The Secret of the Nautilus The Secret of the Nautilus The Secret of the Nautilus (known as The Mystery of the Nautilus in the US) is a 2002 adventure video game, inspired by Jules Verne's science fiction novel "Twenty Thousand Leagues Under the Sea". It was developed by Cryo Interactive and released for Microsoft Windows based PCs. The characters in "The Secret of the Nautilus" are based on original 19th century engravings as published in Jules Verne's novel Twenty Thousand Leagues Under the Sea, despite the game taking place in the 21st century. These characters include Némo, and a giant octopus. The game is similar
French submarine Plongeur would have improved stability as later demonstrated by the "Gymnote" and "Gustave Zédé" submarines. A model of "Plongeur" was displayed at the 1867 Exposition Universelle, where it was studied by Jules Verne, who used it as an inspiration and 3 years later published his novel "Twenty Thousand Leagues Under the Sea". After various experiments, the French Navy struck the ship on 2 February 1872. The submarine was reactivated as an automotive water tanker, equipped with a compound 2-cylinder steam engine of 90 kW (120 hp), on 1 January 1873. She was assigned to the harbour of Rochefort. She was equipped