invasion

Players: 0 local, 4 online

Mass Effect 3

Players: 0 local, 4 online

Command and Conquer 4: Tiberian Twilight

Players: 0 local, 2 online

Nation Red

Players: 4 local, 4 online

Dead Space 3

Players: 0 local, 2 online

Signal Ops

Players: 3 local, 3 online

Tom Clancy's The Division

Players: 0 local, 4 online

Sanctum 2

Players: 0 local, 4 online

Defenders of Ardania

Players: 0 local, 4 online

Neverwinter Nights: Enhanced Edition

Players: 0 local, 4 online

Sonic the Hedgehog 4: Episode II

Players: 2 local, 2 online

Fable 3

Players: 0 local, 2 online

Call of Duty: Black Ops 3

Players: 2 local, 4 online

Skyward Collapse

Players: 0 local, 8 online

Commandos 2: Men of Courage

Players: 0 local, 4 online

The Dark Pictures Anthology: Man of Medan

Players: 5 local, 2 online

Diablo IV

Players: 0 local, 4 online

Alien Breed: Impact

Players: 0 local, 2 online