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