The Great Powers of the world are marching to war, and leading each nation's militaries into the conflagration are the greatest weapons ever devised. Powered by the newly discovered electroid, the mighty leviathans cominate the skies and all below them. These massive metal vessels drive every conflict between the major nations of the world: from the jungles of South America to the peaks of the Swiss Alps, from the waters of the pacific to the Siberian frontier, these skybound behemoths can be found around the world. 

This rulebook will teach you how to play the Leviathans: The Great War tapletop miniatures game, and it includes various ways the game can be played. This book also covers the alternate history of the Leviathans world and introduces the main factions in the game.