But now there is one big difference to the latest update. It's a rework that allows a single player to beat the game by themselves, something that previously was only available during co-op. Nintendo is running this free promotion through the next few days in North America, so grab it and get going.
Nintendo is in the midst of a serious upheaval on the back of the flagging Wii U and resistance to move any of their games to mobile. For more info on Nintendo's woes, check out the links below.