In 'Whose Shadow is That?', you step into the shoes of a third-rate private investigator in a bustling retro-futuristic city. One night, while attempting to solve a mundane missing cat case, you stumble upon a conspiracy involving sentient shadows manipulating the city's inhabitants. Navigate through a web of deceit, quirky characters, and bizarre shadowy figures, all while piecing together clues that lead to a shocking revelation about the nature of reality itself. Your choices dynamically shape the city’s attitude towards you, as well as the outcome of the investigation, leading to multiple endings.