The Hidden Compartment Pack is a Target-exclusive expansion for both Cards Against Humanity and Exploding Kittens.It is so named because the only way to get it was to flush it out of a hidden compartment of the big box stands. Cards Against Humanity The pack contains 14 white cards. None are blank cards. No black cards are included. Exploding Kittens Instruction for the 'Blind As A Bat' card, and 5 'Blind As A Bat' cards are included. The 'Blind As A Bat' card content is identical, the card backs are different for use with different versions of Exploding Kittens. - 3 copies of the 'Blind As A Bat' card are included for use with the Exploding Kittens Party Pack (1st and 2nd edition). They also work with foreign language editions of the original game using this cardback. - 2 copies of the 'Blind As A Bat' card are included for use with the original Exploding Kittens game (regular and NSFW). They also work with up to medium-sized games of the Party Pack's English 3rd edition. From the product packaging: "Whoa! Way to go, champ! You found our hidden pack. This pack contains new cards for both Cards Against Humanity and Exploding Kittens. The Exploding Kittens cards introduce a whole new mechanic to the game. The Cards Against Humanity cards serve absolutely no purpose."