Ah Sherlock Holmes... The first original Sherlock Holmes game to be released on the Nintendo DS. That is it's called a game, but it's really more of an interactive novel, where you read through a lot of dialogue and solve a bunch of puzzles, still it's way better than say Agatha Christie's: The ABC Murders... Anyhow this is a longplay, so it is non commentary, if you wonder why I do the things i do to solve the puzzles there is an in-game hint system of such. You can get partial help (you lose 50 points) or full help (you lose 75 points), it basically explains what you need to do to solve the puzzle...
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