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