Multiplayer first person shooter games for PC/Windows with 6-player online support
Starship Troopers: Extermination
Players: 0 local, 16 online
Duke Nukem 3D Megaton Edition
Players: 0 local, 8 online
Duke Nukem 3D: 20th Anniversary Edition World Tour
Players: 0 local, 8 online
Serious Sam: The First Encounter
Players: 4 local, 16 online
Killing Floor 2
Players: 0 local, 6 online
Unfortunate Spacemen
Players: 0 local, 10 online
Serious Sam 2
Players: 4 local, 6 online
Quake
Players: 0 local, 16 online
Serious Sam: The Second Encounter
Players: 0 local, 16 online
Contagion
Players: 2 local, 8 online
Killing Floor
Players: 0 local, 6 online
Synergy (HL2 mod)
Players: 0 local, 16 online
Starship Troopers
Players: 0 local, 8 online
Team Fortress 2
Players: 0 local, 6 online
DOOM 3: Last Man Standing (Mod)
Players: 0 local, 16 online
Mission Against Terror
Players: 0 local, 8 online
AirBuccaneers
Players: 0 local, 16 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
Call of Duty: Black Ops
Players: 0 local, 6 online
Serious Sam HD: The Second Encounter
Players: 0 local, 16 online
Gunscape
Players: 8 local, 8 online
Insurgency: Sandstorm
Players: 0 local, 8 online
Serious Sam 3: BFE
Players: 4 local, 16 online