Agatha Christie 2 billion copies, and her estate claims that her works come third in the rankings of the world's most-widely published books, behind only Shakespeare's works and the Bible. According to Index Translationum, she remains the most-translated individual author, having been translated into at least 103 languages. "And Then There Were None" is Christie's best-selling novel, with 100 million sales to date, making it the world's best-selling mystery ever, and one of the best-selling books of all time. Christie's stage play "The Mousetrap" holds the world record for longest initial run. It opened at the Ambassadors Theatre in the West End
Agatha Christie: And Then There Were None retains most of the basic plot elements of Agatha Christie's novel of the same name; the major differences are the inclusion of the playable character, Patrick Narracott, and the creation of a range of possible endings. To further the connection between the game and its source material, Christie's novel was included in the North American PC release of the game. "Agatha Christie: And Then There Were None" was followed by two more games, "" and "". Since they were based on their respective novels, their plots were unrelated to this first game. Reactions to the game were mixed, with many