Here is the full list of all 14 What's under your blanket !? achievements. It takes around 0-1 hour to unlock all of the achievements on Windows.
he christmas tree nearly falled
The Santa no longer interferes
The muscled man no longer interferes
Defeat all your enemies
Policemen have not entered the room
Firemen have not entered the room
The nurse no longer interferes
Break the bed down
You failed your first battle
Succeed to make the X5
The grandfather does not disturb
Make the fire
The cat does not disturb
Parents saw what you were doing