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.
Fight in all of the bandit lairs.
Kill fifteen enemies.
Investigate the third accident.
Complete all Cordona Stories.
Uncover all of the treasures.
Refurbish the entire manor.
Talk to Dilwyn in his hat.
Find the book.
Hold an eel by the tail.
Present accurate evidence in all accusations.
Disappoint Mycroft.
Take pity on a poor girl.
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.
Let an old man have his retirement.
Solve all the cases for the police.
Acquire Sherlock's famous violin.
Open the cabinet of curiosities.
Refuse to help Mycroft.
Always advocate for the refugees.
Punch first, ask questions later.
Kill five enemies.
Spare the landlady's feelings.
Open Violet's room.
Save Goliath's life.
Find all the books in the Bazookaeology trilogy.
Open Sherlock's room.
Arrest twenty-five enemies.
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.