In 'Hello, Who's There?', players step into the shoes of Alex, an unremarkable office worker whose life takes a sinister turn when they receive a mysterious phone call that disrupts their nightly routine. As the call progresses, Alex discovers a web of dark secrets about their co-workers that leads to a series of chilling events. The player must unravel the truth behind the call and survive the escalating terror, making choices that affect the outcome of the game. Will they uncover the identity behind the chilling voice, or will they become the next target?