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