Sherlock Holmes Consulting Detective is a cooperative game where the players try to solve mysterious cases by walking the streets in search of clues. Unravel the string of intrigues, answer a series of questions, and compare your detective skills to those of the master sleuth himself, Sherlock Holmes.

Return to the streets of Victorian London, and venture into some brand-new locations in the latest installment in the Sherlock Holmes Consulting Detective series: Carlton House & Queen's Park! Like previous games, Carlton House & Queen's Park introduces ten exciting cases, each one drawing players deep into the world of Sherlock Holmes. Among these cases includes two classic, long out-of-print expansions, now revised and updated. Whether you're playing solo or with up to eight possible players, you'll need your wits about you to solve the cases and beat Holmes himself!

Carlton House
The streets of London will no longer be the only scene of your investigations. Enter the famous mansion and try to solve five mysterious cases. ​

The twisted trail & the devil's ransom
Tortuous interlude outside Carlton House challenge​ your detective skills!

Queen's Park
Three days of investigation await you in the green setting of the famous park of London. These cases will give the most experienced players hard time.

Carlton's House & Queen's Park is a standalone game. Solve the other mysteries in the collection in ,  and . For a mystery set in the Cthulhu Mythos, check out .