New Super Mario Bros. U Deluxe on Switch: A Basic Port or Something Better?

It's the complete package - a superb game boosted to 1080p on Switch. Plenty of visual changes make the cut, but there is perhaps a hankering to see more from future Wii U conversions.

UPDATE [9/10/19]: the 13GB Wii U file size mystery is solved. The understanding is that extra videos are stored on the U + Luigi game disc, and digitally too. Meanwhile Switch avoids taking up so much space by simply offering an option to stream them - making 2.5GB possible for a cartridge.

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