Tolkien Trivia?
Our Message Board has Daily Trivia Questions that can be found under J.R.R. Tolkien > General Discussion > Trivia: Barad-dûr, as well as a few longer take-home quizzes under Middle-Earth > The History of > History of Middle Earth Brainteaser. (You will have to scroll through the latter thread to find the various quizzes and their answers.)