Fallen London
browser-based choose-your-own-adventure game

Fallen London, originally Echo Bazaar, is a browser-based interactive narrative game developed by Failbetter Games and set in "Fallen London", an alternative Victorian London with gothic overtones. The franchise subsequently expanded to other games, including Sunless Sea, its sequel Sunless Skies and the visual novel Mask of the Rose.
The game has been running continuously since October 2009. In June 2018, the website received a major graphical update, with a page redesign as well as better scaling across devices and HTTPS integration.
Setting
Forty years ago, London, First City of the British Empire, became the fifth city stolen into the Neath—a vast cavern beneath the earth. The city's streets twisted into a labyrinth centred on the Echo Bazaar, which serves as the centre of commerce and covets stories of love. While London retains a monarch, a parliament, and a mayor, the true power lies with the Masters of the Bazaar—cloaked inhuman beings who oversee domains of trade and enact mysterious agendas. Even physical laws lose their supremacy beyond the sunlight; clocks and maps can no longer be trusted, rats and cats wag tongues as well as tails, and death is often a temporary inconvenience, although at the cost of never seeing sunlight again.
While the industry, poverty, and high-class society of Victorian London remain, its strict social mores have been disrupted by strange new factions roaming its streets. Hell maintains an embassy in the city and trades in souls, to the consternation of the church.
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Named sources, stable identifiers and responsible institutions provide the strongest route from overview to verifiable evidence. The source revision retrieved here is dated Jun 1, 2026. The linked authority identifier is Q5432255. 1 of 2 selected statements include explicit references; 0 carry qualifiers and 0 use preferred rank. The first chronological checks are 2009 and 2018.
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This entry incorporates text from “Fallen London” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.