Install the application:
1) Open the website in Safari
2) Click save
3) Add to home screen
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.wua Wii U Roms Instant

Already is. EmuDeck’s CEMU configuration fully supports .WUA files. Just drop them into the wiiu/roms folder. SteamOS treats .WUA like any other ROM.


Even a great format has hiccups. Here are the most common .WUA errors and fixes:

Error: "Failed to load WUA archive – missing base game" .wua wii u roms

Error: "Invalid key, cannot decrypt WUA"

Game runs, but DLC items are missing

Corrupted .WUA file


Step 1: Dump Your Game as an Encrypted WUD Use dumpling on your modded Wii U to dump your game disc or installed title to a USB drive or SD card. Select “Encrypted WUD” format. Already is

Step 2: Transfer the WUD to Your PC Copy the .wud file (and the separate .wux if compressed) to your PC’s hard drive. Also, copy any update folders (title directory) and DLC you own.

Step 3: Open CEMU and Use the Conversion Tool Even a great format has hiccups

  • Choose your compression level: LZ4 (fast) or Zstd (smaller file size, slightly slower compression).
  • Click Convert. CEMU will output a single .wua file.
  • Pro Tip: You can also convert extracted Loadiine RPX folders into .WUA using the same tool.


    This is the #1 selling point. One game = one file.