Buy Sherlock Holmes: Chapter One M for Mystery PC key
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About Sherlock Holmes: Chapter One M for Mystery
Sherlock Holmes: Chapter One M for Mystery adds a quest line in which you track down M, a shadowy figure who outsmarted Mycroft's agents and stole confidential documents. The investigation takes place on Cordona, where M appears to be a worthy opponent.
Included content
- M For Mystery quest line: locate the figure known as M.
- The Clockwork Extortion
- The Bridge Agent
- Child of Cordona
- Mysterious Detective outfit
- Plague Doctor Jon
- Ice Cream Jon
The quest line starts automatically after you complete the first main case, Ghosts of the Past, and the combat tutorial.
Frequently asked questions
The best price for Sherlock Holmes: Chapter One M for Mystery is $9.99 at Steam. It is the only shop with an offer that activates in your country.
No. Sherlock Holmes: Chapter One M for Mystery is DLC and only works with Sherlock Holmes: Chapter One.
The minimum requirements for Sherlock Holmes: Chapter One are: Windows 10, GeForce GTX 960, Intel Core i5-6600, 12 GB RAM, 28 GB storage. It runs on Windows only. The recommended specs are in the System requirements section.
No. Sherlock Holmes: Chapter One is a single-player game.
No. Valve rates Sherlock Holmes: Chapter One as Unsupported on the Steam Deck.
Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.
Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.













