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