New Super Mario Bros U Wii Roms For Wii- -
Introduction
Clarifying the Console Confusion: Wii vs. Wii U
The legality of using ROMs is a gray area. While it's not illegal to create or possess ROMs for personal use, downloading ROMs from the internet can be considered copyright infringement. Game developers and publishers own the rights to their games, and distributing or downloading ROMs without permission is a breach of those rights.