Browser Based

InteracTrivia - Multiplayer environment with leaders and support forums.
http://www.interactrivia.com/Default.aspx

Zealot Trivia - Sci-fi and fantasy multiplayer game. Includes teams, chat, message boards, and top scores list.
http://www.zealot-trivia.net/

Quiz Ninja - Free quizzes on several topics. Registered users can participate in quiz leagues, join teams and add their own quizzes.
http://www.quizninja.com

Trivia Cafe - Features a daily and weekly set of general knowledge trivia questions. Offers question sets for sale, and information on team trivia events.
http://www.triviacafe.com/

Take A Quiz - Collection of interactive trivia quizzes covering a variety of topics. Also offers general knowledge, science, and geography quizzes for kids, organized by age level.
http://takeaquiz.com/

Trivia For Cool People - Offers trivia, messagebords, and chatrooms.
http://cooltrivia.netfirms.com/

123Facts - Offers individual and team challenges, with member submissions, forums, and FAQ.
http://www.123facts.com

KnowledgeScore - General knowledge quiz game on topics like geography, history and sports.
http://www.knowledgescore.com/

Ask Me Another - Answer yes or no to a series of personal questions and opinions on the trivia of everyday life. Answers may be compared to other players.
http://www.askmeanother.com/

Anne's Quizzes - Set of educational trivia quizzes on a variety of specialty subjects. Includes automatic scoring, and references.
http://www.cooperis.com/quizzes/

Qeez - Quiz community offering categorized trivia quizzes, member created questions, high score list, and forum.
http://www.mauveweb.co.uk/qeez/

2-Minute Trivia Challenge - Testing knowledge on a variety of trivia topics.
http://www.thirdage.com/living/games/trivia/index.html

Quick Quiz - Single word interactive quiz games on a variety of themed topics. Also offers a collection of twenty question general knowledge text quizzes.
http://www.lholmes.fsnet.co.uk/qqchoice.htm

CorumSpot Trivia - Trivia in the categories of hockey, baseball, general sports, and general knowledge. High scores are kept on a high score board.
http://corumspot.com/trivia

Karnataka Quiz Association - India quiz society site offering general knowledge trivia quizzes and information about the organization.
http://members.tripod.com/~asimha/

Canadaquiz.com - Trivia quizzes to test your knowledge of Canada, sports, entertainment, and the world. Also offers the ability to create your own free quiz on the site for others to take.
http://www.canadaquiz.com/

ActionQuiz - Trivia quiz show game played against computer opponents. Categories include pop music, movies, geography, science, computer, literature, and classical music.
http://www.actionquiz.com/

The Ultimate Trivia Quiz - Offers a variety of different quiz categories.
http://www.quiz.co.uk/

Useful Trivia - A collection of fun trivia quizzes, categorized by subject.
http://www.usefultrivia.com/

Top Noggin - Trivia for journalers including random facts and community news.
http://www.lightfantastic.org/topnoggin/

Trivia Spot - Daily 20-question trivia games in a selection of categories. Includes daily leaderboards, message board, and function to create a custom quiz.
http://www.triviaspot.com/

QuizMela - Collection of trivia questions on topics that include language, cricket, movies, mythology, comics, science, sports, history, and India. Players may contribute questions in a choice of categories.
http://www.quizmela.com/

QuizU - Free quizzes for fun on a wide range of topics, also available on WAP enabled mobile phones.
http://www.quizu.co.uk

Irishness Quiz - Try the quiz from and about Ireland. Just how Irish are you?
http://www.ireland-information.com/quiz1.htm

Truth is False - Interactive trivia quiz uncovering the truth behind common historical facts and myths. Includes answers with reference links.
http://www.truthisfalse.com/

Holiday Quiz - Interactive trivia games about various holidays throughout the year.
http://www.holidayquiz.com

Cool Quiz Trivia Network - Test trivia knowledge with free quizzes, silly surveys, trivia questions, movie quotes, and forums for entertainment and educational purposes.
http://www.coolquiz.com/

Egghead Trivia - Challenging trivia quiz games on an assortment of topics including general knowledge, music, books, and quotes. Includes a selection of trivia links.
http://www.geocities.com/eggheadtrivia/

Quizie - Take a quiz or create your own.
http://www.quizie.com/

Trivia Addicts - Interactive trivia quizzes in which players submit full text answers. Offers a large database of general knowledge questions, plus a few specialist categories. Play via the Web, WAP, IRC, or handheld device.
http://www.triviaaddicts.com/

MindZone2000 - Collection of brainteaser quiz questions, personality tests, and a random riddle generator.
http://mindzone2000.tripod.com/

Cornerstone Trivia - Interactive twelve question quiz on a new topic each week. Answer a tough weekly bonus question for a position in the Trivia Hall of Fame.
http://www.triviahalloffame.com/

