to avoid "Add-on Content Required" errors when trying to play online. Safety Warning
Furthermore, installing a ROM requires circumventing the Wii U’s copy protection, which violates the DMCA’s anti-circumvention provisions. While homebrew itself is legal, using it to play pirated games is not. Ethically, ROM installation deprives developers and publishers of revenue—though in the case of a decade-old title with no active digital storefront, the impact is minimal, but the principle remains. call of duty ghosts wii u rom install