Two invincible zombie defense war, unlimited life, unlimited money! Still too many zombies to fight can not afford to worry about you, zombie defensive war invincible you once more to kill a cool, invincible life, unlimited money, buy weapons and defense, is not afraid of more zombies! Zombie defense battle the second part, this is more exciting than the first. A large number of zombies attacking your trucks and helicopters to destroy the zombies. They speed quickly, must be small oh!