After a few days of editing, it was ready to be beta released.
Added:
Zombie Soldier
Zombie HEV
Zombie Female HEV
Zombie Blackops
Zombie Scientist Burnt
Zombie Soldier Gas Mask
Zombie Security
Zombie Black Ops Assassin
Zombie Gonome
Zombie Cleansuit Scientist
New Maps
More detailed Maps
You also need 7-zip, in order to open the file, Extract it into your half-life directory. not in the valve folder.
-Developer
GOOD