Multiplayer first person shooter games for PC/Windows with online support

Vietcong

Players: 0 local, 4 online

Painkiller Hell & Damnation

Players: 2 local, 2 online

God Mode

Players: 0 local, 4 online

Dead Island

Players: 0 local, 4 online

Dead Effect 2

Players: 0 local, 3 online

Tom Clancy's Ghost Recon Breakpoint

Players: 0 local, 4 online

Combat Arms

Players: 0 local, 8 online

Serious Sam HD: The First Encounter

Players: 0 local, 16 online

Star Trek Elite Force 2 (HZM Co-op Script Mod)

Players: 0 local, 12 online

The Darkness II

Players: 0 local, 4 online

Call of Duty: Black Ops

Players: 0 local, 6 online

Aliens vs Predator

Players: 0 local, 4 online

Painkiller Resurrection

Players: 0 local, 4 online

Serious Sam HD: The Second Encounter

Players: 0 local, 16 online

Conflict: Vietnam

Players: 0 local, 4 online

ORION: Prelude

Players: 0 local, 5 online

Wolfenstein: Youngblood

Players: 0 local, 2 online

Aliens: Colonial Marines

Players: 0 local, 4 online

PAYDAY: The Heist

Players: 0 local, 4 online

Call of Duty: Modern Warfare 2

Players: 0 local, 2 online

E.Y.E: Divine Cybermancy

Players: 0 local, 4 online

Warface

Players: 0 local, 5 online

Gunscape

Players: 8 local, 8 online

Battlefield 2042

Players: 0 local, 4 online

Quake 2: Co-Op Or Die!

Players: 0 local, 4 online