Hi xHank90x :)
To increase zombie damage there's an interesting thread over at OpenDayz
here that I think will help. From memory, the "fn_damagehandler.sqf" file is in the "compiles" directory of dayz_code.pbo.
As for the number of zeds, I'm sure there is a way to do this by editing "building_spawnZombies.sqf" - my guess is this reference => _rnd = random 1 <= but I wouldn't make it higher than 3
I'm not sure if it exists in DaiZy 2018 but in Epoch there was a setting in the init.sqf file (the one in the mission/map file) which had a line:
dayz_maxLocalZombies = 30; // Default = 30
This was a global setting (there was also a max world value) so it applied everywhere in the game world. Might be worth having a look through the files for something like that.
Walking zeds: depends on the version / mod of Dayz you're playing but in dayz_code.pbo;
In the Compiles folder, open control_zombieAgent.sqf and search for "forcespeed" - make these equal "2"
In the System folder, open zombie_agent.sqf and search for "forcespeed" - make these equal "2"
ie; forceSpeed 10 becomes forceSpeed 2
Cheers,
Eric