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.
Taste of Tuscany wine
Someone is freshen
Unlock Chapter 12d
Unlock Chapter 6a
Unlock Final chapter
A secret place under the massive wall
They used to work in the garden
Finally, a place to rest
Unlock Chapter 12a
You know the truth
He still has a name
They try to hold the pieces together
Life thrives there
Unlock Chapter 6b
Unlock Chapter 5
Unlock Chapter 12c
Unlock Chapter 12b
Find all the drawings
Find the first part of Renée's diary
Find all of Renée's diary entries