Games Like Darkest Hour: A Hearts of Iron Game

Company of Heroes: Opposing Fronts

Hearts of Iron III

Imperial Glory

Order of Battle: World War II

Battle of Empires : 1914-1918

Hearts of Iron IV

Power & Revolution

Call of War: World War 2

Unity of Command II

Iron Harvest

Supremacy 1914: World War 1

Through the Darkest of Times

Diplomacy is Not an Option

Ages of Conflict: World War Simulator

Age of History 3