Our ECHO: Secrets of the Lost Cavern has been updated with new screenshots from this adventure game for PC developed by Kheops Studio and scheduled to ship worldwide in June. The game takes place in the prehistoric age - players, in the role of Arok, must unravel the secrets of the lost cavern, in a quest filled with puzzles and mystery. ECHO: Secrets of the Lost Cavern will feature an integrated encyclopedia filled with historically accurate data on the Paleolithic period. Press 'read more' for details and don't forget to grab the demo.