Multiplayer first person shooter games for PC/Windows with 4-player local/couch support
Quake (Enhanced)
Players: 4 local, 4 online
LuPR: Lunar Post Recruit
Players: 4 local, 0 online
Serious Sam: The First Encounter
Players: 4 local, 16 online
Serious Sam 2
Players: 4 local, 6 online
Gunscape
Players: 8 local, 8 online
Serious Sam 3: BFE
Players: 4 local, 16 online
Reload
Players: 4 local, 0 online
Killing, My Friend
Players: 4 local, 4 online
Space Beast Terror Fright
Players: 4 local, 4 online
Chex Quest HD
Players: 4 local, 0 online
DOOM (1993)
Players: 4 local, 0 online
Call Of Dookie
Players: 4 local, 4 online
Blood: Fresh Supply
Players: 8 local, 8 online
Quake II (Enhanced)
Players: 8 local, 8 online
DOOM + DOOM II
Players: 8 local, 16 online