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

BROFORCE

Players: 4 local, 4 online

Starbound

Players: 0 local, 8 online

Halo Wars: Definitive Edition

Players: 0 local, 2 online

Escape the Backrooms

Players: 0 local, 4 online

Rogue Glitch Ultra

Players: 4 local, 4 online

SCP: 5K

Players: 0 local, 4 online

The Outlast Trials

Players: 0 local, 4 online

Magicka 2

Players: 4 local, 4 online

Synthetik

Players: 0 local, 2 online

Gunfire Reborn

Players: 0 local, 4 online

Deep Rock Galactic

Players: 0 local, 4 online

Alien Swarm: Reactive Drop

Players: 0 local, 8 online

Daemon X Machina

Players: 0 local, 4 online

TerraTech

Players: 0 local, 4 online

Hero Siege

Players: 4 local, 4 online

Dead Rising 3

Players: 0 local, 2 online

Zombie Army Trilogy

Players: 0 local, 4 online

Plants vs Zombies: Garden Warfare 2

Players: 0 local, 4 online

Age of Empires III

Players: 0 local, 4 online

Palworld

Players: 0 local, 32 online

Gang Beasts

Players: 4 local, 8 online

We Were Here Too

Players: 0 local, 2 online

CounterAttack: Uprising

Players: 4 local, 8 online

Mindustry

Players: 0 local, 16 online

Age of Empires III: Definitive Edition

Players: 0 local, 4 online