Multiplayer first person shooter games with 6-player support
Quake II
Players: 0 local, 360 online
Starship Troopers: Extermination
Players: 16 local, 0 online
Call of Duty: Ghosts
Players: 6 local, 0 online
Duke Nukem 3D Megaton Edition
Players: 8 local, 0 online
Duke Nukem 3D: 20th Anniversary Edition World Tour
Players: 8 local, 0 online
Call of Duty: Ghosts
Players: 6 local, 0 online
Tom Clancy's Rainbow Six 3: Raven Shield
Players: 0 local, 0 online
Serious Sam: The First Encounter
Players: 16 local, 0 online
Killing Floor 2
Players: 6 local, 0 online
Insurgency: Sandstorm
Players: 8 local, 0 online
Killing Floor 2
Players: 6 local, 0 online
Unfortunate Spacemen
Players: 10 local, 0 online
Serious Sam 2
Players: 6 local, 0 online
Killing Floor 2
Players: 6 local, 0 online
Quake
Players: 16 local, 0 online
Call of Duty: Ghosts
Players: 6 local, 0 online
Serious Sam: The Second Encounter
Players: 16 local, 0 online
Call of Duty: Black Ops
Players: 6 local, 0 online
Contagion
Players: 8 local, 0 online
Killing Floor
Players: 6 local, 0 online
Call of Duty: Black Ops
Players: 6 local, 360 online
Synergy (HL2 mod)
Players: 16 local, 0 online
Starship Troopers
Players: 8 local, 0 online
Team Fortress 2
Players: 6 local, 0 online
DOOM 3: Last Man Standing (Mod)
Players: 16 local, 0 online