I made a nice little thing, called it doggo and let it run. It didn't do amazing, in generation 5 it has a fitness of 20.28%. But then in generation 6 the fitness dropped to 19.43%. In the options I have selected to keep the best creatures for the next generation. As the input stays the same it should do at least as good as the generation before or improve in performence, right?
Am I missing something here?