Scattered throughout the world of Pikmin 3 are ten hidden memos which, when you discover each and every one of them, will reveal a secret code. Shigeru Miyamoto revealed their existence a few days ago on an announcement post on Miiverse, where he wrote:
 “Did you know that once you’ve collected ten of these Secret Memos, the numbers contained in them will combine to form a special code? I’ll be in touch again to explain how to use the code, so be sure to make a note of it once you have it!”
Well, thanks to the internet, or more precisely GameXplain, we now know what these Secret Memos are and how to find them. According to the video, they are contained in every level of the game, including Garden of Hope, Distant Tundra, Tropical Wilds, Twilight River, and Formidable Oak.
Watch the video below to discover all the Secret Memos.
It’s not yet known what these do or how to use them, but it’s a good idea to keep the codes in a safe place once you do find them and wait for Shigeru Miyamoto to drop another hint in the near future.