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Loading the Wii U Menu with Cemu

This is useful in case you are creating themes and want to quickly test your changes without having to turn on your Wii U.

What you need

Guide

  1. Open Dumpling.
  2. Select Dump whole MLC (everything stored on internal Storage).

    Dumping the MLC can take 6-20 hours depending on it's contents!

    Make sure you have enough space available.

    • At least 8GB for a basic white Wii U.
    • At least 32GB for a premium pack Wii U (Black Wii U or some White JP ones).
  3. Select Proceed.

  4. Select your Dump Destination.
  5. Select Confirm.

    • This will take a while.
  6. After it's finished, close dumpling and copy the MLC Dump folder to your device.

Loading the Wii U Menu on Cemu

  1. Open Cemu.

    • If you are starting Cemu for the first time, click next, then close.
  2. Go to Options > General Settings.

  3. In Custom MLC Path click Change and select your MLC Dump folder.
  4. After confirming, Cemu will restart.
  5. Open Cemu, and start the Wii U Menu title.

The Wii U menu should boot on Cemu!

Modifying the Wii U Menu

  1. Click File > Open Cemu Folder.
  2. Go to graphicPacks.
  3. Create the following folders in graphicPacks:

    • WiiUMenu\[ThemeName]\content\Common\Package.
      • Place your Men.pack and Men2.pack here.
    • WiiUMenu\[ThemeName]\content\Common\Sound\Men.
      • Place your cafe_barista_men.bfsar here.

    Rename [ThemeName] to the name of your theme.

  4. Go to WiiUMenu\[ThemeName], create a rules.txt file and paste the following:

    rules.txt
    [Definition]
    titleIds = 0005001010040100,0005001010040200,0005001010040000
    name = Custom Theme
    path = "Wii U Menu/Mods/Custom Theme"
    description = Loads a Custom Wii U Menu Theme
    
  5. Restart Cemu.

  6. Right Click the Wii U Menu Title > Edit Graphic Packs.
  7. Enable your Custom Theme in Wii U Menu > Mods > Custom Themes.
  8. Start the Wii U Menu title.

You are now ready to test Themes on Cemu

Cemu Innacuracies

Cemu has some innacuracies that make it not match 1:1 with the behaviour of a real console, some of these include.

  • Music not looping properly on emulator.
  • Graphics breaking.
  • Emulator not crashing when the console does.

So make sure to test on real hardware from time to time.