Classic Matrigma is 35 questions in 40 minutes. Adaptive Matrigma lasts 12 minutes and questions keep on coming until the time elapses. You have up to 60 seconds to answer each question. In Classic Matrigma, the order of the questions is predetermined. In Adaptive Matrigma, the difficulty level of the next question is set according to your performance on the previous question. If you solve correctly, you will be presented with a more difficult question. If you are wrong, you will be presented with a simpler question. You are not informed whether you are right or wrong during the test.