No missable achievements (plus 14 unknown)
Sign in with Steam or Xbox to track your progress, and:
?
Complete Story Mode.
Solve all the puzzles in Story Mode.
Complete Story Mode with no Black Cat appearances.
Unlock Unlimited Hidden Object Mode.
Complete the Wonderful Wizard of Oz Easter egg scene.
Find every Silver Dollar in the Silver Dollar Hunt.
Complete the Alice's Adventure in Wonderland Easter egg scene.
Complete Story Mode without using any hints.
Complete each hidden object scene in Story Mode without using the lantern.
Find every object in all Unlimited Hidden Object Mode scenes.
Collect all the ravens in Story Mode.
Complete a Hidden Object scene in less than a minute.
Collect every clover in Story Mode.