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