Legio VI Julia Augusta

Legio VI Julia Augusta is a set of miniatures wargames rules aimed to allow large battles of Roman Late Republican and Early Imperial periods (100 BC to AD 250) to be resolved relatively quickly. It's meant for 6mm figures but could easily be adapted to larger (or smaller!) figures.

The rules are derived from the same designer's Comitatus set of Dark Ages rules, but slimmed down to allow larger battles to be fought in less time. Troops are classed a relatively small number of troop types with minimal differentiation based on equipment; the focus is on troop quality and, especially, generals' limited means of controlling their forces.

The rules are freely available from the designer's webpage, along with sister sets covering adjoining periods:

Legio VI Macedonia, for 400 BC to 100 BC Legio VI Constantiniani, for AD 250 to AD 600 Legio VI Diadochi, for Alexander and the Successors