I think therefore I play! Logic, observation, memory, speed of perception and analysis: there are the qualities that define the famous Intelligence Quotient and the ones that Best of Tests DS will enable you to test, according to renown scientific protocols. It will also allow you to improve them! Through the very many tests and using all the functionalities specific to the Nintendo DS which are found in three gaming modes, Best of Tests calculates your I.Q. and adapts itself to your level in order to offer you a personalized challenge that is always renewed and updated! ESRB Rating: Everyone