A General Knowledge Quiz (by email): Compete against friends/colleagues, against the world, or just for fun and prizes.
A Trivia Break: A dozen trivia questions every Wednesday
American Trivia Federation: Competitive league, with comprehensive descriptions of Trivial Pursuit editions.
Brain Food: Weekly trivia, humor and a monthly competition
BrainEmail: Includes Jokes, Trivia, Humor, Word-A-Day, History, and Etymology.
CB's Tuesday Riddle: Riddles, trivia, and humor articles.
Classic Science Fiction Trivia: Trivia and lots more about science fiction
Dark Neon Flashback: Back To The Eighties: Exclusive original interviews with the pop stars of the 80s, plus fact files, trivia and links on site and via newsletter.
Duplicity: An email-based trivia game where points are given for answers that match those of other players, irrespective of correctness.
e-Knowledge Quiz: Several general knowledge quizzes with a Smart Chart system to keep track of your points to compare with the world.
Just Riddles and More: Riddles, trivia, illusions, puzzles, and brain teasers.
Name That Movie: Movie trivia questions sent in your email every week.
Naoworld.com Trivia Advanced: Interesting and informative trivia questions e-mailed to you every week.
Ron and Marie's Disney Trivia: Information on Disney Animation plus free Daily Disney Email List.
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.
The Ezine Writer emagazine: Offers jokes, trivia, inspiration, word definitions, and Cool Sites.
The QuizQueen: Two themed trivia quizzes delivered every Sunday
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.
Trivia Tidbit: Delivers one quick trivia question & answer in your emailbox every day
Trivial Net: Interactive Web site and a robot that will send a computer question each weekday morning.