From the publisher's website:
The familiar fun race to yell "UNO!" comes with wild, new choices! While playing the color and numbers matching game, you're faced with a decision: draw extra cards or take a dare! Dare cards come in 3 categories: Family, Show-Off and Daredevil, with 16 dares on each card. You may end up talking like a pirate until your next turn, or standing on one foot, or even showing your best dance moves! There is even a blank card to make up your own dares! What will you risk - drawing more cards or doing something wild? Find out when you play this new version of the classic UNO game - if you DARE! And don't forget to yell "UNO!", even if you have to do it like a pirate, matey! Comes with instructions and 112 playing cards.