[From back of box]:
Infect the world through wi-fi victories!
A mutant virus is turning New Yorkers into flesh-hungry zombies! In a gore-soaked campaign mode, you will save New York from the Infected!
In four brutal Multi-player modes, you will infect your opponensts with your customized cop! Play 8-player games in ad hoc mode, or Infect the World in 2-player Internet death-matches. Track your infection online as you spread it around the world!