Wii: U Roms

can "dump" their physical discs into digital formats to play directly from an SD card or external hard drive, protecting their original discs from wear. Technical Implementation

These are raw disc images. A WUD file is a standard uncompressed dump, often reaching 25GB in size. A WUX file is the compressed version, designed to save disk space while remaining readable by certain tools. wii u roms

Some popular Wii U games that are often sought after as ROMs include: can "dump" their physical discs into digital formats