Whose Hello?

Step into the shoes of Alex, a quirky postal detective in a world where every letter holds a secret. After receiving a mysterious postcard signed only with a 'Hello,' you embark on a thrilling journey through the eccentric world of mail carriers, cryptic clues, and bizarre delivery challenges. As you interact with a colorful cast of characters, solve bizarre puzzles, and unearth hidden messages, you realize the hello itself holds the key to a larger conspiracy. Will you successfully unravel the truth behind the greeting, or will the mystery remain forever sealed in the envelope?