If you love trivia apps, try the most challenging of all quiz games!

Knowledge Trainer: Trivia is the quiz game for smart people. It’s designed to stimulate your brain with over 6,000 high-quality, challenging, and informative questions.

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:

• 6000+ trivia questions = fewer repeats

• 5 difficulty levels, 10 general knowledge training categories

• American, British, Australian & international gameplay modes

• Quiz questions in 3 languages including French and German

• Review function for missed questions

• 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!