Underline Arkhamend in the letter that Loath Nolder left.

Acquire the key to the door in the first dream.

Finish the first dream sequence.

Persuade Henry to sell the book.

Solve the recollections of the past book puzzle.

Find the stone building in the forest glade.

Solve the jigsaw puzzle in the old stone building.

Prepare the mixture for the dangerous insects.

Open the small trapdoor which holds the key to the underground galleries of the old stone building.

Find the protective suit.

Solve the disc puzzle in the elevator.

Summon Wolfgang Schneider from beyond

Find the Homunculus experiment.

Retrieve the whereabouts of the mansion named The Gate.

Enter the Mansion cellar.

Finish the childhood dream sequence in the Loried mansion.

Find the concealed compartment in the floor of Nathanael’s room.

Discover your father’s coffin in the tomb.

Speak with Loath Nolder.

Discover Henry's dead wife.

Retrieve the second part of the key, from the nursing home.

Retrieve the third part of the key, from grandma’s room.

Find the Dead Reporter Secret.

Find the book of Darkness Within 1 along with a Lovecraft book in the mansion.

Solve the steam puzzle in the elevator.

Use the last puzzle piece on the door beneath the well.

Choose the good ending.

Doom and Gloom

It is good to have enough flashlights.