L'aventure Layton : Katrielle et la conspiration des millionnaires sur 3DS est un jeu d'aventure réflexion dans le joueur incarne non plus le professeur Layton mais bel et bien sa fille. Le jeu reprend une formule similaire à celle des précédents épisodes, en mêlant habilement aventure et réflexion.
She gave my mother such a turn, that I have always been convinced I am indebted to Miss Betsey for having been born on a Friday. The word was appropriate to the moment. My mother was so much worse that Peggotty, coming in with the teaboard and candles, and seeing at a glance how ill she was, - as Miss Betsey might have done sooner if there had been light enough, - conveyed her upstairs to her own room with all speed; and immediately dispatched Ham Peggotty, her nephew, who had been for some days past secreted in the house, unknown to my mother, as a special messenger in case of emergency, to fetch the nurse and doctor.
