The No Step Back Add-on for Hearts of Iron IV has 20 achievements.
As Latvia, form Ostland and occupy Vasterbotten.
As the Soviet Union never lose 1 core territory to anyone before 1945.
As the Soviet Union, have only puppets as neighbors.
As the Soviet Union under Stalin, conquer Germany while suffering less than 1 million casualties total.
As Soviet Union declare a war on Poland and Germany before Germany attacks Poland.
As any Baltic State, conquer the entire shoreline of the Baltic Sea.
As Lithuania, hold the capitals of all of your neighbours.
Restore the Romanovs to the throne and conquer Germany, Hungary, Austria, Czechoslovakia,Turkey, and Bulgaria.
As the Soviet union, capitulate Germany after the fall of France before the allies control one German core state.
As the USSR take Rome.
As Tannu Tuva, form Siberia.
As Poland, crown a King (or Queen) and capture Jerusalem.
As Poland, have the Peasant’s Strike overthrow the government.
As Poland, be independent and ensure that both Germany and the USSR are either in your faction or don’t exist.
As Poland, install a Habsburg monarch and be in a faction with another Habsburg monarch.
Make a railroad from Gibraltar to Singapore.
As Germany, capitulate the Soviet Union without taking Stalingrad.
As fascist Italy, have max level railways in all your core states
As Estonia Secure Scandinavia.
As the Soviet Union, activate 30 propaganda campaigns before 1945.