Data credits
Country and calling-code data: mledoze/countries, Open Database License (ODbL) 1.0, https://github.com/mledoze/countries. The adapted country catalogue is available at /data/countries under the same ODbL license; the full license is supplied in the installation package.
Club and historical match facts: OpenFootball clubs, football.json and worldcup.json, dedicated to the public domain under CC0. Sources: https://github.com/openfootball/clubs, https://github.com/openfootball/football.json and https://github.com/openfootball/worldcup.json. FootyChamp generates question wording from these structured historical facts. Each question retains its source.
The catalogue contains 250 countries and territories and 2,799 club entries, including some historical clubs. It is not a claim to contain every current club. Source snapshot bundled on 3 October 2026.
Club and historical match facts: OpenFootball clubs, football.json and worldcup.json, dedicated to the public domain under CC0. Sources: https://github.com/openfootball/clubs, https://github.com/openfootball/football.json and https://github.com/openfootball/worldcup.json. FootyChamp generates question wording from these structured historical facts. Each question retains its source.
The catalogue contains 250 countries and territories and 2,799 club entries, including some historical clubs. It is not a claim to contain every current club. Source snapshot bundled on 3 October 2026.
Version 1 · Updated 3 Oct 2026