Here is the full list of all 28 Sherlock Holmes The Awakened achievements.
Stop the ritual.
Collect all achievements.
Learn about the lighthouse keeper.
Find all evidence at the cliffside crime scene.
Complete Chapter Seven.
Leave Barnes the book.
Complete Chapter Six.
Identify all the unknown substances.
Reach the island.
Feed yourself to a gator.
Complete Chapter Five.
Unlock the safe.
Find the raccoon nest.
Help quench the horse's thirst.
Complete Chapter Four.
Pretend to be Barnaby.
Find out more about the auction.
Complete Chapter Three.
Make it look back at you.
Learn more about Gygax.
Pick every lock.
Find the book about tulpas.
Find out how the intruder got into the warehouse.
Complete Chapter Two.
Rouse evil from its slumber.
Learn about the missing Nepali brother.
Complete Chapter One.
Help Barnes with his love life.