Who is? Brain Teaser & Riddles (MOD, Unlimited Hints) - collection of various models and algorithms that will allow you not only to develop memory, but also to train cognitive processes in this case the whole process is done in the form of a game, the form of puzzles, mastering which will not require skills and knowledge. It should be noted that each of the tasks is held within the original logic, which will allow you to get invaluable experience and knowledge. FullHide description