The programers gave the environment an impressive sound. Birds, water flowing, wind. When the enemies are finished the island could be an holiday paradise. The soundtrack fits to the scenery. It is not necessary to do all tasks in a given order. You can explore and take time to discover (when you are not hungry and thirsty). It is not a typical kill-all-with-big-weapons-game, but a survival trip. There are special places to save (near water).