Exploring Gobekli Tepe if it was a PS1 game

A megalithic structure built 12,000 years ago, Gobekli Tepe is the oldest megalithic structure known to man. Adding to the mystery is that the 15 meter hill it sits upon was man-made, leading researchers to believe it was deliberately buried by the peoples who made it or those who found it after the fact. 

Explore this ancient site, search for a way into the man-made hill, and discover the secrets that lie beneath, all the while pretending it was made in 1998 by National Geographic or something.