If anybody want to help me with achievements for zombies please send a friend request to me please I am not the best but i will try. i have all the map packs so far all three there will be another one on the 23 rd and i plan on getting that one too.
I dunno if you've already got the achievements yet but i'm interested :) im not great at zombies either but i know vaguely what to do as i've watched some guides for most achievements.
add me please. ill help u when i can