The game comes with a special 44 card deck. The cards have pictures of cartoon animals doing a variety of activities.The goal of the game is to obtain all 44 cards. The game progresses as follows. Players take turns revealing a card and making piles. When two or more cards are showing that have the same animal on them, the first player to notice and call 'snap' wins the corresponding piles. Play continues until one person has all of the cards. - BoardGameGeek