In 'Whose Shadow Is That?', players become a skilled shadow detective living in a surreal world where shadows can hold secrets, memories, and even personalities of their own. The player's goal is to uncover the mysterious identity of the shadows haunting the city. Explore vibrant environments, interact with quirky characters, and solve puzzles that twist perception and reality, while gradually piecing together a dark narrative that reveals the truth about a recent disappearance tied to a shadow thief. The story unfolds dynamically based on the player's dialogue choices and discoveries, resulting in multiple endings.