In 'Unknown Greetings', you step into the shoes of a seemingly ordinary office worker who begins receiving mysterious messages on their phone from an unknown number. Each text reveals cryptic clues that lead you deeper into a conspiracy involving secret societies, urban legends, and forgotten histories hidden beneath the city's surface. Navigate through a web of deception by choosing how to respond to messages, meeting enigmatic informants, and uncovering your own past while racing against time. Every decision can either bring you closer to the truth or guide you down a path of danger and intrigue.