NO HUD ELEMENTS WILL SHOW IF YOU DO NOT ADD ANY DVARS.
1 = Enabled 0 = Disabled
Dvars:
set healthBar 1 //Enables healthbar hud
set enemyCounter 1 //Enables zombie count hud
set timer 1 //Enables overall timer
set roundTimer 1 //Enables time in current round
set bleedOut 1 //Enables bleed-out progress hud
All dvars should be pasted to config file, and either turned on or off to users preference.