In a series of articles in the Irish military journal An t-Oglach, Costello predicted the advent of blitzkrieg warfare.
A component of blitzkrieg warfare, tactical air power, is missing from the game.
Key elements in the "blitzkrieg warfare" at the decisive Battle of Megiddo included concentration, surprise and speed; success depending on attacking only in favourable terrain, where the terrain favoured the movement of large formations around the battlefield, and tactical improvements in the British artillery and infantry attack.
"Concentration, surprise and speed were key elements in the blitzkrieg warfare planned by Allenby."
They are analogous to the revolutionary use of armor and air support with infantry in blitzkrieg warfare in early World War II, and are critical to modern military doctrine as practiced in Vietnam Iraq and Afghanistan.