After reading a few comments, I upgraded the maps, such as more detail. Details are not completely done yet, still needs bit more work.
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
Have fun! you can submit your bugs, here.
We also have a Trailer, Available here or the youtube channel.
-Developer