Here is the full list of all 16 Silver Chains achievements.
Never get caught by the Mother.
Out of the labyrinth less than 60 seconds.
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.
Collect all the pages of the diary.
Kill the dolls in a vision
Take a brooch.
Collect all the keys.
Take Georgie's leg.
Collect photos
Play the piano.
At the first meeting with Timmy.