Warrior of Rome II is a real-time strategy game similar to Populous, in which the player controls the Roman Army. The player controls a number of individual units in each map, which can be directed in various ways, such as to approach and attack a particular target, construct or demolish structures, or form or disband units.

The single-player scenario begins with Caesar receiving orders from Rome to suppress a revolt in Asia. There is also a free battle mode for one or two players that features several dozen maps to choose from. A unique feature of the game is the highly configurable menu system. The player can move, resize, rearrange, and close any of the different information windows as they see fit.