Layton's Mystery Journey: Katrielle and the Millionaires' Conspiracy

Layton's Mystery Journey: Katrielle and the Millionaires' Conspiracy is a 2017 puzzle video game by Level-5. The seventh main entry in the Professor Layton series, it was released for Android, iOS, and the Nintendo 3DS, in 2017, and an enhanced port for the Nintendo Switch in Japan in 2018, and worldwide in 2019. The game centers on Katrielle "Kat" Layton, the daughter of famous archaeologist and puzzle-solver Professor Hershel Layton. With the help of her assistant Ernest Greeves, she solves cases in and around London, alongside a talking dog that, for reasons unknown, only the two of them can understand.