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

Totally Reliable Delivery Service

Players: 4 local, 4 online

Bloodsports.TV

Players: 0 local, 5 online

Clone Drone in the Danger Zone

Players: 0 local, 5 online

Metal Gear Survive

Players: 0 local, 4 online

Yet Another Zombie Defense HD

Players: 4 local, 4 online

Naruto to Boruto: Shinobi Striker

Players: 0 local, 4 online

Earth Defense Force 4.1: The Shadow of New Despair

Players: 2 local, 4 online

Outriders

Players: 0 local, 3 online

Get Packed: Fully Loaded

Players: 4 local, 4 online

Clonk Rage

Players: 4 local, 12 online

OrbWars

Players: 4 local, 4 online

Silica

Players: 0 local, 12 online

Rogue Glitch Ultra

Players: 4 local, 4 online

Daemon X Machina

Players: 0 local, 4 online

Gang Beasts

Players: 4 local, 8 online

Lara Croft and the Temple of Osiris

Players: 4 local, 4 online

Borderlands

Players: 0 local, 4 online

Superfighters Deluxe

Players: 4 local, 4 online

Saints Row 2

Players: 0 local, 2 online

Door Kickers: Action Squad

Players: 2 local, 2 online

Conflict Global Terror

Players: 0 local, 4 online

Lara Croft and the Guardian of Light

Players: 2 local, 2 online

Gears of War

Players: 0 local, 2 online

Nine Parchments

Players: 4 local, 4 online

Risk of Rain 2

Players: 0 local, 4 online