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