Air Delivery - Complete Walkthrough [Extended]

In this video, I play through the Pico-8 game Air Delivery walkthrough finding all 9 letters, delivering to all of the recipients, finding the secret message inside the cave, and finding the hot air balloon to leave after the delivery mail nearby the island.
If you would like to play the game, visit pianoman373.itch.io/air-delivery
pianoman373 (C) Air Delivery