In 'Hello, Who Dis?', players assume the role of a quirky detective named Casey Quirk, who finds themselves inexplicably VIP invited to fictitious phone calls with characters from bizarre alternate realities. Players dive into the world of telephonic mystery where they must decode an enigmatic series of calls, interact with offbeat personas, and solve outlandish cases, all while juggling witty banter and puzzling clues. The aim? Uncover the true identity of a mysterious caller who may or may not be plotting something sinister or just wants to gossip about their cat. The choices you make not only influence the case but alter the very fabric of these whimsical realities.