In 'Hello, Who's Hello?', players step into the quirky shoes of Alex, a quirky phone technician who suddenly finds themselves intertwined in a bizarre, city-wide mystery involving a malfunctioning smart device that starts sending people cryptic messages. As Alex journeys through the vibrant urban landscape, they interact with eccentric characters, solve puzzles, and unravel the truth about the device's enigmatic origins and the cryptic phrase 'Who's Hello?' that seems to plague the citizens. Players must navigate humorous dialogues and absurd situations, all while managing time and resources to collect clues and piece together the truth behind the device — an adventure that’s equal parts laugh-out-loud and gasp-inducing.