The Mario Maker courses from the 2015 Nintendo World Championships will be in the game.
Nintendo World Championship 2015
Nintendo World Championship 2015

 

Nintendo of America’s Twitter page reports that this was announced by Mr. Miyamoto & Mr. Tezuka themselves just a few hours ago (at 5:11pm). They said that the four Mario Maker courses seen during the 2015 Nintendo World Championship will be included in the game. This means the rest of us will be able to try out those courses for ourselves. While these courses are certainly a bit crazier than Mario’s standard levels, it is nice that those of us who weren’t contenders in the championship will be able to try our hands at them, too. Watch out though, there are a few dirty tricks hiding in these levels!

Nintendo has also posted a five and a half minute highlights video on their YouTube channel, showing some highlights of the final contenders taking on the aforementioned Mario Maker courses. Check it out:

 

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Michael Fontanini
Michael is a veteran gamer in his late 30s, who grew up around video games, with fond memories of the oldies like the NES, SNES, and N64 among others. He loves Nintendo, but also plays a lot of games on his PC. Michael also enjoys going for walks/bike rides, loves animals, and enjoys thunderstorms (and science in general). I love Nintendo but I also play a lot of game's on PC, many of which are on steam. My favorite Nintendo game's include Zelda, Metroid, and Smash Bros to name a few. On PC I love the Half-Life games, as well as most all of the Source Engine games just to name a few.