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