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
Finish 3 Hidden Object Puzzles without hint or missclick
Finish the Swap Minigame without skipping
Finish the Jumping Blocks Minigame without skipping
Finish the Theatres Minigames without skipping
Escape the Kraken
Collect all Hooks
Defeat the Dragon
Finish the Back Alley Minigame without skipping
Collect all Swords
Complete a Hidden Object Scene without missclick
Complete 5 minigames without skipping them
Collect all Crowns
Finish 3 Hidden Object Puzzles in less than 10 minutes
Complete a Hidden Object Scene in less than a minute
Complete Dungeon Action Link Minigame without skipping
Complete a Hidden Object Scene without the hint
Complete entire tutorial
Complete a Minigame puzzle in less than a minute