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
Sleeping Murder the newspaper notice seeking her, which reinforces the story's setting in the 1930s as the author intended in her final revisions done in 1950. Christie’s original manuscript of "Sleeping Murder" was entitled "Murder in Retrospect" after one of the chapters in the book. When the Hercule Poirot novel "Five Little Pigs" was later serialized in the US in "Collier's Weekly" from September to November 1941, the magazine’s editing board retitled it "Murder in Retrospect". This was also the title used by Christie’s American publisher Dodd Mead and Company, presumably in order to capitalize on the recent US serialization. Christie's original