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.

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

Super Mario 3D All-Stars Digital Download Codes Will Still Work After March 31

Super Mario 3D World

Super Mario 3D All-Stars

Super Mario 3D All-Stars Sold 5.21 Million Copies In Just 12 Days

Super Mario 3D All-Stars leaves Nintendo eShop on March 31st - News - Nintendo Official Site

Super Mario 3D Land - Wikipedia

According to Nintendo's website, more details on the 3D World port will be revealed soon. : r/NintendoSwitch

Super Mario 3D All-Stars retail codes will still be redeemable in the eShop after April

Super Mario Bros. - Wikipedia

Grab These Games Before Super Mario Dies On March 31