Let me tell you about my day:
First I flew due west, to an island where I delivered two letters to the guy who runs the barrel-shooting minigame. Then I flew southeast, to a mostly-circular island where I delivered two more letters. I flew west again, all the way to the edge of the navigable ocean, to an island where I delivered five letters. Then I flew northeast, to an island where some guys in jumpsuits were turning a big wooden wheel. I had five letters for them. I flew further northeast to an island shaped like a delicious pastry, where I delivered three letters. Then I flew southeast, back to the office, where there were six letters waiting for me. Then I realized there was something else the wind had been carrying all day long...
Answer Checker:
Hints: The word "minigame" means that we're talking about a particular video game. The game in question has the word "wind" in the title. It's The Legend of Zelda: The Wind Waker. It's not too hard to solve this puzzle even if you've never played the game, if you're willing to do a little research. Here's a good place to start. After you identify each of the islands, use the number of letters delivered as an index into each name (so, take second letter of the first island, the second letter of the second island...