National Parks Memory Challenge enhances the world's most popular matching game creating an adventure to remember for families who love the great outdoors. Players match over 100 colorful picture cards that showcase the beauty and historical diversity of our national treasures. National Park Specialist cards give players the opportunity to choose a park profession such as Zoologist or Historian and gain extra points for matches found within their specialties. All new directive cards create new strategy and more fun and give classic Memory game play a fresh interactive twist.