In 'Hello, Goodbye!', you play as an eccentric linguist named Lex Parker, who wakes up in a bustling city where everyone has lost the ability to communicate verbally. Instead, they rely on bizarre gestures and odd symbols that appear above their heads. Your mission is to unravel the mystery of a strange phenomenon that silenced the voices of the city while navigating a tangled web of secret societies, eccentric characters, and mind-boggling puzzles. Each interaction reveals clues and empowers you to restore communication, all while uncovering a larger plot involving the city’s government and an ancient artifact. Your choices shape the storyline, leading to multiple hilarious and dramatic endings.