Multiplayer first person shooter games with 4-player local/couch support

Call of Duty: Black Ops 4

Players: 4 local, 0 online

Borderlands: Game of the Year Edition

Players: 4 local, 0 online

DOOM II

Players: 0 local, 0 online

Quake II

Players: 0 local, 360 online

Quake (Enhanced)

Players: 4 local, 0 online

Quake (Enhanced)

Players: 4 local, 0 online

LuPR: Lunar Post Recruit

Players: 0 local, 0 online

Borderlands: The Handsome Collection

Players: 4 local, 0 online

Serious Sam: The First Encounter

Players: 16 local, 0 online

Borderlands: The Handsome Collection

Players: 4 local, 0 online

Serious Sam 2

Players: 6 local, 0 online

DOOM

Players: 4 local, 360 online

Call of Duty: Black Ops 3

Players: 4 local, 0 online

Call of Duty: Black Ops 3

Players: 4 local, 0 online

Delta Force Black Hawk Down: Team Sabre

Players: 0 local, 0 online

Call of Duty: Black Ops 2

Players: 4 local, 360 online

Conduit 2

Players: 0 local, 0 online

DOOM II

Players: 4 local, 360 online

Call of Duty: Black Ops 2

Players: 4 local, 0 online

Marathon: Durandal

Players: 8 local, 360 online

Serious Sam: The First Encounter

Players: 0 local, 0 online

Conflict: Desert Storm II - Back to Baghdad

Players: 0 local, 0 online

DOOM II

Players: 0 local, 0 online

Gunscape

Players: 8 local, 0 online

Serious Sam 3: BFE

Players: 16 local, 0 online