Here is the full list of all 33 White Night achievements.
Finish Chapter 6
Finish Chapter 5
Find the bucket
Finish Chapter 4
Decide to stay in the mansion
Point of view to the moon
Read all the texts about Henry
Answer the phone
Find the rope
Finish Chapter 3
Collect 200 matches
Walk for 10 km
Put out your last match yourself
Finish Chapter 2
Use 100 matches
Collect 100 matches
Use your last match
Put out 10 matches yourself
Read 10 books
Kill a ghost
The witching hour
Read one book
Finish Chapter 1
Unlock a newspaper article from the Boston Daily News
Read all the texts about Selena
Read all the texts about William
Read all the texts about Margaret
Find the letters of all the victims
Finish the game when the Moon is full
Finish the game on a full Moon day, read all the books and the articles from the Boston Daily News
Find the symbol of another era
Finish the game in one night
Unlock all newspaper articles from the Boston Daily News