If you are looking for a way to have the game appear on your Wii menu like a .wad file would, enthusiasts often use a . This is a small file that creates a shortcut channel on your home screen which "points" to the actual game file on your USB drive or SD card. Game Highlights
Creating a WAD for a mod is similar to creating one for the base game, but you would use the modded ISO or WBFS file as the source. Tools like Crap can create forwarders for these modded games as well. A unique, and unintentional, moment of recognition for the modding scene occurred when Nintendo's Super Nintendo World theme park used a cactus prop that bore a striking resemblance to one from the "Newer" mod. New Super Mario Bros Wii Wad File