Here is the full list of all 25 CURSE achievements.
'Read' the Book of Dominion
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.
Beat the game on Normal.
Beat the game on Hard.
Beat the game on Nightmare
Saw Tasha’s ghost in the Kitchen.
Discovered the second ending.
Read the Ledger.
Beat the game on Easy.
Defeated Edgar Atherton.
'Read' all of the notes in the game.
Read’ the metal table.
Answered the Cellar phone.
‘Read’ the Aeternam Dagger.
'Read' Eve Atherton's portrait.
'Read' Edgar Atherton's portrait.
Looked in the toy chest.
Banished Mary Chaucer.
Say 'Bloody Mary' 3 times.
Look out the hallway window.
Investigated the third library bookshelf.
Touched the hallway mirror.