Open data

Sources & licenses

Our trivia questions are powered by QuizBase, an open-data engine drawing on permissively licensed datasets (Creative Commons, MIT). Every question is source-attributed inside the app. The full list of datasets behind the engine is below — the authoritative, always-current version lives on the QuizBase data page.

• Open Trivia Database (PixelTail Games) CC BY-SA 4.0
• OpenTriviaQA (uberspot) CC BY-SA 4.0
• AI2 Reasoning Challenge (ARC) — Allen Institute for AI CC BY-SA 4.0
• KQA Pro (Cao et al. 2022) CC BY-SA 4.0
• Natural Questions Open (Google Research) CC BY-SA 3.0
• MKQA — Multilingual Knowledge Questions & Answers (Apple ML Research) CC BY-SA 3.0
• EntityQuestions (Princeton NLP) MIT
• Mintaka (Amazon Science) CC BY 4.0
• CREAK (Onoe et al. 2021) MIT
• QASC (Allen Institute for AI) CC BY 4.0
• WebQuestions (Stanford NLP) CC BY 4.0

Share-alike (CC BY-SA)

Some datasets are licensed under Creative Commons BY-SA, which requires that adaptations be shared under the same terms. QuizBase publishes its BY-SA-derived dumps here: github.com/maciejdzierzek/quizbase-dumps-byasa.

Datasets are credited to their respective authors; inclusion here does not imply their endorsement. Licenses link to their canonical text. Questions are calibrated and quality-filtered by QuizBase.