Part of a series of "Yotta Know..." games on different topics, Yotta Know Mammals is a game played on a six-by-six grid board on which players place cards depicting mammals to be identified. The first player to identify seven mammals wins the round. Rolling dice adds a randomizing element to gameplay, while a handicap system allows players of varying knowledge levels to play against each other. The game uses a deck of 63 mammals, all of which are found in North America. Expanded by: Yotta Know Birds Yotta Know Waterfowl