Triv.net - Categorized collection of interactive Java trivia games played in the style of "Who Wants to Be a Millionaire". Players may also download a quiz or submit a quiz to be added to the site.
http://www.triv.net/

Quizland - Collection of online trivia quizzes in a wide variety of categories. Includes a daily word search, crossword puzzle, and daily quizshow games.
http://www.quizland.com/index.mv

Naoworld.com Trivia - Weekly thirty question general knowledge trivia quiz and answers.
http://www.naoworld.com/wsnABD1.html

All Trivia Game - Interactive quiz site similar to the game show "Who wants to be a millionaire?" Questions include movie, sports and music trivia.
http://www.alltrivia.net/

Cascoly Online Trivia Games - Set of quizzes covering topics that include art, geography, history, Shakespeare, dinosaurs, and travel.
http://cascoly.com/games/triv/trivmain.htm

Geography Quizzes - Interactive quizzes on flags, capitals, maps, and world currency. Offered at four levels of difficulty and played for high score.
http://www.netresort.co.uk/Quiz-land/quiz.html

World's Brainiest - General knowledge Quiz with open-questions (non-multiple-choice).
http://www.worldsbrainiest.co.uk/

Triviaplaza.com - Collection of interactive trivia quizzes covering geography, movies, and pop music.
http://www.triviaplaza.com/

Take 5 - Five question entertainment quizzes offered in a large selection of unique categories and themes. Includes rules for single or two player games.
http://members.aol.com/Adluvseh/take5intro.html

Cameron's Trivia Facts - Offers a new trivia question each day, plus answers posted the following week. Includes a weekly trivia newsletter and user submitted trivia facts.
http://www.freewebs.com/triviafacts/

First Lines - Collection of trivia quizzes in which a classic book is to be identified based on its opening sentence.
http://www.people.cornell.edu/pages/jad22/

GeoSense - A one or two player geography based game. Compete against another online opponent to place a city on a world map as quickly and accurately as you can.
http://geosense.net/

QuizDom - Categorized collection of interactive trivia quizzes covering a range of subjects including arts, animals, entertainment, geography, history, science, words, and people.
http://www.queendom.com/mindgames/quizdom/index.html

The World Quiz - A series of quizzes with multiple difficulties on three topics.
http://kstudio.net/quiz/

Conquestion Trivia Game - Answer trivia questions correctly to complete a conquest. Capture questions by adding a new question to the conquest. Offers ten trivia topics to play, player level and ranking statistics.
http://www.conquestion.com/questions/conquest/displayConquest.do

Quiz Camel - Offers users the ability to build their own quizzes to share with friends. Also offers contests to win prizes.
http://www.quizcamel.com

Picture Quiz - Featuring rare and unusual photographs, plus answers.
http://www.delsonroche.faithweb.com/

ChatGames - Offers daily and weekly trivia quizzes and puzzles played for points. Includes live multiplayer quiz games each day, plus player rankings.
http://www.chatgames.com/

QuizChest - A completely free quiz website with a choice of subjects.
http://www.quizchest.co.uk

QuizMatic - Interactive general knowledge trivia game played for high score and a place in the Hall of Fame.
http://www.quizmatic.com/

Tizy Quiz - Multiple choice trivia game offering questions on a variety of topics and monthly scoring. Play for high points and a place on the leaderboard. Also has a military aircraft ID game. Requires free membership e-mail registration.
http://www.tizy.com/

Trivia Wars - Test your knowledge in a number of categories against thousands of other players.
http://www.triviawars.com/

MyStudiyo.com - A website where users can create interactive quiz games for free, most of the features are based on the Flash-Plugin.
http://www.mystudiyo.com

Web Trivia - Answer ten tough trivia questions a day to compete with other players for top score of the month. Add a trivia question to the database for extra turns.
http://aaagames.com/trivia.htm

Montys Cartoon Buddy Club - Featuring history, trivia facts, chronology, pictures, and stories mixed with a blend of humour and fun. Offers a selection of quiz games and downloads.
http://www.cartoonbuddy.com/

Braingle's Trivia and Quizzes - Take fun and interesting quizzes on a wide range of topics. Create your own quizzes for other people to test their knowledge.
http://www.braingle.com/trivia/

SmartTrivia! - Try to correctly answer twenty-five multiple-choice questions in a row in this Flash-based trivia game. Offers three skill levels, top score lists, and user submitted questions.
http://smarttrivia.com/

TriviGo - A collection of games.
http://www.trivigo.com/wordgames.htm

OpenTrivia - Online trivia games in a selection of categories including movies, literature, history, sports, science, and music. Players type in full text answers and may submit questions to the database.
http://www.opentrivia.com/

FindTrivia - Categorized directory of trivia sites and quizzes on the Web. Includes links to research sources and references.
http://www.findtrivia.com/

Trivia Quizzes - Test your knowledge with these educational trivia quizzes.
http://reference.aol.com/quizzes