Super Smash Bros. Ultimate For Switch Might Be Adding Stage Builder Mode - GameSpot

Nintendo itself seems to have leaked a new mode for the popular Nintendo Switch fighting game.
Super Smash Bros heads to the Nintendo Switch making it one of the most anticipated games of the year.

Stage Creation/Idea Thread - I guess this is a Stage Builder

Super Smash Bros. Ultimate' adds free stage builder alongside DLC

Battle it out as Nintendo's greatest heroes Nintendo's greatest heroes are in the palm of your hand Take the fight with you, wherever you go

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Smash Bros. Ultimate's New Stage Builder And Video Editor

Super Smash Bros. Ultimate's stage builder unleashes the