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