Here is the full list of all 22 Queen's Quest: Tower of Darkness achievements. It takes around 4-5 hours to unlock all of the achievements on Windows.
Use the hint 40 times
Finish 23 Minigames without skipping
Gather all of the collectable items
Collect all Apples
Complete a Hidden Object Scene in less than a minute
Finish the Swap Minigame without skipping
Finish the Jumping Blocks Minigame without skipping
Finish the Theatres Minigames without skipping
Escape the Kraken
Finish 3 Hidden Object Puzzles without hint or missclick
Collect all Hooks
Defeat the Dragon
Finish the Back Alley Minigame without skipping
Collect all Swords
Complete 5 minigames without skipping them
Finish 3 Hidden Object Puzzles in less than 10 minutes
Collect all Crowns
Complete Dungeon Action Link Minigame without skipping
Complete a Hidden Object Scene without missclick
Complete a Hidden Object Scene without the hint
Complete entire tutorial
Complete a Minigame puzzle in less than a minute