Knowledge Trainer: Trivia is the quiz game for smart people. Itâs designed to stimulate your brain with over 6,000 high-quality, challenging, and informative questions.2020 marks the 10th anniversary of this sophisticated trivia app. Since 2010, this free game has helped more than 7 million players to improve their general knowledge. Our worldwide team is continuously improving and updating the app. Each trivia lesson tests your wits with 10 questions from 10 different categories. The difficulty level depends on you: get an answer right, you'll move up a level. A wrong answer leads to an easier question. But you'll want to move up to improve your Knowledge Quotient, recalculated after every round.More app features:â¢ 6000+ trivia questions = fewer repeatsâ¢ 5 difficulty levels, 10 general knowledge training categoriesâ¢ American, British, Australian & international gameplay modesâ¢ Quiz questions in 3 languages including French and German â¢ Review function for missed questionsâ¢ Save game progress for 1-3 players Our promise: the smartest, most interesting of all trivia games in the Play Store. But don't take our word for it: check out our user reviews!