QuizClash - In QuizClash, you can challenge your friends or random opponents to a game of trivia.
globalquiz.org - Difficult, multiplayer and multi-language trivia game.
Trivia Crack - Produced by Etermax, Trivia Crack lets players answer trivia questions and compete against other people on mobile devices.
HugeQuiz - test your knowledge with a variety of quizzes about everything.
QuizUp - QuizUp gives you the opportunity to test your trivia skills against friends and strangers throughout the world.
AlltheTests - AlltheTests is an online platform for testing intelligence and command over current affairs, including Cartoons, Mangas, Books, Games, Satire, Knowledge, EQ tests, Social media, Sports, and celebrities’ related tests.