- 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.