Complete the indicated task to unlock the achievement.

Achievement	How to unlock
A brilliant mind	Use the globe to open the secret passage.
Attack the docks	Escape your fallen territory.
Beyond reality	Accept to read an unholy book.
Caught in the trap	Fall into Fuller's trap.
Companion in arms	Save Drake's life during the fight with the creature.
Complete revelation	Read all the books of unholy knowledge.
Detective Edward Pierce	Reach the level of Expert in a skill.
Detective historian	Piece together Margaret Wyckwood's memoirs.
Ex Oblivione	Fail a skill test.
Farewell	Refuse the ritual.
Fight destiny	Successfully carry out the counter ritual.
Fluent in R'lyehian	Choose all the replies in R'lyehian.
From Beyond	Banish the Dimensional Shambler.
Hippocratic Oath	Heal all the patients.
In the footsteps of Daniel Upton	Kill or spare Bradley.
Jack of all trades	Inspect 50 items.
John Raymond Legrasse	Find 20 hidden items.
Memory	Explore the memories of the Hawkins family.
More sober than Zadok Allen	Never drink.
Nameless Cults	Refuse to take part in the ritual.
No prohibition for Darkwater	Deliver liquor to the sailors.
Sandman	Make a deal with a crazed inmate.
Scholar of the unspeakable	Meet Algernon Drake and accept his help.
Shared guilt	Push Irene Sanders to the limit.
Strange secrets	Find occult items.
The Abomination of Darkwater	Kill 5 inhabitants who are being controlled.
The aficionado of horror	Meet Francis Sanders.
The amulet of the Ancients	Lay your hands on Algernon Drake's treasure.
The Beast in the Cave	Enter the beast's den.
The Book	Read the Necronomicon.
The Call of Cthulhu	Invoke Cthulhu!
The curse of Sarah	Find Sarah Hawkins.
The delusional investigator	Be the plaything of an hallucination.
The dreamlike investigation	Accept the revelations.
The Good Samaritan	Save Mitchell.
The most trivial object	Discover all the small blue bottles.
The Outsider	Banish the creature for good.
The pit of horror	Fall into the sacrificial pit.
The Rats in the Walls	Make the suspects talk by using a heavy hand.
The Sarah Hawkins case	Accept the Sarah Hawkins case.
The Secret Cave	Discover the mansion's secret passage.
The Shadow Out of Time	Discover all the murals of the disappeared tribe.
The Strange High House	Get driven to the Hawkins Mansion.
The Temple	Take part in the ritual in the caves.
The Terrible Old Man	Convince the caretaker to help you.
The Thing on the Doorstep	Banish the Dimensional Shambler using only one dagger.
The voice beyond the grave	Chat with a vision.
The White Ship	Learn the secret of the Scylla.
Voyage into history	Open the sailor's chest in the whaling station.