The Adventure Company today announced it will publish ECHO: Secrets of the Lost Cavern, an 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.