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