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