Multiplayer first person shooter games for PC/Windows with 8-player online support

Duke Nukem 3D Megaton Edition

0 local, 8 online

Serious Sam: The First Encounter

4 local, 16 online

Quake

0 local, 16 online

Serious Sam: The Second Encounter

0 local, 16 online

Contagion

2 local, 8 online

Synergy (HL2 mod)

0 local, 16 online

Starship Troopers

0 local, 8 online

DOOM 3: Last Man Standing (Mod)

0 local, 16 online

Mission Against Terror

0 local, 8 online

Unfortunate Spacemen

0 local, 10 online

AirBuccaneers

0 local, 16 online

Hexen 2

0 local, 8 online

Combat Arms

0 local, 8 online

Serious Sam HD: The First Encounter

0 local, 16 online

Star Trek Elite Force 2 (HZM Co-op Script Mod)

0 local, 12 online

Coop Warfare (F.E.A.R. MOD)

0 local, 16 online

Serious Sam HD: The Second Encounter

0 local, 16 online

Gunscape

8 local, 8 online

Serious Sam 3: BFE

4 local, 16 online

Brink

0 local, 8 online

Counter-Strike Nexon: Zombies

0 local, 12 online

Mercenary Ops

0 local, 8 online

Alien Dawn

0 local, 8 online

Dead Island 2

0 local, 8 online

Insurgency: Sandstorm

0 local, 8 online