In 'Hello, Who's This?', players step into the shoes of a quirky private investigator, Charlie Blitz, who specializes in the most absurd cases involving misplaced greetings. After receiving a set of bizarre voicemail messages from unknown individuals claiming to be old friends, Charlie sets out on a comedic journey through a town full of eccentric characters. Each phone call leads to a quirky twist, allowing players to decide how to interact with these new 'friends' while piecing together an overarching mystery involving a long-lost greeting card factory and a secret society of overly friendly people. Engage in crazy dialogues, choose your responses, and navigate hilarious encounters as you determine whose hellos are worth pursuing and whose are better left unanswered.