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