Here is the full list of all 64 The Campaign Series: Fall Weiss achievements.
Destroy an enemy unit.
Make an enemy unit surrender.
Make an enemy unit withdraw
Destroy 1000 strength points in any number of plays.
Destroy 10000 strength points in any number of plays.
Destroy 100000 strength points in any number of plays.
Destroy 500 enemy armored units in any number of plays.
Destroy 50 enemy units with units positioned on fortifications in any number of plays.
As Poland, hold Hel until 2nd October.
As Germany, capture Hel before 7th September.
As Germany, cut off the Polish Corridor before 5th September.
As Germany, capture the whole Tuchola Forest.
As Germany, destroy 20 Polish cavalry units before 7th September
As Germany, capture Warsaw before 20th September.
As Germany, capture Modlin before 23rd September.
As Poland, destroy at least 20 German panzer regiments before 26th September.
As Germany, capture Bialystok before 10th September.
As Poland, hold Bialystok until 20th September.
As Germany, capture Bielsko before 3rd September.
As Poland, hold Bielsko until 4th September.
As USSR, capture Brest-on-the-Bug before 19th September.
As Poland, hold Brest-on-the-Bug until 20th September.
As Germany, capture Bydgoszcz before 3rd September.
As Poland, hold Bydgoszcz until 6th September.
As Germany, capture Chelm before 15th September.
As Poland, hold Chelm until 26th September.
As Germany, capture Czestochowa before 3rd September.
As Poland, hold Czestochowa until 5th September.
As Germany, capture Gdynia before 10th September.
As Poland, hold Gdynia until 20th September.
As USSR, capture Hrodna before 20th September.
As Poland, hold Hrodna until 25th September.
As Germany, capture Inowroclaw before 5th September.
As Poland, hold Inowroclaw until 10th September.
As Germany, capture Kalisz before 3rd September.
As Poland, hold Kalisz until 5th September.
As Germany, capture Katowice before 3rd September.
As Poland, hold Katowice until 5th September.
As Germany, capture Kielce before 5rd September.
As Poland, hold Kielce until 7th September.
As Germany, capture Cracow before 4th September.
As Poland, hold Cracow until 8th September.
As Germany, capture Lublin before 15th September.
As Poland, hold Lublin until 20th September.
As Slovakia, capture Jaslo before 4th September.
As Germany, capture Lodz before 6th September.
As Poland, hold Lodz until 12th September.
As USSR, capture Lvov before 20th September.
As Poland, hold Lvov until 26th September.
As Germany, capture Mlawa before 3rd September.
As Germany, capture Plock before 6th September.
As Germany, capture Poznan before 7th September.
As Poland, hold Poznan until 12th September.
As Germany, capture Przemysl before 10th September.
As Germany, capture Radom before 5th September.
As Germany, capture Rzeszow before 6th September.
As Germany, capture Torun before 5th September.
As Poland, hold Torun until 10th September.
As Germany, capture Wloclawek before 10th September.
As Poland, hold Wloclawek until 16th September.
As USSR, capture Vilnius before 19th September.
As Poland, hold Vilnius until 22nd September.
As Soviet Union, destroy 50 Polish units in single game.
As USSR, capture Warsaw without entering war with Germany.