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