Here is the full list of all 21 My Cute Fuhrer achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Fuhrer cap - 3 level
Awesome pic
Visit the moon base
Go to the forest
Go to visit
Stay overnight
Meet the Fuhrer
Beautiful uniform
Beautiful legs
Start Story Mode
Start Girls Mode
Good pic
Little Heart
You're doing fine
C
U
T
I
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Helga
You did it! You are hero!