Here is the full list of all 39 Sherlock Holmes Chapter One achievements.
Get every achievement.
Remember everything.
Complete all Cordona Stories.
Investigate the third accident.
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.
Interrogate every suspect in the safe murder as a police officer.
Talk to The Pipe in the correct disguise.
Refurbish the entire manor.
Open the cabinet of curiosities.
Always advocate for the refugees.
Punch first, ask questions later.
Spare the landlady's feelings.
Talk to Dilwyn in his hat.
Find the book.
Hold an eel by the tail.
Disappoint Mycroft.
Refuse to help Mycroft.
Open Violet's room.
Save Goliath's life.
Acquire Sherlock's famous violin.
Find all the books in the Bazookaeology trilogy.
Open Sherlock's room.
Kill fifteen enemies.
Kill five enemies.
Fight in all of the bandit lairs.
Let an old man have his retirement.
Uncover all of the treasures.
Arrest twenty-five enemies.
Arrest ten enemies.
Disorient ten enemies with the snuffbox.
Solve all the cases for the police.
Prank Mrs. Nini.
Solve the first case on Cordona.
Eavesdrop on your first piece of gossip.
Try to take the easy way out.