Brain Food Weekly trivia, humor and a monthly competition http://brainfood.netfirms.com/
BrainEmail Includes Jokes, Trivia, Humor, Word-A-Day, History, and Etymology. http://www.brainemail.com
The Cluttered Attic Publishes Trivia of the Day: A daily newsletter with a new piece of Trivia each day. New trivia will appear on the web page about a week after they have been in the newsletter. http://twotrees.www.50megs.com/attic/index.html
Duplicity An email-based trivia game where points are given for answers that match those of other players, irrespective of correctness. http://www.stormloader.com/kevan/duplicity
e-Knowledge Quiz Several general knowledge quizzes with a Smart Chart system to keep track of your points to compare with the world. http://www.angelfire.com/emo/challengeyourbrain/home.html
The Ezine Writer emagazine Offers jokes, trivia, inspiration, word definitions, and Cool Sites. http://www.geocities.com/ezinewriterowner/Index.html
Just Riddles and More Riddles, trivia, illusions, puzzles, and brain teasers. http://www.justriddlesandmore.com
Name That Movie Movie trivia questions sent in your email every week. http://www.namethatmovie.net
Trivia of the Day Game Homepage A play by email daily trivia game. Played Monday thru Friday with a question each morning and the previous day's answer. Winners are ranked at the end of the month. http://www.angelfire.com/stars2/quizz2000/