Sell Nintendo DS Games. Get Cash for Sherlock Holmes The Secret of Osbourne House. Following its success on Nintendo DS in 2009, Sherlock Holmes, the world's greatest detective, is back on Nintendo's handheld console with a new original adventure: Sherlock Holmes and the Mystery of Osborne House. In this brand new adventure, specially designed for Nintendo's handheld system, you play as the famous detective Sherlock Holmes and have to shed some light on curious events. When Queen Victoria's genealogical records are stolen, the Royal Family decides to put you in charge of the case and asks you to solve this strange mystery. Followed as always by your wise and faithful friend, Doctor Watson, and armed with your Nintendo DS Stylus you will have to use your logic and observation senses through dozens of riddles, puzzles and brain teasers of all sorts. In this great adventure, you will travel through dozens of beautifully hand-drawn places, looking for clues and new mysteries to solve. You will also meet many charismatic characters, including famous characters from the Victorian England, who will help you solve this strange case and finally discover the truth!