This compilation is made up from the content originally included in the Digital Extreme edition of Europa Universalis IV, that being Europa Universalis IV: The Stars and Crescent Pack, Europa Universalis IV: The Horsemen of the Crescent Unit Pack, Europa Universalis IV: The Conquest of Constantinople Music Pack, Europa Universalis IV: American Dream, Europa Universalis IV: The 100 Years War Unit Pack and Europa Universalis IV: The Purple Phoenix Expansion.