In a quirky world where voices take on physical forms, players assume the role of Ollie, a charismatic sound detective hired to solve the peculiar case of 'Whose Hello Is It Anyway?'. As Ollie, players traverse vivid environments and interact with whimsical characters, each claiming ownership of a distinct greeting. Players must solve puzzles by deciphering the nuances of various greetings and investigating their origins. The dialogue choices shape the narrative, revealing secrets behind the characters' greetings and leading to unexpected plot twists and humorous situations. Along the way, Ollie strives to keep his own voice unique in a world where impersonation is the highest form of flattery.