- Year: 1986
- Platform: DOS
- Publisher: Infocom, Inc.
- Developer: Infocom, Inc.
- Theme: Detective / Mystery
You are a famous young American detective who has been invited to Tresyllian Castle by your old friend Tamara Lynd. She is being haunted by the Tresyllian ghost, who seems intent on scaring her off. Can you solve the mystery of the castle?