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
All or none All or none All or none (AON) is a finance term used in investment banking or securities transactions that refers to "an order to buy or sell a stock that must be executed in its entirety, or not executed at all". Partial execution is not acceptable; the order will execute "only if there are enough shares available in a single transaction to cover it". An all-or-none clause in an underwriting contract or investment prospectus gives a securities issuer the right to cancel an issue in its entirety if the underwriting is not fully subscribed. AON orders are similar to fill