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