Nintendo is adding a few new features to Super Mario Maker, including key doors, a “super expert” mode for the 100 Mario challenge, and new ranking categories for the bookmark website. The key stuff is big; the keys can be hidden inside enemies, essentially creating boss battles.

Nintendo unexpectedly took down the servers for Super Mario Maker yesterday, but they’re back online, ahead of schedule. The game was being worked on due to an “emergency” glitch found in the creation tool, though Nintendo hasn’t produced details.

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