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