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