This game simulates the battle of 1st Manassas 21st July 1861 at brigade level in a series of 30 minute game. One player represents the forces of the United States, the other Confederate forces. The map board represents an area 8 miles wide x 7 miles long. Each Hex is 300 yards in diameter. Units are represented by double-sided hexagonal counters. The simulation is at brigade level, but a number of un-brigaded units are represented as are artillery batteries.