You need to complete an easter egg to melt the snow to get yourself the last, hidden perk in BO3 Zombies. The first five machines will get you Quick Revive, Jugger-Nog, Speed Cola, Double Tap II ...

It can be grabbed directly from the spawn area. Simply turn around to find this Perk-a-Cola Machine in BO3 Zombies. When things start to get tough in Black Ops 3 Zombies and all you need is some ...