Here is the full list of all 40 ToriDori achievements.
You found all the differences.
Complete the game.
Done!
You found 300 differences.
Complete the first diorama of four pieces.
You found 200 differences.
You found 100 differences.
Make more than 100 wrong clicks.
Complete the first diorama of two pieces.
Click past differences 10 times.
You found 50 differences.
Pet the cat in the captain's cabin.
You have used 10 clue
Take a walk around captain's cabin.
You have used 5 clue
Go through one location without hints.
You found 10 differences.
Take the training.
Complete the first diorama of one piece.
You have used 1 clue
Find one difference.