In 'Who Said Hello?', players step into the shoes of Alex, a quirky investigative journalist in a whimsical world where greetings are mysteriously stolen from the populace. As the town teeters on the edge of chaos, Alex must navigate through a series of eccentric locations, from the Laughing Library to the Diner of Dilemmas, all while unraveling clues and interrogating a cast of bizarre characters who may know more than they admit. Each choice shapes the story, leading to unexpected twists and a climactic showdown with a villain known only as The Silent One, who has a penchant for dramatic flair and knock-knock jokes.