https://www.geocaching.com/geocache/GC4JGFV_seattle-you-sank-my-battleship?guid=0a24bd76-ce69-47f2-bc30-ccc38b0dbfca This was by far the most unique, and probably the most frustrating, wherigo that I have ever done. We spent a good hour or more walking around an empty grass field playing virtual battleship. From the cache description: " You must sink all battleships before your ammo runs out. To start the game, stand in the middle of the field and select the "Start Game" item. The ships will be hidden from view until you damage one. To shoot where you are standing, select the caliber shell from your inventory and click the "Fire!" button. All ships within the shell's area of effect will be damaged. To win the game, you must sink all five ships before your ammunition runs out." The location takes you to an empty field, bordered by trees, across from a very popular lake with busy walking trails. Even though this is a VERY popular area, we had the pat