Ironclad has released three main expansions, which are available on Ironclad's website and Stardock's digital distribution service, Impulse.
Ottoman Empire | Order of the British Empire | Russian Empire | Roman Empire | British Empire | Holy Roman Empire | German Empire | Byzantine Empire | Mughal Empire | Austrian Empire | First French Empire | Empire of Japan | Empire State Building | Vijayanagara Empire | Solar System | Spanish Empire | Boardwalk Empire | Empire | Mongol Empire | Second French Empire | Order of the Indian Empire | Portuguese Empire | Achaemenid Empire | Parthian Empire | Maratha Empire | Western Roman Empire | Seleucid Empire | The Empire Strikes Back | solar | Hackney Empire |