Credits & data sources
PlayKidsQuiz is built on wonderful open data. Thank you to the projects below — each is credited here with its license, as their terms require. Questions and facts are curated and re-written to be accurate and age-appropriate.
Open data we use
- REST CountriesOpen data
Country names, capitals, regions and borders (geography games).
- Natural Earth (via world-atlas)Public domain
World map shapes for the globe and the from-above views.
- Open Trivia DatabaseCC BY-SA 4.0
Question seeds for Daily Brain Pop & Mystery Subject (curated for age).
- Periodic-Table-JSON (Bowserinator)CC BY-SA 3.0
Element data for Elementle & Symbol Match.
- GBIFCurated subset; see GBIF terms
Animal taxonomy & names for Critter Clue and Baby Animal Guess.
- NASAPublic domain (US gov)
Solar-system data for Planet Detective.
- flagcdn.comFree flag imagery
Country flags across the geography games.
- Google Fonts — Baloo 2 & NunitoSIL Open Font License
The site's display and body typefaces.
“CC BY-SA” sources are used under the Creative Commons Attribution-ShareAlike license — attribution above, and our adaptations carry the same spirit. If you spot an attribution we've missed, please let us know.