To clarify a common misconception, New Super Mario Bros. U was originally released for the and later ported to the Nintendo Switch never released for the original Nintendo Wii
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One of the unique selling points of New Super Mario Bros. U was "Boost Mode," where a second player could use the Wii U GamePad (or touchscreen in emulation) to create blocks and stun enemies to help the main player. new super mario bros u wii roms for wii link