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About The Testament of Sherlock Holmes
The Testament of Sherlock Holmes puts you in the shoes of the famed detective as he tackles a dark case set in 1898 London. The game blends classic adventure investigation with a richly detailed Victorian setting.
Players examine crime scenes, gather clues, interrogate suspects, and follow leads across a story full of twists. The experience is single‑player and includes Steam achievements, trading cards, and partial controller support.
01 / THE GUIDE
Investigation Gameplay
The core loop centers on examining crime scenes and finding clues, mirroring classic detective work. Players also interrogate suspects to uncover hidden information.
Clue collection and suspect questioning drive the narrative forward, allowing players to piece together the mystery step by step.
- Take notes on each clue to track connections.
- Compare suspect statements for inconsistencies.
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Story and Setting
Set in a faithfully reproduced 1898 London, the story follows Holmes through theft, fraud, and double‑crossing. The narrative promises a descent into a thrilling, dark investigation.
The plot is described as breath‑taking with twists, emphasizing Holmes’ darker side and a grand adventure across the city.
- Pay attention to period details for immersion.
- Notice how the story’s twists affect clue relevance.

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London Exploration
Players explore richly detailed locations throughout London, uncovering new leads as they move between scenes. The environment is designed to support the investigative narrative.
Each area offers visual cues that can hint at hidden evidence, encouraging thorough exploration.
- Survey each location before moving on.
- Look for objects that seem out of place.
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Single‑Player Experience
The game is built for a single‑player audience, allowing uninterrupted focus on Holmes’ investigation. No multiplayer elements are mentioned.
All progress, achievements, and story outcomes are tied to the individual player’s actions.
- Save regularly to preserve investigation progress.
- Use Steam achievements as milestones.
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Platform and Support Features
Available on Windows, the title includes Steam Cloud, family sharing, and partial controller support. These features enhance accessibility without altering core gameplay.
Steam Trading Cards and Achievements are also supported, adding optional collection goals.
- Enable Steam Cloud to keep saves across installations.
- Try controller support if preferred.





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