Here is the full list of all 13 Faces of Illusion: The Twin Phantoms achievements.
Finish the game.
Complete the game in expert mode.
Complete all Minigames without using the Skip button.
Collect all trading cards of Beatrice.
Complete the Hidden Object Puzzle in less than a minute.
Complete all Hidden Object Puzzles without using the Hint button.
Find twenty illusions.
Plan your route to Notre Dame.
Find the mansion without stepping on the wrong path.
Enter the Parisian underworld.
Complete the Hidden Object Puzzle with no more than three mistakes.
Find four objects in four seconds in a Hidden Object Puzzle.
Complete a Minigame puzzle in less than a minute.