The Battle for the Bosporus Add-on for Hearts of Iron IV has 20 achievements.
As Finland, defeat the Soviet Union without joining a faction.
As Greece or Bulgaria, own both sides of the Bosporus. As Turkey, subjugate both Greece & Bulgaria.
As Greece, capture Istanbul and rename it to Constantinople.
As Peter II of Yugoslavia, overthrow your uncle and become King.
As Greece, fulfill the Megali Idea and then form Greater Greece.
Restore the Ottoman Sultanate.
As Kurdistan, hold all of your cores.
Win the Greek Civil War before 1937.
Unite Arabia with thirty camelry divisions.
As Turkey, be in a faction with Germany and Austria-Hungary.
As Yugoslavia, establish the autonomous region of Transylvania and have it own all Romanian cores.
As Bulgaria capitulate Turkey while also controlling the rest of the Balkans, including Greece.
As Communist Bulgaria, form the United Balkan Federation and own all Balkan states as cores.
Restore Byzantium and have Italy, Romania, and Russia as subjects.
As Romania, change sides in the war and capitulate a former ally.
As Greece, liberate Albania while being at war with Italy.
As Yugoslavia or Bulgaria, be at war while both countries are ruled by a child.
As the Ottoman Empire, hold the capitals of France, the United Kingdom, Italy, and Japan.
As non-aligned Turkey, have zero negative state modifiers.
As Bulgaria, complete the focus The Fate of the Balkans while having 5 or more Balkan puppets.