Also available on Wii U and Nintendo 3DS.
The amiibo-exclusive Pixel Toad challenges in the Wii U version are available without amiibo in the 3DS and Switch versions.
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Bowser - Wedding Outfit
Super Mario series
Mario - Wedding Outfit
Peach - Wedding Outfit
Toad Power-Up Band
Super Nintendo World series
This feature works with any amiibo (with the possible exception of those that work with its other features).