Strictly speaking, the Cemu emulator cannot "play" encrypted WUP files directly. It requires games to be in a format.
If you are a Wii U owner looking to expand your library or backed-up your game discs, you have likely encountered the term or "WUP files." As of 2026, the Wii U homebrew scene is incredibly mature, making it easier than ever to run these files. wii u wup roms work
: Only use trusted sources for WUP files. Malicious or corrupted homebrew can potentially "brick" (permanently disable) your console if installed incorrectly to the system NAND. Strictly speaking, the Cemu emulator cannot "play" encrypted
WUP files are the native package format used by the Wii U to install games, updates, and DLC directly to the system's internal storage or an external hard drive. Unlike standard emulator ROMs (like .rpx or .wud ), WUP files are essentially "installers" that make the console treat the content as if it were officially purchased from the eShop. How WUP ROMs Work : Only use trusted sources for WUP files
To get these files running, you need a modded Wii U (typically using Aroma or Tiramisu CFW ) and a specific installation workflow: