Here is the full list of all 13 Lost Grimoires: Stolen Kingdom achievements. It takes around 3-4 hours to unlock all of the achievements on Windows.
Finish the game.
Finish 6 Hidden Object Puzzles in a row without using hints.
Finish any Hidden Object Puzzle in less than 1 minute.
Find 3 hidden objects within 3 seconds.
Find half of the Kestrel symbols.
Finish 4 Minigames in a row without skipping.
Finish any Hidden Object Puzzle with less than 4 mistaps.
Finish any Minigame in less than 1 minute.
Find one Kestrel symbol.
Finish all Hidden Object Puzzles without using hints.
Finish all Minigames without skipping.
Play through the first hour of the game without skipping cutscenes.
Find all Kestrel symbols.