In 'Who Said Hello?', you step into the mismatched shoes of a down-on-their-luck detective in a whimsical city where every citizen claims to have a bizarre secret. Your mission? Solve the mystery of a single word — 'Hello' — which has mysteriously vanished from all forms of communication in the town. As the eccentric inhabitants share exaggerated accounts of what they think happened, you must navigate through a series of humorous dialogues and outrageous scenarios to piece together the truth. Interact with quirky characters, participate in absurd mini-games, and unravel the secret behind this elusive greeting that might just reveal a deeper conspiracy lurking in the colorful chaos.