Zollars is a twisted name for the word "dollars" in Zombie HQ and is a common in-game currency that can be obtained in many ways such as completing missions, killing infected, searching containers, using certain furniture or winning it at the slot machine.
A stack of Zollars
Frequency/Usage[]
Zollars is used to upgrade weapons, restock certain explosives, unlock furniture and weapons as well as gambling it to win gold or extra explosives at the slot machine. Zollars is a very frequent in-game currency and being so means that player's won't have to necessarily buy Zollars with ITunes money as it's frequency makes in-game purchases optional.