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