The undead horde is relentless; it's an undeniable truth of every Call of Duty Zombies experience. But sometimes, survival necessitates a strategic retreat. That's where exfil comes in. Knowing how to exfil in CoD BO6 Zombies will be paramount to progressing through maps, earning valuable rewards, and living to fight another day COD BO6 Boosting . What is Exfil in CoD BO6 Zombies?Exfil, short...