There are 49 in total (50 for the PS4 console version).
Each trophy contains a description of the activities required to get it.
Professor of Arkham University
How to unlock: Unlock all remaining achievements.
Description: This achievement is only available on PS4.
so you can unlock it, you have to complete the 49 remaining achievements.
Detective Edward Pierce
How to unlock: Achieve Expert status in any ability.
Description: Obtain Expert status in any ability of the protagonist.
John Reynold Legrasse
How to unlock: Find 20 hidden items.
Description: To get this trophy, it’s crucial that you find 20 hidden items in the game.
Jack of all trades
How to unlock: Examine 50 items.
Ex Oblivione
How to unlock: Fail a skill test.
for strength or eloquence) and hence influence another character.
The most trivial object
How to unlock: Find all blue small flasks.
Description: To get this trophy, it’s crucial that you find all the small blue Sleeping Pills.
A detailed description of this achievement can be found in a separate chapter of the guide.
Detective historian
How to unlock: Organize the memories of Margaret Wyckwood.
The Shadow Out of Time
How to unlock:Discover all of the Forgotten Tribe’s frescos.
Just continue along the path upwards and examine the frescos to the right.
The last fresco can be found in chapter 14, right before meeting the doctor.
After you explore these three locations, you will unlock the desired achievement.
Strange secrets
How to unlock: Find occult objects.
More sober than Zadok Allen
How to unlock: Don’t drink alcohol.
Description: The achievement is quite specific because it requires the player not to do something.
Beyond reality
How to unlock: Read an unholy book.
Description: Unholy books are objects that you could read in the game world.
Complete revelation
How to unlock: Read all unholy books in the game.
Description: Unholy books are objects that you’re free to read in the game world.
The Sarah Hawkins case
How to unlock: Take over the case of Sarah Hawkins.
The Delusional Investigator
How to unlock:Be the plaything of an hallucination.
Description:This achievement/trophy is related to one of the ways of entering the warehouse no.
36- this is part of the chapter 2.
Go to captain Fitzroy and speak with him.
Those people where blocking the access to this part of the town.
Now, activate the mechanism.
This will fire up the passage in the floor.
Go down the ladder and enter the gassed room.
Go through the flooded cave - your character gets pulled into water by a monster.
The achievement/trophy is unlocked after your character reaches the surface.
Keep moving towards the warehouse no.
The Strange High House
How to unlock: Get a drive to the Hawkins manor.
The Terrible Old Man
How to unlock: Convince the caretaker to help you.
This is an achievement related to the storyline and it cannot be omitted.
Memory
How to unlock: Examine the memories of the Hawkins family.
The Secret Cave
How to unlock: Discover the secret passage under the Hawkins manor.
For a detailed description, c’mon refer to chapter 3.
This is an achievement related to the storyline and it cannot be omitted.
The description of the puzzle can be found in a separate chapter of this guide.
Now you only need to confirm your choice to finish the puzzle and pop fire up mysterious passage.
For your actions you will receive aBrilliant mindachievement.
The pit of horror
How to unlock: Fall into the sacrificial pit.
The Temple
How to unlock: Take part in the rituals in the cave.
Description: This achievement can be achieved during the fourth chapter of the gameCall of Cthulhu.
You get the achievement/trophy after the ritual.
This is a story-related achievement/trophy - you’ve got the option to’t miss it.
The Sandman
How to unlock: Make a deal with the insane prisoner.
Description: This achievement can be achieved during the fifth chapter of the gameCall of Cthulhu.
Sleepy tablets can be found in the pharmacy (it is marked with a label “Pharmacy”).
Shared Guilt
How to unlock: Take Irene Sanders to the verge of sanity.
Description:You unlock this achievement after completing several activities.
Then when talking to the woman (chapter 6) tell her, he died in agony.
Finally, find and play the husband’s recording (mentioned in chapter 6 walkthrough).
From Beyond
How to unlock: Expel the Wanderer.
To unlock an achievement, you must signal it by punching the canvas with one of the daggers.
This achievement is story-related - it cannot be omitted.
The Thing on the Doorstep
How to unlock: Expel the Wanderer with one dagger.
Scholar of the Unspeakable
How to unlock: Meet Drake’s Algernon and accept his help offer.
The Book
How to unlock: Read the Necronomicon.
The White Ship
How to unlock:LearnScylla’s secrets.
Description: This achievement can be unlocked in chapter 8 when you reach Dr. Fuller’s office.
Turning one mast turns the rest as well, so you have to plan it properly.
The amulet of the Ancients
How to unlock:AcquireAlgernon Drake’s treasure.
Description: A story-relatedachievement, cannot be missed.
The dreamlike investigation
How to unlock:Accept the revelation.
This will unlock the described achievement.
No prohibition for Darkwater
How to unlock: Deliver the liquor to the sailors.
Description: you could unlock this achievement in chapter 2 ofCall of Cthulhu.
One of the roads leading to the warehouse will require to encourage two drunken sailors to help you.
You will need a liqueur for this purpose.
The Outsider
How to unlock: Vanquish the creature once and for all.
Description: This achievement is related to the story, it cannot be omitted.
You will receive it for defeating the Shambler during Chapter 11.
Companion in arms
How to unlock: Save Drake’s life when fighting the creature.
To prevent this - and unlock the achievement - you better shed a light from your lamp on it.
Attack the docks
How to unlock: Escape the area occupied by the enemies.
Description: A story-related achievement, cannot be missed.
The Good Samaritan
How to unlock: Save Mitchell.
Description: This achievement can be unlocked during the 12th chapter of Call of Cthulhu.
for get this achievement, deliver the med kit to Mitchell.
The Rats in the Walls
How to unlock: Use brutality to force suspects to speak.
Description: This achievement can be unlocked during chapter 11 when you play as the Cat.
Hippocratic Oath
How to unlock: Cure all patients.
Description: This achievement can be unlocked during chapter 8 when you control the nurse working at the hospital.
to unlock it, you should probably cure all patients.
This is pretty simple - go through blocks A and B and interact with each patient you find.
Finally, you have to get to the corridor where two fishermen wait for any information about their mother.
Voyage into history
How to unlock: Open a sailor’s chest at a whaling station.
Description: This achievement will be unlocked during the 13th chapter of the Call of Cthulhu.
Fluent in R’lyehian
How to unlock: Select all answers in R’lyehian.
Description: To unlock this achievement, you oughta select a total of 9 options with the R’lyehian answer.
These choices start from chapter 9, while returning with Sara Hawkins to her home.
Description: The trophy can be unlocked during the 12th chapter of the Call of Cthulhu.
Just shoot 5 residents to unlock this trophy.
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