In fact, there are so many new things to do that one player could never hope to master them all alone. This does not simply remove advanced technology from ARK, but instead replaces it with a multitude of new resources, engrams and systems. About This Content Primitive Plus is a free add-on for ARK: Survival Evolved that alters the available tools, weapons and structures in the game to reflect what humans could realistically create using primitive technology and resources.