In 'Who Said Hello?', players step into the shoes of a sardonic private investigator who specializes in unsolved greetings. The town of Chatterville has descended into chaos after a mysterious voice has been overheard repeatedly saying 'hello' at odd hours, leading to wild rumors and a divide amongst its quirky citizens. Players must navigate through a maze of dialogue options, quirky characters, and absurd mysteries while piecing together the identity of the elusive greeter. Uncover dark secrets, forge unlikely alliances, and solve the ultimate question of social politeness in an environment filled with laughs and drama. Players interact through text-based choices to explore different story paths and endings, focusing on dialogue as their primary tool for progress.