The aim of the brain teaser is to transport a lion, a donut, and a rooster from one side of a river to the other. You can only fit one sprite in the boat at a time. However, if left unattended together, The lion will eat the rooster (Lose!) The rooster will eat the donut (Lose!) The challenge is to work out the logic and get everything over to the other side of the river safely. (Win!)