The Boom Chickens were created by Roberto, an engineer who was searching a new method of helping a survivor during a fight. Usable as an effective bait and explosive device at once, the Boom Chicken is a useful piece of equipment.
Boom Chickens are essentially live, walking Frag Grenades or Mines, useful for clearing out hordes from a distance or luring the zombies away. They are the first of Combat Chicken available to the player, however, they also deal the least damage. Because of it, upgrades are recommended if they are to be used in latter parts of the game.