Neptune Mysteries Category:Online BoardGame Games Description: New online hidden object game from Online-Girl-Games.com . You should seek differences between two pictures in the first level; you have a list of the hidden objects that should be found in the second level and your task is to find pearls in the last level. Colorful graphics in undersea theme and nice music will give you a lot od pleasure. This game is online. Tags: Developer:onlinegirlgames Instructions: Check inside the game for instructions on how to play Neptune Mysteries.