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