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