Hindenburg’s War: Decision in the Trenches, 1918 (HW) is a strategic-level, two-player wargame of low complexity that covers the fighting on World War I’s western front during that final year of the war, from the start of the first German offensive on 21 March through Armistice Day on 11 November. Hindenburg’s War: Decision in the Trenches, 1918 (HW) is a strategic-level, two-player wargame of low complexity that covers the fighting on World War.