Here is the full list of all 25 CURSE achievements.
Touched the hallway mirror.
Beat the game on Easy.
Beat the game on Normal.
Beat the game on Hard.
Beat the game on Nightmare
Do not get killed by a ghost on Easy difficulty.
Do not get caught by a ghost on the Normal difficulty.
Do not get caught by a ghost on the Hard difficulty.
Do not get caught by a ghost on the Nightmare difficulty.
'Read' all of the notes in the game.
Say 'Bloody Mary' 3 times.
Investigated the third library bookshelf.
Look out the hallway window.
Banished Mary Chaucer.
Looked in the toy chest.
'Read' Edgar Atherton's portrait.
'Read' Eve Atherton's portrait.
Answered the Cellar phone.
Read’ the metal table.
Defeated Edgar Atherton.
Read the Ledger.
Discovered the second ending.
Saw Tasha’s ghost in the Kitchen.
‘Read’ the Aeternam Dagger.
'Read' the Book of Dominion