Unknown the virus escaped from the laboratory, through the fault of the staff, and began to infect humans, thus turning them into zombies.
Cheat code - ZINCITY (Activation/Deactivation)
1. Sometimes zombies can use weapons(especially the gang)
2. Some people forget to turn into a zombie, and acting normally(especially drug dealers)
P. S: a Huge thank you Shagg_E and Vital for the help in the script!