13. Hungry Hungry Hippos
Hungry Hungry Hippos is a game that was published in 1967 and was made for young children. The object of the game is a race to make the hippo eat as many white marbles on the playing field as possible by pressing on their tail repeatedly. This will make the hippo reach its head out, trapping one or more marbles in its mouth to be pulled back into the players gutter. The person with the most marbles win!