Volume Four of the unofficial 3rd-party expansion to the hit party game Cards Against Humanity. Studies have proven that its the most difficult and challenging of all human endeavors. It takes experienced, trained professionals to produce the kind of high-potency, refined humor that generates sustained, clean-burning laughter without unpleasant side-effects. The result of months of dedicated research and extensive animal testing, Crabs Adjust Humidity: Volume Four is comprised of 112 cards representing the very pinnacle of tasteless, juvenile humor. This is meant to be played with Cards Against Humanity. So do that. You know, studies. You need to own Cards Against Humanity to use this expansion. Professionally printed on linen-finish, casino-quality cards. Includes: 80 white cards, 32 black cards. 100% compatible with Cards Against Humanity. Probably gluten-free. Keep out of reach of children