Their units are different, with the superior Roman technology, while the Gauls depend on their numbers. There is a third, non-playable faction, the Teutons, a nomadic people who live in tents throughout the map.
In this context, the Roman and Gaul units exhibit contrasting approaches, with the Romans utilizing advanced technology and the Gauls relying on their numerical strength. The Teutons, a mobile people living in tents, add another layer to the game's factions.