Our worldwide team has been and is continuously improving and updating the app. Each 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: • 6000+ questions = fewer repeats • 5 difficulty levels, 10 general knowledge training categories • American, British, Australian & international gameplay modes • Review function for missed questions • Save game progress for 1-3 players Improve your general knowledge with regular training. You can review category-specific statistics as you go to see how you have progressed after each quiz round. Our promise: the smartest, most interesting trivia in the App Store. But don't take our word for it: check out the user reviews!