Mini Mario and Friends: amiibo Challenge is now released North America, through download codes only, from participating retailers. To get a download code, purchase any amiibo figure from Amazon, Best Buy, or GameStop. Should you do this, a code will be on your receipt. The code can be redeemed on the Nintendo eShop for either Nintendo 3DS (any system of the 3DS family) or Wii U. The game will be free to download from the Nintendo eShop on Thursday, April 28, 2016 for everyone.