De Bellis Velitum

This is a skirmish game for two small forces, each consisting of 1 to 4 sub-units, each in turn of 4 to 12 singly based 25mm figures, totalling up to 24 army points (AP) and controlled by a single player. Figures vary in cost between 6 AP and 2 AP. One figure of the most expensive mounted type or most expensive foot type present is nominated as the force's commander and one figure of each group is nominated as its leader.
– introduction

Designer: Phil Barker
Year Published: 1991
Status: In Print
Contents: Available online (webpage)
Scale: These rules are primarily intended for use with 25mm scale model figures. This is because a huge variety of such figures exists and they can be painted as individuals…

1 centimetre measured on the table is equivalent to 1 pace in real life.…

Play is in alternate bounds, each of which simulates the minimum time needed by a warrior to observe and appreciate the situation, decide if he heeds to continue a current action or to do something different, then do it, or to exchange blows with or shoot at an opponent. We assume this to be approximately 5 seconds.
Basing: Each figure is mounted singly on a rectangular base of standard size, which is 20mm wide by 40mm deep for a mounted figure, 20mm wide by 30mm deep for a foot figure and 60mm wide by 80mm deep for a chariot or elephant model. We assume that men take occupy more space when skirmishing than when formed into rigid ranks in pitched battles.