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