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