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