The Polish campaign: Experience the most exciting events of Polish history in the 17th century. From the Battle of Genki Klushino to Great Savings in Vienna, the powerful winged hussar leads to Europe's greatest victory and victory. New special missions: 5 new exciting missions will take you all over Europe and allow you to assume the general role in important historical military events of the Old World of the 17th and 18th centuries. Additional countries: Play like a powerful Danish or fast Dutch, each with its own unique new buildings, units and music themes. Brand new original units: 5 new units, including original new units unique to Cossacks 3 for new countries and Poland, will set their feet on the battlefields of 17th-century Europe. To activate the Days of Brilliance DLC, you must have Cossacks 3 You need to have it already in play.