In 'Hello, Who's There?', players assume the role of a phone technician in a near-future city where people communicate via advanced voice modulation. After receiving a mysterious call from a disembodied voice claiming to be your childhood friend, you unlock a tangled web of memories, betrayals, and hidden truths. Navigate through branching narratives as you decipher who this voice really is while solving puzzles related to forgotten friendships and the dark underbelly of technological advancements. Your choices determine the fate of not just yourself but the city, as the line between friend and foe blurs.