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.
Investigate the third accident.
Acquire Sherlock's famous violin.
Talk to Dilwyn in his hat.
Uncover all of the treasures.
Complete all Cordona Stories.
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.
Disappoint Mycroft.
Find the book.
Hold an eel by the tail.
Refurbish the entire manor.
Open the cabinet of curiosities.
Refuse to help Mycroft.
Always advocate for the refugees.
Punch first, ask questions later.
Spare the landlady's feelings.
Open Violet's room.
Save Goliath's life.
Find all the books in the Bazookaeology trilogy.
Let an old man have his retirement.
Solve all the cases for the police.
Kill fifteen enemies.
Fight in all of the bandit lairs.
Kill five enemies.
Open Sherlock's room.
Arrest twenty-five enemies.
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.