Here is the full list of all 28 Sherlock Holmes The Awakened achievements.
Stop the ritual.
Learn about the lighthouse keeper.
Complete Chapter Seven.
Find all evidence at the cliffside crime scene.
Identify all the unknown substances.
Complete Chapter Six.
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.
Complete Chapter Two.
Complete Chapter One.
Learn about the missing Nepali brother.
Help Barnes with his love life.
Find out how the intruder got into the warehouse.
Rouse evil from its slumber.
Leave Barnes the book.
Collect all achievements.