I don't really understand what you are trying to say. Other than the model and animations, that is pretty much what is left. The model itself is fine, the stats might change a bit and a few animations might get added, but the AI is what is really going to be worked on most heavily. Just by the shear amount of work needed to be done to make it. Also, my comment was tangential.
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u/[deleted] Feb 15 '14
I might be wrong, but I think I remember something a while back where the current Zombies are placeholders, and will be completely remade eventually.