The entire game is now Halloween themed, from the music to the environment
The Zombies have pumpkin-heads for the "real" halloween feeling
Player get a trick or treat bucket on their arm, and can compete on who gathers the most candy in the game
Various backend updates (Performance and connectivity updates)
Since the outbreak, New York has been turned into an isolated quarantine zone. You and your squad are just on the way to the quarantine zone border to reinforce the guard when an unexpected emergency call forces you to enter. Those who enter the quarantine zone rarely return. Can you and your team survive?