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