Cortex Challenge 3 is a simple game that will test your skills of observation, quick thinking, and coordination. The game is made up of eight fast-paced challenges that keep you on your toes as you race to refocus your mind and solve each puzzle before your opponents. New and exciting challenges appear in this third version of Cortex Challenge with the new Scent cards! Stand alone, follow up to original Cortex Challenge This version includes 10 Scent cards replacing the Tactile cards of other games in the Cortex Challenge series