Whose Hellos Are These, Anyway?

In a world where every greeting holds a hidden meaning, you assume the role of Sam, a sardonic detective with an uncanny ability to glean secrets from mundane conversations. As you explore a chaotic urban landscape, strange messages appear in the hellos of passersby, leading you to uncover a web of conspiracies. Solve the riddles of these mysterious greetings and interact with a colorful cast of characters, each with their own agenda. Can you piece together the puzzle before the truth echoes back in an unexpected and dangerous way?