Here is the full list of all 28 Sherlock Holmes The Awakened achievements.
Stop the ritual.
Find all evidence at the cliffside crime scene.
Learn about the lighthouse keeper.
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.
Pretend to be Barnaby.
Complete Chapter Three.
Make it look back at you.
Pick every lock.
Learn more about Gygax.
Find the book about tulpas.
Learn about the missing Nepali brother.
Complete Chapter Two.
Complete Chapter One.
Help Barnes with his love life.
Find out how the intruder got into the warehouse.
Rouse evil from its slumber.
Find out more about the auction.
Leave Barnes the book.
Collect all achievements.