Credits
Questions
The quiz questions come from the Open Trivia Database (opentdb.com), a collection of user-contributed questions.
They are licensed under the Creative Commons Attribution-ShareAlike 4.0 International License (CC BY-SA 4.0).
Changes: we chose a subset, fixed the order of the four answers for each question, and corrected the spelling or wording of a small number of questions. The questions as used here, including those changes, are offered under the same CC BY-SA 4.0 licence.
The Open Trivia Database and its contributors do not endorse this game. The questions are provided as they are, with no warranty; see the licence for the disclaimer.
Everything else
The game, its rules, its characters and its artwork are original to this project and are not covered by the licence above.