Caesar in Gallia is a two player wargame covering Julius Caesar’s conquest of Gaul. The game is strategic in scale, with units representing Roman legions, fleets, barbarian warbands and allied troops. The mapsheet, overlaid with a hexagonal grid, covers an area corresponding approximately to Britain. France, Belgium, Switzerland, Spain and parts of Africa. An off-board box is used to represent the Italian homeland.

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