In 'Whose Shadow is That?', you play as an amateur illumination scientist turned reluctant detective in a surreal city illuminated solely by shadows. Each day, you receive cryptic letters guiding you through the bizarre underbelly of the city where light deciphers truth and darkness hides secrets. Your mission is to unveil the identity of the enigmatic figure whose shadow looms over innocent citizens, causing paranoia to spread like wildfire. As you interact with oddball characters, unravel confounding puzzles, and navigate dramatic revelations, you must decide whom to trust and which shadows to follow while staying one step ahead of your own shadow's secrets.