Mystery Valley is a Games & Entertainment::Puzzle & Word Games software developed by Big Fish Games. After our trial and test, the software was found to be official, secure and free. Here is the official description for Mystery Valley: A rash of murders has struck, and it’s up to you as an FBI agent to find the murderer in Mystery Valley, a dark and spooky Hidden Object game! Explore an eerie mansion and find clues and the motive behind the murders. As you dive deeper in the case, you realize that you’re more connected to the murders than you ever would have imagined. you can download Mystery Valley free now.