In 'Hello, Who's There?', players assume the role of Alex, an aspiring detective plagued by the absurdity of life. One day, Alex stumbles upon a mysterious phone booth in the middle of a bustling city, which unexpectedly starts taking calls from characters in a bizarre alternate reality. Each call offers quirky, unpredictable scenarios requiring clever dialogue choices that affect the outcome of a ludicrous mystery that intertwines the lives of the callers. Solve these wacky dilemmas through humor and wit, all while uncovering the connecting thread that leads to a grand finale of unexpected revelations and ultimate hilarity.