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