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

Diablo II

Players: 0 local, 8 online

For The King

Players: 3 local, 3 online

Risk of Rain

Players: 4 local, 4 online

Trine 2: Complete Story

Players: 3 local, 3 online

Titan Quest: Anniversary Edition

Players: 0 local, 6 online

Farming Simulator 15

Players: 0 local, 16 online

Metal Slug 3

Players: 2 local, 2 online

BattleBlock Theater

Players: 4 local, 2 online

Degrees of Separation

Players: 2 local, 2 online

Baldur's Gate: Enhanced Edition

Players: 0 local, 6 online

Sea of Thieves

Players: 0 local, 4 online

Ranch Simulator

Players: 0 local, 4 online

Muck

Players: 0 local, 8 online

Goat Simulator 3

Players: 4 local, 4 online

Resident Evil 5

Players: 2 local, 2 online

Portal 2

Players: 2 local, 2 online

Dying Light

Players: 0 local, 4 online

SpellForce 2: Shadow Wars

Players: 0 local, 3 online

Operation Flashpoint 2: Dragon Rising

Players: 0 local, 4 online

Grim Dawn

Players: 0 local, 4 online

Castle Crashers

Players: 4 local, 4 online

Left 4 Dead

Players: 2 local, 4 online

Neverwinter Nights

Players: 0 local, 4 online

Icewind Dale 2

Players: 0 local, 6 online

Men of War

Players: 0 local, 4 online