Any player that is not on the Werewolf team can be turned into a Zombie. This player will lose all abilities from their previous role and will be able to bite and convert other players. Players on the Zombie team can talk to each other during the night, and each Zombie can select one player to bite. Because of this, the Zombies can quickly win the game.
The Zombies win if all possible players have been converted and when all werewolves have been killed.