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