| Achievement | How to unlock
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| Bookshelf Bonus | Find the Lovecraft book in the Worm’s feast.
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| Bug Killer | Prepare the mixture for the dangerous insects.
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| Bygone Days Telling Tales | Finish the first dream sequence.
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| Childhood Trauma | Finish the childhood dream sequence in the Loried mansion.
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| Cover Up | Find the protective suit.
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| Down in the Dumps | Enter the Mansion cellar.
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| Family Reunion | Discover your father’s coffin in the tomb.
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| Flashlight Collector | It is good to have enough flashlights.
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| Going Down | Solve the disc puzzle in the elevator.
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| Gotta hand it to you | Find Monkey’s Paw Secret.
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| Grim Discovery | Discover Henry's dead wife.
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| Hidden Room | Find the secret room in the underground galleries of the old stone building.
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| In Remembrance | Solve the recollections of the past book puzzle.
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| Into the Darkness | Solve the steam puzzle in the elevator.
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| Keen Mind | Underline Arkhamend in the letter that Loath Nolder left.
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| Keep Looking Down | Find the concealed compartment in the floor of Nathanael’s room.
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| Last leap into Unknown | Use the last puzzle piece on the door beneath the well.
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| Last Piece | Retrieve the third part of the key, from grandma’s room.
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| Lesser of Two Evils | Choose the good ending.
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| Long Awaited Reunion | Speak with Loath Nolder.
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| Lord of the Secrets | Find the book of Darkness Within 1 along with a Lovecraft book in the mansion.
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| Making a new friend | Find the Homunculus experiment.
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| Master Detective | Find a symbolic picture of the Zoetrope development team on the table.
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| Meadow Mystery | Find the stone building in the forest glade.
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| Necromancer | Summon Wolfgang Schneider from beyond
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| No Outsiders Here | Find the Dead Reporter Secret.
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| No Stone Unturned | Open the small trapdoor which holds the key to the underground galleries of the old stone building.
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| Pessimist | Doom and Gloom
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| Piece it Together | Solve the jigsaw puzzle in the old stone building.
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| Pull back the Vale | Retrieve the whereabouts of the mansion named The Gate.
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| Search high and low | Open the Secret Kitchen Room.
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| Second Piece | Retrieve the second part of the key, from the nursing home.
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| Seeker of the things that should not be | Find a metallic box with a copy of Necronomicon and a statue of Cthulhu.
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| Smooth Talker | Persuade Henry to sell the book.
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| Statuesque Secret | Unravel the Native Bust Secret.
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| Sweep the Floor | Find the attic trapdoor in the cottage.
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| Toys and Tools do mix | Combine elements to get a secret Ankh.
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| Unlock the Secrets Inside | Acquire the key to the door in the first dream.
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