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