Multiplayer action games for PC/Windows with 4-player support

Bloodsports.TV

Players: 0 local, 5 online

Clone Drone in the Danger Zone

Players: 0 local, 5 online

Flat Heroes

Players: 4 local, 0 online

Wee Tanks!

Players: 4 local, 0 online

Death Road to Canada

Players: 4 local, 0 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

Abathor

Players: 4 local, 0 online

Vampire Survivors

Players: 4 local, 0 online

MADNESS: Project Nexus

Players: 4 local, 0 online

xDasher

Players: 4 local, 0 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

Totally Reliable Delivery Service

Players: 4 local, 4 online

Superfighters Deluxe

Players: 4 local, 4 online

Lovers in a Dangerous Spacetime

Players: 4 local, 0 online

Conflict Global Terror

Players: 0 local, 4 online