Japan is currently 47 prefectures, and all are independent. You have decided that what is best for Japan is to be united all under one rule, yours. Take over all of the prefectures an unite them under your rule, as you move to take over the large prefectures. Use your mouse to take over prefectures, control units and more. Use all of your strategy to best decide what areas to attack first. Then slowly go across all of Japan and wage ultimate war until you are the only one who rules Japan. Upgrade your units in order face against the stronger of the prefectures, and completely wipe out all who stands in your way.