In 'Hello, Who Dis?', players assume the role of a snarky, anonymous detective who receives a series of mysterious phone calls from strangers claiming to be in dire situations. Players must navigate these bizarre scenarios by making choices that affect the outcome of each case. From a confused chef who accidentally summoned a ghost in his restaurant to a championship llama-wrestler facing off against a rogue alpaca, each call reveals eccentric characters and ludicrous situations. Each choice reveals deeper narratives intertwined with humor, leading to unexpected twists and a final dramatic reveal that challenges the detective's perception of reality.