Multiplayer first person shooter games for Xbox 360 with 4-player online support

Borderlands: The Pre-Sequel

Players: 2 local, 4 online

Borderlands 2

Players: 2 local, 4 online

Halo Reach

Players: 2 local, 4 online

Left 4 Dead 2

Players: 2 local, 4 online

Halo 3: ODST

Players: 2 local, 4 online

Left 4 Dead

Players: 2 local, 4 online

Halo 4

Players: 2 local, 4 online

Tom Clancy's Rainbow Six Vegas

Players: 2 local, 4 online

PAYDAY 2

Players: 0 local, 4 online

Unreal Tournament 3

Players: 2 local, 4 online

DOOM

Players: 4 local, 4 online

Call of Duty: World at War

Players: 2 local, 4 online

Dead Island

Players: 0 local, 4 online

Halo: Combat Evolved Anniversary

Players: 2 local, 4 online

Syndicate

Players: 0 local, 4 online

Section 8: Prejudice

Players: 0 local, 4 online

F.E.A.R. 3

Players: 2 local, 4 online

Serious Sam HD: The Second Encounter

Players: 0 local, 4 online

Call of Duty: Black Ops

Players: 2 local, 6 online

Serious Sam HD: The First Encounter

Players: 0 local, 4 online

Aliens vs Predator

Players: 0 local, 4 online

Duke Nukem 3D

Players: 0 local, 8 online

Brink

Players: 0 local, 8 online

Operation Flashpoint 2: Dragon Rising

Players: 0 local, 4 online

The Darkness II

Players: 0 local, 4 online