Introduction: 431 South Walnut Street has a bad reputation. One that no one knows about. Soon its history will come to fulmination when a previous tenant decides that he wants to move back in - at any cost. The Shaft is an adventure for Call of Cthulhu set in the 1920s and using the World of Darkness rules set. It is designed to bring together a new group of players in their first session and kick off a campaign. User comment: This adventure is available as a free download from Yog-sothoth.com and the designer's site.