In 'Billboard Shadows', you are a witty, modern-day private investigator in New York City, tasked with uncovering the truth behind a hidden building that has been obscured by massive billboards for over a century. As you navigate the bustling streets, you uncover clues from the past and encounter quirky characters, each with their own secrets regarding the building. With each decision you make, the narrative shifts around you—puzzle your way through cryptic messages, engage in hilarious banter, and piece together the building's mysterious history in this interactive tale full of drama, intrigue, and a pinch of humor.