Sherlock Holmes and the Mystery of Osborne House places a heavy emphasis on puzzles, which the player solves using the stylus and touch screen.
These largely take the form of minigames which include jigsaw puzzles, codes to decipher and paintings to examine.
When Queen Victoria's genealogical records are stolen, the royal family decides to put Sherlock Holmes in charge of the case and asks him to solve the strange mystery.
Followed by Doctor Watson, Holmes use his senses of logic and observation through dozens of riddles, puzzles and brain teasers of all sorts.
[1] Adventure Gamers rated the game 2.5 stars out 5, heavily criticizing the short length of gameplay with uninspiring puzzles, an uninteresting plot, repetitive music and lack of hints.