Here is the full list of all 39 Sherlock Holmes Chapter One achievements.
Uncover all of the treasures.
Complete all Cordona Stories.
Get every achievement.
Solve all the cases for the police.
Talk to Dilwyn in his hat.
Present accurate evidence in all accusations.
Fight in all of the bandit lairs.
Arrest twenty-five enemies.
Acquire Sherlock's famous violin.
Follow the rules of the Blind Duelling Club.
Interrogate every suspect in the safe murder as a police officer.
Disappoint Mycroft.
Disorient ten enemies with the snuffbox.
Try to take the easy way out.
Always advocate for the refugees.
Refurbish the entire manor.
Punch first, ask questions later.
Take pity on a poor girl.
Let an old man have his retirement.
Kill fifteen enemies.
Investigate the third accident.
Talk to The Pipe in the correct disguise.
Hold an eel by the tail.
Kill five enemies.
Find the book.
Remember everything.
Get justice for Fabio.
Lift the curtain on bohemian life.
Open the cabinet of curiosities.
Refuse to help Mycroft.
Spare the landlady's feelings.
Arrest ten enemies.
Open Violet's room.
Save Goliath's life.
Find all the books in the Bazookaeology trilogy.
Open Sherlock's room.
Prank Mrs. Nini.
Solve the first case on Cordona.
Eavesdrop on your first piece of gossip.