Storm Over Sekigahara Tweet Description This is a Japanese area movement wargame on the battle of Sekigahara using the Storm over Arnhem system. 192 counters Total of 10 turns. Published in Game Journal #17. Details Ages: 11 and up Category: Medieval, Wargame Designer: Ichirou Kanamaru Family: "Storm Over" area impulse series Mechanics: Area Movement Publisher: Simulations Journal / Game Journal Magazine Time: 180 minutes Year: 2005