Roman Civil War is a two player wargame covering the battles between Pompey and Julius Caesar. The game is strategic in scale, with units representing legions, fleets and allied units on both sides. The mapsheet, overlaid with a hexagonal grid, covers the important areas of the Roman empire, including Italy, Greece, Asia and Egypt. Off-board areas represent surrounding areas such as Spain, Gaul and Syria.

Game components consist of a mapsheet, counters, rules and game charts.