In 'Who Said Hello?', you play as a snarky AI-driven detective tasked with solving the ultimate mystery: an anonymous message containing only the words 'Hello!' that sends your zany world into chaos. Players navigate through a vibrant digital landscape populated by quirky characters, each with their own absurdist backstories, theories, and dramatic mischief. As you follow leads, decipher clues, and engage in humorous dialogue, you'll uncover an unlikely conspiracy that blends the everyday with the bizarre. Will you be able to identify the sender of the elusive greeting before the digital world descends into a comedic kerfuffle?