You must down load the game cartridges from here, and here. into your whereigo player. Execute "The_Crescents" cartridge to go on your tour. When you successfully complete your tour, you will receive an unlock code for this cartridge, and priming info for the other cartridge, save all information. Now launch the second cartridge, enter the priming info just received and go in search of the container with the log, Please note the difficulty, terrain, and special equipment attributes as they ARE applicable.
As always, when activities take you around open water, be mindful of muggles, children, pets, and electronics, none of them are happy when unexpectedly submerged!