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