Mystery Case Files: Return To Ravenhearst is an adventure-puzzle casual game developed by Big Fish Studios, and distributed by Big Fish Games. It is the fifth installment in the Mystery Case Files series. The game is available exclusively at Big Fish Games website. The Mystery Case Files franchise is the number one brand in casual games and has sold more than 2.5 million units to date. On June 18, 2013, A version of this game was released for the Windows Phone 8 Platform and can be downloaded from the Windows Phone Store on supported phones.