Here is the full list of all 15 SEASON OF MYSTERY: The Cherry Blossom Murders achievements.
Find one thousand hidden objects.
Find 7 cats.
Find 7 Telescopes, Binoculars, or Magnifying Glasses.
Find 10 pieces of jewerly (Pendants, Necklaces, Rings, etc.)
Complete the first chapter.
Complete a scene without using any hints.
Complete one scene in under two minutes.
Complete a scene without 3 failed clicks.
Find 30 flying objects (Birds, Ballons, etc.)
Complete 1 minigame.
Complete 7 different minigames without using the SOLVE button.
Solve the mystery and complete the game!
Complete the game in under 2 1/2 hours.
Complete the game without ever using the SOLVE button for minigames or the HINT button during object searches.
During the card game at Kenzo's house, or the shell game at the Geisha house, make a match with a previously uncovered item.