The closest existing alternative: modified versions of New Super Mario Bros. Wii (NSMBW) that reskin levels, music, and graphics to resemble NSMBU. These are not ROMs of NSMBU but rather ROM hacks of the 2009 Wii game.

Platform: Nintendo Wii U Release Date: November 2012 (Launch Title) Genre: 2D Platformer

The practice of installing games onto a Wii or Wii U via USB loaders (like USB Loader GX or WiiFlow) is known as "ripping."

For years, the Homebrew community has championed this method for legitimate reasons: