PSP Game Cheats
GAMECUBE Game Cheats
GBA Game Cheats
N64 Game Cheats
PC Game Cheats
PS2 Game Cheats
PS3 Game Cheats
WII Game Cheats
XBOX360 Game Cheats
Infected
Slipknot 4
In mission 16, kill a zombie near the Slipknot sign, then get the avatar that it drops. The sign is located near the landing zone.