Challenge your brain in a fun game that tests your thinking, memory and speed skills. Compete with other players in 8 different challenges which will make you use all your brain power: olfactory tests, observation, analysis, coordination and more. Put your brain to the test of a new sense. This edition of Cortex adds the olfactory challenge, where players have to identify the smell on the card. 2 to 6 players. 15 Minutes play time. Ideal for ages 8 and above.