User blog comment:Armyman234/Treyarch hands over DLC production to Raven Software/@comment-94.6.242.206-20101203132609/@comment-1886172-20101204023647

Actually fire is the worst thing to fight zombies with. They feel no pain therefore unless it melts them it wont do much. The cold on the other hand does alot as they have no body tempature and so would freeze much quicker then a human.