Credits & Licenses
Last updated: 26 September 2026
Cordonfall is © 2026 Cordonfall. All rights reserved: its code, design, art, music, sounds, text, name and logo. It stands on the work of many others, credited here under the terms they share it on.
Made by
Cordonfall is an nxyz game: designed and built by nxyz, an independent studio in Istanbul that makes software, games and digital experiments.
Map data
Every city in Cordonfall is built from OpenStreetMap: map data © OpenStreetMap contributors, available under the Open Database License (ODbL). Thank you to everyone who maps the world’s streets.
- Overpass API
- serves the map data, from the public instances at overpass-api.de, maps.mail.ru and overpass.private.coffee.
- Nominatim
- OpenStreetMap’s place search, used under its usage policy.
- Map tiles
- the pin-drop map’s tiles, from the OpenStreetMap Foundation’s tile servers, under their usage policy.
Software
- Leaflet
- the pin-drop map. © Volodymyr Agafonkin and contributors, BSD 2-Clause License, loaded from unpkg.
- TypeScript and Vite
- the languages and tools the game is written and built with (Apache 2.0 and MIT licences).
- The web platform
- the game draws with the HTML Canvas and plays sound with the Web Audio API, and uses your system’s own fonts.
Sound and music
- Sound effects
- recordings licensed from sound libraries, including AudioHero (Sound Ideas), and sounds synthesized in your browser.
- Music
- the Main Theme, original music made for Cordonfall.
Services
- Vercel
- hosting and server functions.
- Neon
- the database.
- Rybbit
- privacy-friendly, cookieless visit analytics.
- IndieDB
- the “Cordonfall on IndieDB” button, © IndieDB.
- itch.io
- the “Cordonfall on itch.io” widget, © itch.io.
Trademarks
Cordonfall and its logo are ours. Other names mentioned here are the property of their owners, and their mention implies no endorsement.
Missing something?
If we have used your work and left you out, or credited it wrongly, please write to info@nxyz.art and we will put it right.