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.
Complete all Cordona Stories.
Get justice for Fabio.
Lift the curtain on bohemian life.
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.
Refurbish the entire manor.
Open the cabinet of curiosities.
Punch first, ask questions later.
Always advocate for the refugees.
Spare the landlady's feelings.
Investigate the third accident.
Disappoint Mycroft.
Find the book.
Fight in all of the bandit lairs.
Hold an eel by the tail.
Refuse to help Mycroft.
Talk to Dilwyn in his hat.
Open Violet's room.
Save Goliath's life.
Uncover all of the treasures.
Acquire Sherlock's famous violin.
Arrest twenty-five enemies.
Disorient ten enemies with the snuffbox.
Let an old man have his retirement.
Solve all the cases for the police.
Arrest ten enemies.
Find all the books in the Bazookaeology trilogy.
Open Sherlock's room.
Prank Mrs. Nini.
Solve the first case on Cordona.
Eavesdrop on your first piece of gossip.