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