1. Sporcle – Quizzes on every facet of trivia out there.
2. Math Run – Test your math knowledge.
3. Free Rice – Expand you vocabulary and feed the hungry.
4. Lizard Point – Learn and practice your geography.
5. Games for the Brain – Various logic puzzles.
6. Quizlet – Pick a set of flashcards, memorize, and learn.
7. Memrise – Memorize vocabulary, countries, or even Pokemon.