Mystery Case Files: 13th Skull Cheats and Tips

Put the glass against the door and move it around. At some positions you will hear a clear voice.

The answer is found on the deed printed out on the fax machine...it's either 1730 or 1732.

The gumbo has been automatically added to your inventory

You have to pick the birdcage first. There is a bird cage hang on the corner of the mansion beside the beehive, near the stairs to the attic. You can unfasten the birdcage's screw with a screwdriver that you find in the shed behind the mansion. After you got the birdcage, come see charlotte again. Don't have to speak to her, just click your bird cage and click again over the parrot.

You would generally put the metal detector in a dry, cool place to prevent overheating and melting or rusting.