Agatha Christie her service in September 1918. After the war, Agatha and Archie Christie settled in a flat at 5 Northwick Terrace in St. John's Wood, northwest London. Christie had long been a fan of detective novels, having enjoyed Wilkie Collins's "The Woman in White" and "The Moonstone", as well as Sir Arthur Conan Doyle's early Sherlock Holmes stories. She wrote her own detective novel, "The Mysterious Affair at Styles", featuring Hercule Poirot, a former Belgian police officer noted for his twirly large "magnificent moustaches" and egg-shaped head. Poirot had taken refuge in Britain after Germany invaded Belgium. Christie's inspiration for the
Agatha Christie: Murder on the Orient Express detective Hercule Poirot. "Murder on the Orient Express" retains the main plot elements of Agatha Christie's novel of the same name. An additional ending is presented in the game which differs from the conclusion of Christie's novel. As with "And Then There Were None", Christie's novel is bundled with the game. Some reviewers of "Murder on the Orient Express" criticized the game because of the repetitive nature of tasks the player must complete, and also complained about the inefficient and cumbersome inventory system. Others have praised it for improved graphics compared to "And Then There Were None", as well as