Four colors of cards with the 10 cards of each color. The numbers are different in each color. The rest is a simple trick making card game where the highest card wins the trick. Points for most cards of a color won. Only the toads in the tricks provide points. A trick with an own toad is more valuable. Less points are given for catching a strange toad because this is easier. The player who has reached 66 points first wins. - BoardGameGeek