Dark Lord comes with his army of evil to the mystical island to find the secrets of ancient magic. Fortunately, the island has a defender who owns all the forces of nature. Defend yourself and use the power of the 4 elements wisely.
Grow your own tribe from first human-primates era to a first recognized ancient civilization. Develop your primitive encampment to a flourishing place. You need to grow population, manage workers, research technologies.