JetPunkPosted: April 17, 2014
If you want to work on your typing and trivia skills at once, use JetPunk. While I am not a fan of its scoring system, it does provide a diversion and mental exercise. Clicking on Random Quiz at the top right takes some of the work out of topic selection.
After each quiz, reviewing your results relative to other quiz-takers provides some feedback about what you know (and what you do not know).
Here is the link: