Sherlock Holmes Chapter One - M for Mystery
Mycroft's agents were outsmarted, and confidential documents have been stolen. You are tasked with locating a shadowy figure known only as M. It appears there is a worthy opponent at large on Cordona.
Offers
What are keyshops?Base game (1)
This is the base game required to play this DLC. Other expansions may also be required.
Editions (1)
Multipacks (3)
DLCs (11)
Sherlock Holmes Series (9)
Other games from the same series.
About Sherlock Holmes Chapter One - M for Mystery
This DLC includes the following items:
- 'M For Mystery' Quest Line
- The Clockwork Extortion
- The Bridge Agent
- Child of Cordona
- Mysterious Detective Outfit
- Plague Doctor Jon
- Ice Cream Jon
The quest line will start automatically after the first main case (Ghosts of the Past) and combat tutorial have been completed.
Game details
Game details
Age ratings
Game modes
Languages
Audio & text: English
Text only: French, Italian, German, Spanish - Spain, Arabic, Czech, Japanese, Korean, Polish, Portuguese - Brazil, Russian, Simplified Chinese, Traditional Chinese, Turkish, Ukrainian
Sherlock Holmes Chapter One - M for Mystery price history
Lowest tracked price: €3.49 (Jul 7, 2026) · current best: €9.99.
Sherlock Holmes Chapter One - M for Mystery player count & reviews
71% positive reviews all-time · 0 peak players in the last 30 days.
Sherlock Holmes Chapter One - M for Mystery — frequently asked questions
Where can I buy Sherlock Holmes Chapter One - M for Mystery at the cheapest price?
Right now the cheapest offer for Sherlock Holmes Chapter One - M for Mystery is €9.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
What is the lowest price Sherlock Holmes Chapter One - M for Mystery has ever been?
The lowest price KingsPrice has tracked for Sherlock Holmes Chapter One - M for Mystery is €3.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
How many people play Sherlock Holmes Chapter One - M for Mystery?
Sherlock Holmes Chapter One - M for Mystery peaked at 0 concurrent players on Steam in the last 30 days (highest on Jul 9, 2026). The player chart on this page updates daily.
How can I get Sherlock Holmes Chapter One - M for Mystery at a discount?
Create a free price alert on this page and KingsPrice will email you when Sherlock Holmes Chapter One - M for Mystery drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
System requirements
Minimum
- Requires a 64-bit processor and operating system
- OS: Windows 10 64bit
- Processor: Intel Core i5-6600 or AMD Ryzen 5 2600
- Memory: 12 GB RAM
- Graphics: Nvidia GeForce GTX 960, 4 GB or AMD Radeon R9 380, 4 GB
- DirectX: Version 11
- Storage: 10 MB available space
Recommended
- Requires a 64-bit processor and operating system
- OS: Windows 10 64bit
- Processor: Intel Core i5-8400 or AMD Ryzen 5 3600
- Memory: 12 GB RAM
- Graphics: Nvidia GeForce GTX 1070, 8 GB or AMD Radeon RX 5600 XT
- DirectX: Version 11
- Storage: 10 MB available space