The Common Sense Add-on for Europa Universalis IV has 25 achievements.
Have 10 different War Reparations being paid to you at the same time.
Have at least 21 different subjects with 5 cities each and without any subject having 50% or more Liberty Desire. Trade Companies do not count.
Have a maximum manpower of at least 1 million.
Convert to Protestantism and unlock 3 Aspects of Faith.
Have your dynasty on 8 thrones at the same time. Client states do not count.
Have 3 Vassals and 2 Marches at the same time.
Form Prussia and have at least 125% Discipline.
Own a core province with at least 60 development.
As Bohemia, own Dublin as a core province.
Have the highest trade power in Genoa, Venice and English Channel while having an income of at least 300 ducats per month.
As Hungary, own all of Austria as core provinces.
As Teutonic Order or Livonian Order, own all of Russia as core provinces and convert it to Catholic.
Have 7 Free Cities in the Empire, none of which is of a Germanic culture.
Have 3 colonial governors that were directly appointed by you at the same time.
Successfully pass 11 issues in a row in Parliament.
As Great Britain, own all of England as core provinces and have at least 25 development in each province there.
Subsidize 3 different allies at least 50% of their monthly income without running a deficit.
As Ayutthaya, own all of Indochina and Burma as core provinces.
As Kotte or Kandy, own all of India and convert it to Theravada Buddhism.
As France, own Vienna, Berlin and Moscow as core provinces.
As France, hold 100 European core provinces before 1500.
Form a Federation of at least six nations as the Iroquois.
As Trebizond, have the Empire government rank.
As Lucca, own Lucknow!
As Saxony, own or have a subject own all Chinaware provinces in the world.