| Achievement | How to unlock
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|---|
| Ace of Spades | Let the cards fall where they may.
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| Agent 221B | Become a shadow unseen.
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| At Gunpoint | Become prey, to trick the hunter.
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| Back Against the Wall | Experience a hearty welcome.
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| Breathe Easy | Breathe life into one in need.
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| Disaster Strikes | Finish The Case of the Chain Reaction.
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| Domesticity | Solve Mary Sutherland's Case.
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| Domino Effect | Reconstruct a deadly chain of events.
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| Exorcism 2.5 | Banish devilry.
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| Hermit's Lair | Locate the hideout.
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| It's All in the Stars | Let the stars lead you out of danger.
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| Lawn Bowls Champion | Win a tournament of local interest.
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| Life of a Consulting Detective | Collect all possible in-game achievements.
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| Lock, Stock, and Two Smoking Detectives | Finish Infamy Case.
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| Madame Destiny | Finish Fever Dreams Case.
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| Mechanical Art | Find a way inside a secret room.
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| On the Trail | Don't let the suspicious man out of your sight.
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| Phantasmagorical Journey | Escape the perils of your imagination.
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| Pump It Up | Find a way to control the water.
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| Tavern Tangle | Come to fisticuffs, but for good reason.
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| The Drawn Curtain | Complete the game.
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| The Golem Awakened | Finish A Study in Green Case.
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| The Greatest Test of All | Have the last dance with "Madame Destiny".
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| The Hunter Becomes the Prey | Finish Prey Tell Case.
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| Unwanted Attention | Deal with a gift from a secret admirer.
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