Quadrigame of the Fourth Coalition October 1806 June 1807 These four games explore the major battles of 1806 07, where the French Army encountered two different opponents with different capabilities, from the leadership-challenged Prussians in Saxony to the chaotic battle conditions in winter against the Russians. Quadrigame of the Fourth Coalition October 1806 June 1807 These four games explore the major battles of 1806 07, where the French Army.