Nintendo Confirms Download Codes for Super Mario 3D All-Stars Will Work After March 31

Nintendo has confirmed the retail download codes for Super Mario 3D All-Stars will still work after March 31, the day the game will be removed from the Nintendo Switch eShop.
The internet-dubbed The Day Mario Dies approaches.

Download Codes for Super Mario 3D All-Stars Will Still Work After March 31st!

Super Mario 3D All-Stars (Nintendo Switch) (European Version) : Video Games

Nintendo: Super Mario 3D All-Stars leaves Nintendo eShop on March 31st. : r/NintendoSwitch

Super Mario Bros.™ Wonder for Nintendo Switch - Nintendo Official Site

Mario 3D All-Stars download codes have disappeared from retailers too

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Download Codes for Super Mario 3D All-Stars Will Still Work After March 31st!