| Achievement | How to unlock
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|---|
| A Mother's Arms | Open Violet's room.
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| Animal Advocate | Save Goliath's life.
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| Becoming Sherlock Holmes | Get every achievement.
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| Blood On Your Hands | Kill fifteen enemies.
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| Catch of the Day | Hold an eel by the tail.
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| Child's Play | Solve all the cases for the police.
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| Citizen's Arrest | Arrest ten enemies.
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| Closing a Chapter | Remember everything.
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| Curiouser and Curiouser | Open the cabinet of curiosities.
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| Curse Correction | Investigate the third accident.
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| Daredevil | Fight in all of the bandit lairs.
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| Diamond in the Rough | Solve the first case on Cordona.
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| Everyone's a Critic | Find all the books in the Bazookaeology trilogy.
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| Finger Slipped | Kill five enemies.
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| Friends in Low Places | Talk to The Pipe in the correct disguise.
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| Gold Digger | Uncover all of the treasures.
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| Guilty! | Present accurate evidence in all accusations.
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| His First Bow | Acquire Sherlock's famous violin.
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| Hocus-Pocus | Talk to Dilwyn in his hat.
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| Join The Club | Follow the rules of the Blind Duelling Club.
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| Lawful Neutral | Interrogate every suspect in the safe murder as a police officer.
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| Lore Almighty | Complete all Cordona Stories.
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| Mamma Mia! | Prank Mrs. Nini.
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| Not His Toy | Disappoint Mycroft.
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| Not Now | Refuse to help Mycroft.
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| Not Up To Snuff | Disorient ten enemies with the snuffbox.
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| Once Upon a Time | Open Sherlock's room.
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| Open Eyes | Take pity on a poor girl.
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| Perfect Gentleman | Spare the landlady's feelings.
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| Poor Sportsmanship | Try to take the easy way out.
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| Read It and Weep | Find the book.
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| Rumour Has It... | Lift the curtain on bohemian life.
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| Short Temper | Punch first, ask questions later.
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| Street Sweeper | Arrest twenty-five enemies.
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| The Tale of the Empty House | Refurbish the entire manor.
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| The Walls Have Ears | Eavesdrop on your first piece of gossip.
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| Vengeance of the Lamb | Get justice for Fabio.
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| Voice of the People | Always advocate for the refugees.
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| Well-Earned Rest | Let an old man have his retirement.
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