Here is the full list of all 20 The Town of Light achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Find all the drawings
They try to hold the pieces together
Unlock Chapter 12d
Unlock Chapter 12c
Unlock Chapter 6b
Unlock Final chapter
Taste of Tuscany wine
Someone is freshen
They used to work in the garden
Unlock Chapter 12a
Unlock Chapter 12b
Finally, a place to rest
He still has a name
You know the truth
Find all of Renée's diary entries
Unlock Chapter 5
Unlock Chapter 6a
Life thrives there
A secret place under the massive wall
Find the first part of Renée's diary