The second World War: Tank clashes, Naval battles, Air combat. In Call of War you rewrite the course of history! Take control of one of the mighty nations during the times of World War 2. Conquer provinces, forge alliances and build up your economy. Research top secret weapons of World War 2 and become the one true superpower! Intelligent alliances or ruthless expansion, wonder weapons or mass assault? It is up to you which way you choose!