English - In Cortex Challenge, you'll need to be witty and quick to win! Turn over a card, and 1 of 8 types of puzzles will be revealed. The first player to solve it wins that card! With special tactile cards, Cortex Challenge is a unique experience. This version of Cortex is for super brains only! Tougher challenges and complex tactile cards await players who are up for the challenge. —description from the publisher