Nintendo took the Wii U servers down today, bringing Super Mario Maker to an end.
But weeks ago, "Team 0%" ensured that every level that had ever been legitimately uploaded to Super Mario Maker had been cleared. (They also, very impressively, recently completed one level whose creator had only cleared it by TASing, which got a lot of undeserved attention.)
The video of the last real level to be cleared, aptly named The Last Dance, is incredible: