Board Thread:General Discussion/@comment-33237266-20171008053300/@comment-33237266-20171008185353

PeridotIsWithYou wrote: No one actually knows - they spawn in set spawn points.

I assume that every time you kill one zombie, two spawn, up until a certain limit. Essentially, every zombie you kill doubles the number, but they continue to spawn even if you don't kill anything.

Maybe I'll look into it a bit more... Thanks for the response. I thought that too.