Professor Layton and the Last Specter

Professor Layton and the Last Specter, known in Europe as Professor Layton and the Spectre's Call, is a puzzle adventure video game produced by Level-5 for the Nintendo DS handheld game console. Last Specter is the fourth game in the Professor Layton series, and is a prequel that takes place three years before the first trilogy, detailing how Professor Layton met his apprentice, Luke Triton, as well as introducing Layton's assistant Emmy Altava. Professor Layton and the Last Specter also includes an additional role-playing game entitled Professor Layton's London Life, available from the start of the game.