In 'Whose Shadow is That?', players assume the role of a shadow detective in a vibrant, surreal world where shadows can come to life. The game begins as the protagonist discovers a strange shadow haunting them, leading them on a journey to uncover the hidden secrets of this bizarre universe. Players must navigate through whimsical settings, engage with eccentric characters, and piece together clues to reveal the identity of the shadow and its connection to their past. Every choice impacts the story, leading to multiple endings that explore themes of identity, perception, and the unseen.