You Need to find food, water and resourches to build a shelter, find your friends if you want to, watch out for some Animals, you can even stay with the yanderes tribes all the yanderes in the Island are all females no males. There are tribes like the Amazonian girls, Sentinelese tribe girls, Aztecs tribe girls, Maya tribe girls...they can be friendly but others not a lot of them are in conflict with each other and some are Just neutral they have huntress to defend themselves and leaders