A raw, uncompressed dump of a physical disc. These are "untouched" but very large, often exactly 25GB regardless of the actual game size.
Decrypted files found inside NUS folders. An .rpx is the main executable file needed to launch a game. How to Use Wii U ROMs There are two primary ways to enjoy these digital backups: 1. Emulation on PC and Mobile wii u rom
A compressed version of a WUD file designed to save space by removing empty data. A raw, uncompressed dump of a physical disc