No idea but I just saw it's still is the most wished for game on amazon.com. This is good news.
I just checked out the eShop and under Wii U downloads -> All Time, it's already passed Hyrule Warriors and is at #17. Considering the time Hyrule's had to sell (including a holiday), that's pretty danged impressive. That's in just barely over a week. This is for the U.S...
A while back someone posted a screenshot of it at +13.5
I assume it can go as high as it needs to
Yeah they stop naming the streaks & adding flag icons around 9.0.
I can't believe how many people got to Lvl. 20 so quickly. I've been playing the snot out of the game after work and just reached 19. And I've been doing fairly well each match, 800pts-1300pts depending on if it's a win or loss.