Cortex Challenge 3Cortex 3 is another member of the Cortex family of popular games. Cortex games practice logical thinking, memory, perception, but also the ability to solve tasks under time pressure. While Cortex 3 has special tactile cards in the first Cortexes, Do you know how to smell strawberries? You can combine Cortex perceptual educational games together to create your own Cortex. Game Cortex 3 includes: 80 task cards, 10 scent cards, 6 brain puzzles and rules.