In the Library, the door on the far right in the entrance hall, there is a book on the table. This book will give you clues to solving each of the puzzles.
First floor
From the start location, go through the door on the left into the dining room. Solve the Cake Puzzle then leave the Dining Room and go through the next door on the left into the kitchen. Solve the Tins Puzzle then go through the side door into a corridor and solve the Grate Puzzle then go through the Maze to a balcony overlooking the crypt. Solve the Crypt Puzzle and you automatically go down into the crypt. After witnessing the scene, enter the casket that opens to return to the kitchen. Go back into the foyer and solve the Spider Puzzle, enter the library to the far right. Go over to the telescope at the back of the room and solve the Telescope Puzzle then leave the library and go up the stairs
Second floor
Turn left and enter the first room on the left, solve the Bed Puzzle then leave the room and enter the room across the corridor to the Bishop Puzzle. Once this has been solved, leave the room and go back left to the top of the stairs. Continue along the passage and enter the left hand door. Solve the Heart Maze Puzzle then leave the room and go left into the games room, to solve the Queen Puzzle. Go left and continue along the passage to the door of the games room, then turn right and enter the bedroom in front of you. Solve the Card Puzzle then leave the room by the center door (the other two doors take you to other parts of the house that you have already visited). Go left back to the door into the bedroom where you played the Bishop Puzzle. Go through the door at the back of the room into the bathroom and solve the Knight Puzzle. Once you have done this, leave through the door and go right then enter the door on the left and solve the Coin Puzzle. Turn left and continue to the end of the passage and enter the toy room. Solve the Picture Puzzle on the table then go over to the dolls house at the left of the screen and go through the door in it. Solve the Blocks Puzzle in the chest of drawers, then return to the corridor, re-enter the room where you solved the coin puzzle and view the scene near the door on the right.
Go through the door into the altar room and solve the Floor Puzzle. View the scene at the altar, then go through the door on the right into the laboratory, view the two scenes there then go over to the microscope at the back of the room and play the Microscope Puzzle. After solving the puzzle, go through the gate back to the library, then go out through the door and enter the music room to the right. Watch the scenes, then solve the Piano Puzzle and go back out to the entrance. Look at the bottom of the stairs when facing them to transport into the art gallery. Turn around and solve the Painting Puzzle then turn right and go through the painting back into the music room. Click on the plant to go up to the bedroom upstairs then leave the room and go to the door facing you and solve the Knives Puzzle. Go through the door and up the stairs to the attic, solve the Windows Puzzle then go through the door at the back of the attic and watch the final scene to complete the game.