| Format | Description | |--------|-------------| | | Folder with .app , .tmd , .cert , .tik – ready to install via USB. | | Loadiine (extracted) | Unencrypted files/folders (code/, content/, meta/) – for CEMU or old Loadiine. | | RPX/RPL | Main executable (inside Loadiine or extracted WUP). | | WUA (Wii U Archive) | Single compressed file – used by CEMU (not native Wii U). |
The refers to a collection of games, updates, and DLC packaged in the Nintendo Update Partition (WUP) format, which is the native installable format for the Wii U console. As the official Nintendo eShop has closed, these archives have become essential for preserving digital libraries and allowing users to install content onto their original hardware. Understanding WUP and Related Formats
Hosts extensive collections of official Wii-on-Wii U injects and standard library WUPs. wii u wup archive
sd:/ └── install/ └── Super Mario 3D World [AMAP01]/ ├── 00000000.app ├── 00000001.app ├── 00000002.app ├── ... ├── title.tmd ├── title.tik ├── title.cert └── (sometimes .h3 files)
Nintendo games are encrypted. To install a game, the Wii U needs to know the specific "Title Key" for that game. | Format | Description | |--------|-------------| | |
WUP files are not single files but folders containing a specific set of encrypted assets that the Wii U can recognize and install.
You cannot proceed without the following: | | WUA (Wii U Archive) | Single
It is best practice to name the main folder exactly as the Title ID of the game. The Title ID is a 16-character string (e.g., 0005000010144F00 ).
If you want a step-by-step for a specific use case (e.g., “install a WUP to USB on Wii U” or “convert WUP to CEMU”), let me know.
This guide covers everything you need to know about , focusing on how to handle them safely, convert them to playable formats, and install them on your Wii U console.
Use or CEMU ’s built-in tool (Tools → Convert to WUA).