App has many questions .Questions can be categorized .Categories are video games, board games ,math, politics, films, books, nature, history, mythology and etc. The categories were divided according to the degree of difficulty.

You can choose the quiz timer(30,45,60 or without time) for yourself. Your correct and wrong answer gets a different score for each degree of difficulty.

You can learn more about this from the instruction in the app.

After you sign up this app, you can see your rank, level, score, a number of wrong answers, a number of correct answers, and first 10 users' rank.