Here is the full list of all 16 Silver Chains achievements.
Never get caught by the Mother.
Find the children's height mark.
Destroy the demon.
Give the Mother a photograph.
Die by the hands of the Mother.
Collect all the aconites.
Collect all the amulets.
Kill the dolls in a vision
Collect all the pages of the diary.
Take a brooch.
Out of the labyrinth less than 60 seconds.
Collect all the keys.
Take Georgie's leg.
Collect photos
Play the piano.
At the first meeting with Timmy.