Multiplayer first person shooter games for PC/Windows with 8-player split-screen support
Serious Sam: The First Encounter
Players: 4 local, 16 online
Gunscape
Players: 8 local, 8 online
Serious Sam 3: BFE
Players: 4 local, 16 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