A free program for Android, by MAG Interactive.

What’s your IQ? Who do you think is the greatest mind in the world? Do you think you’re a genius? Are you an expert in the field of knowledge? Do you have a lot of educational background? Well, if you are any of the above, you should definitely try out QuizDuel. It’s one of the world’s largest brain games, where you can challenge your mind with a variety of trivia questions. So get your thinking caps on, start answering quiz questions, and challenge yourself to beat the best players around the world.

There are several modes, such as solo – where you will be playing by yourself against the AI. You will have to answer all of the questions by yourself. Other modes include Arena, Events, Classic, and more.