You are an amnesic waking up on an island with dinosaurs it is impossible to escape the island. You can tame dinosaurs by knocking them out and feeding them meat or berries. You should start by farming wood or berries. You can craft everything you need and there are unlimited dinosaurs. You can craft saddles for big and medium size dinosaurs and ride them there are a multitude of different historically accurate dinosaur and also some that are made up.