Here is the full list of all 14 Midnight Mysteries: Salem Witch Trials achievements.
Unlock Unlimited Hidden Object Mode.
Find every object in all Unlimited Hidden Object Mode scenes.
Complete the Alice's Adventure in Wonderland Easter egg scene.
Find every Silver Dollar in the Silver Dollar Hunt.
Complete Story Mode.
Complete Story Mode without using any hints.
Complete Story Mode with no Black Cat appearances.
Collect all the ravens in Story Mode.
Solve all the puzzles in Story Mode.
Complete the Wonderful Wizard of Oz Easter egg scene.
Collect every clover in Story Mode.
Complete each hidden object scene in Story Mode without using the lantern.
?
Complete a Hidden Object scene in less than a minute.