Just curiosity

My zombies are dying when passing some time or passing some areas, what should this be? How can I fix it?
Thanks.

Hey, I would like to know how to create a shadow with something like a brush, if someone knows please help me.
Thanks.

I have my .map autosave backup of my map, but, how can I restore it into a exportable map, like, to appear in the mod tools launcher?
Thanks

 Hello, someone could tell me what some volumes do? Here are what I need to know:
Umbra volume, Fpstool 60 or die, Sky, Sun volume
Thanks 

 Always I test any of my maps the zombies have some strange animations, are floating, when they become crawlers they start flying, and stuff like that, how can I fix this bug? Please, someone help me, any screenshots/files you need to help me I will be happy to give to you 

 I have a map i've been making has 1 week, and, today, I had a problem, my simply don't open anymore, all I get is a blackscreen (opening via launcher and via BO3), someone know something that I could do to fix this bug?

 I´m making map has 1 week, everything was fine, but today, when I compiled and linked my map, the map simply don´t open, I have a blackscreen forever, my other maps are running fine, someone know something about this?

Hey, I am making a zombies map and I need help with something, my map is to easy, is there a way to change something to make the map harder??? Like in the mod ZM_INSANE, thanks.