Credits

Sources

• Flags: Flagcdn (flagcdn.com), small copies of the national flags.
• Coats of arms, historical flags, regional flags and photos: Wikimedia Commons. Each picture keeps its own license (for example public domain, CC BY or CC BY-SA); the lists below link to every one.
• Country outlines in the border quiz: Mapsicon by djaiss (github.com/djaiss/mapsicon), used with credit to the author, as the author asks.
• Maps, borders and silhouettes: Natural Earth and, for the US states, the US Census Bureau, both in the public domain.
• Numbers in Higher or Lower and in the weekly lists: Our World in Data (CC BY 4.0), with population from the United Nations World Population Prospects.

Pictures from Wikimedia Commons

Every name below links to the page of its picture on Wikimedia Commons, with the author and the license. The pictures in the games are resized copies.