Since Kirby Super Star Ultra is a DS title, there are no official QR codes that unlock copy abilities or bonus modes within the cartridge itself. However, users playing on a often use QR codes for external functions:
If you are tech-savvy, you aren't limited to old databases. Using a save editor (like KSSU Save Tool on GitHub) and a DS ROM dumper, you can actually generate QR codes for treasures you have legitimately earned to share with friends. kirby super star ultra qr code
If you want to 100% the game using only QR codes today, here is your battle plan: modded Nintendo 3DS Since Kirby Super Star Ultra
However, there is a very important distinction to make regarding this specific game and the Nintendo DS system: Modern Implications of QR Codes in Games If
