An Army isn't just the soldiers that make it up, but also the Tactics that they employ

Building an Army in World War Zoo involves a handful of cards, models, and some simple mental math

Advantage & Disadvantage apply to Attacks and Skill Checks and can be leveraged to improve your odds or undermine your opponent.

A quirk in the design of many 10-sided dice ultimately led to an unusual system of calculating successes.

Because World War Zoo depicts all different kinds of animals, the SIZE of the various units is integral to gameplay.