Here is the full list of all 13 Lost Grimoires: Stolen Kingdom achievements worth 1,000 gamerscore.
Finish 4 Mini-Games in a row without skipping.
Finish all Mini-Games without skipping.
Finish any Mini-Game in less than 1 minute.
Find 3 hidden-objects within 3 seconds.
Finish 6 Hidden Object Puzzles in a row without using hints.
Finish all Hidden Object Puzzles without using hints.
Finish any Hidden Object Puzzle with less than 4 mistakes.
Finish any Hidden Object Puzzle in less than 1 minute.
Find one Kestrel symbol.
Find half of the Kestrel symbols.
Find all Kestrel symbols.
Complete the game.
Complete the game on expert difficulty