The Macedon player has, of course, less units to move, very varied in the components, with the phalanxes as his mayor strenght. The Persian has almost the double of the units of his enemy, with units like chariots and elephants. There are even handicap rules for balancing the play between players of different ability levels.
Victory is based on the armies morale levels, that depends on the losses inflicted.
Movement is standard, with facing problems for the bigger units. There are four different attack tables, based on the attacker morale.