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