click the flag to start if nobody makes it on any given round, just start it again -the larger something is the faster it moves -only 5 can make it to the tree before it runs out of food, all others after it will die -the 5 that make it have a 100% chance of moving on and a 50% chance of having a child -anyone who doesn't make it has 0% chance of survival -over time the population evolves to become faster