"The Adventures of Sherlock Holmes series is a series of adventure games, developed by the independent game development studio Frogwares, based on Arthur Conan Doyle's famous work The Adventures of Sherlock Holmes, featuring the famous detective and his companion Dr. John H. Watson. To date, five games of the series have been released since 2002. While the series is based on and "inspired by" The Adventures of Sherlock Holmes, each of its games follows an original storyline."

Source: Wikipedia, "Adventures_of_Sherlock_Holmes_series", available under the CC-BY-SA License.