'Feast of Warring States Period' is a battle class game of "Battle of Sekigahara(Keityo5/A.D.1600)" that might be the most famous fight in the history of Japan. The game includes 1Map(4 A3 size),460 uncut counters. 20 turn all,It corresponds 1 turn : at 25 minutes. 1 hex : 150 - 200m The Feast of Warring States Period is dipicted with a different system with the current civil wars battle class game. The correction to the combat value changes by length of the fire range of the combat unit. The morale rule　plays an important role in the attack and the defense.The Command Power Movement rule reproduces the variable of the movement. "Betrayal" is an important element of Sekigahara.In this game, victory or defeat is not decided by "Betrayal" check once.In a word, the victory condition is changed depending on the number colored to the ally and the number of turns.